Welding Merit Badge: Requirements, Projects & Tips

A Scout stands in a borrowed shop for the first time, helmet in hand, and realizes the badge pamphlet asks for far more than just running a bead: joints, gas cylinders, fume safety, and inspection-quality welds. Whether you are the Scout, the parent driving to meetings, or the leader signing off a blue card, this guide walks you through every welding merit badge requirement in plain language.

What Is the Welding Merit Badge? A Quick Start Guide for Scouts and Parents

The helmet feels heavier than expected. A Scout stands in a borrowed shop for the first time, gloves half on, and flips open the merit badge pamphlet expecting a quick “run a bead and you’re done.” Instead there are pages about joint types, gas cylinder storage, fume exposure, polarity settings, and welds that have to pass inspection. That moment of mild panic is common, and it usually arrives right before the first real lesson.

The good news is that this badge is very learnable once you know what it actually is, who built it, and how the work is organized. Here is that foundation, up front, so you can plan the rest of the journey with confidence.

What the Badge Is and Who Created It

The Welding merit badge arrived in 2012, developed through a partnership between the Boy Scouts of America and the American Welding Society (AWS). AWS is the main professional body for welders in the United States, so the requirement list was written by people who hire, test, and certify welders for a living rather than by hobbyists guessing at what matters. You can read more about that professional world at AWS’s official site.

In practical terms, the partnership means the badge teaches the same vocabulary and fundamentals that show up in a real fabrication shop: the main arc processes, the four basic joints, safety practice, equipment setup, and weld quality you can judge with your eyes.

An Elective Badge, Not an Eagle Requirement

Welding is an elective merit badge. It is not on the Eagle-required list, but it counts toward the elective credits a Life Scout needs to reach Eagle. That makes it a smart pick for a Scout who likes tools, metal, or engineering and does not want to duplicate a badge already earned.

It also carries a heavier safety profile than most badges, which is why eligibility rules are stricter than Scouts expect.

Who May Earn It: Age and Rank Policies

• Minimum age. BSA safety policy requires Scouts pursuing welding-related merit badges to be at least 14 years old. Always confirm the current rule in the Guide to Safe Scouting before you register for anything.
• Rank expectation. Most councils expect a Scout to hold the First Class rank before starting welding-type badges. Your local merit badge counselor sets the final expectation, so ask early.
• Adult supervision. Sessions must be led by a registered, council-approved merit badge counselor, with the unit’s usual two-deep leadership policies in place.

What a Scout Needs Before the First Weld

Gear matters more than enthusiasm here. A checklist for session one:

• The current pamphlet. The merit badge pamphlet holds the requirement wording, and most counselors expect the Scout to have read it before session one.
• Paperwork. A signed blue card or a Scoutbook (digital advancement) record approved by the counselor, so every sign-off has somewhere to live.
• PPE. A welding helmet with a correct shade lens, safety glasses, flame-resistant jacket, welding gloves, and closed leather footwear. Still shopping? An Airgas welding equipment guide covers the basics a beginner needs to buy right the first time.
• A qualified counselor and a real workspace. Access to a school shop, community college lab, makerspace, or council facility with proper ventilation and fire protection.

How the Work Is Split: Books First, Then the Arc

The badge deliberately blends classroom knowledge with hands-on welding. A Scout explains processes, joints, hazards, and equipment settings out loud, then proves the understanding by setting up a machine and producing welds a counselor will accept. The knowledge work is not busywork; it is what keeps the hands-on half safe.

Expect the shop side to cover several processes. Stick and MIG are the usual entry points, and a curious Scout often ends up reading about aluminum MIG welding once the fundamentals click.

Realistic Time Expectation

Plan on roughly four to eight sessions. A Scout who has read the pamphlet and finishes written discussion before showing up can move quickly; a Scout starting cold usually needs the full range, plus extra practice bead time. Spread sessions across a few weeks so feedback lands between attempts instead of burning through all the practice in one afternoon.

With the basics clear, the next step is turning the pamphlet’s requirement list into a checklist you can actually work through.

Welding Merit Badge Requirements: The Full Checklist Explained

Open the welding merit badge pamphlet and the requirement list looks like a dense wall of numbered text. Read it a second time and a clear pattern shows up: the first half asks you to explain things out loud, and the second half asks you to do things with your hands. That split is the fastest way to stop feeling overwhelmed. Knock out the written knowledge before your first shop session, then book arc time, and every sign-off becomes a much smaller task.

You can find the official list on the BSA welding merit badge page and in the current merit badge pamphlet. Those two are the source of truth, not an old printout or a saved PDF from a previous year.

The Seven Requirement Clusters

Think of the badge as seven grouped buckets rather than a dozen scattered tasks:

1. Define welding and describe the common processes. You should be able to explain what welding is in plain language and describe how shielded metal arc (stick), gas metal arc (MIG), flux-cored, gas tungsten arc (TIG) and oxyfuel welding or cutting actually work, including which consumable each one uses.
2. Explain welding versus brazing and soldering. The distinguishing line is temperature and resulting joint strength: welding melts the base metal, brazing and soldering do not, and the filler melts at progressively lower temperatures. You will be asked to compare them, not just define them.
3. Describe the four common joints and compare processes. Butt, lap, tee and corner joints must be named and recognized, and you should be able to weigh the advantages and disadvantages of at least two processes for a given job, including where each shines in industry versus a hobby shop.
4. Cover safety, PPE and health hazards. This cluster includes protective equipment, arc radiation and burn risks, fume exposure, electric shock, and the habit of keeping your work area clean and safe. The Guide to Safe Scouting sets the overall expectations behind this requirement.
5. Handle compressed gas cylinders and a welding first-aid kit. You must demonstrate correct handling and storage of cylinders and name the contents of a welding first-aid kit, which is stocked differently from a standard troop kit.
6. Set up and adjust welding equipment correctly. This is the first fully hands-on cluster: choosing the process, setting polarity, dialing amperage or wire feed speed to material thickness, and setting gas flow.
7. Produce inspection-quality welds and identify metals. The final cluster combines weld quality with a metal identification exercise, since picking the right filler and settings depends on knowing what you are welding.

The Hands-On Products You Actually Have to Produce

Clusters six and seven produce visible evidence your counselor will inspect. Expect to complete at least:

• One inspection-quality fillet weld, judged on uniform width, consistent ripple, no porosity and no undercut.
• A completed lap joint or tee joint, tacked and welded with controlled heat so the plates stay flat.
• Long practice beads run in the flat position, plus beads in vertical or overhead position, where gravity changes your travel speed and puddle control. An all position welding rod guide helps you understand why some electrodes handle those changes and others do not.
• A metal identification exercise where you correctly identify several sample metals, which ties directly back to choosing filler and machine settings. An alloy steel welding electrodes guide shows how quickly filler selection changes once the base metal is identified.

Tracking Sign-Offs and Partials

Every requirement needs a signature from a registered merit badge counselor, recorded through your unit’s advancement record or blue card system. If you finish most of the badge but run out of time, the completed work stays on file as a partial until every remaining requirement is signed off, so nothing you did is wasted. Bring your pamphlet, your paperwork and a personal tracker to each meeting, and mark items off as they are approved rather than trusting memory. Safety-related requirements are never optional add-ons: they are checked and signed like everything else.

Work the list in this order, knowledge before arc time, and you will walk into the shop already halfway finished.

The Core Welding Processes: SMAW, GMAW, FCAW, GTAW and Oxyfuel

Almost every metal structure you meet was joined by one of five processes, and the welding merit badge keeps that list short so a Scout sees how each one makes heat and which controls the operator turns. OSHA groups these methods under its welding, cutting and brazing standard, the same rulebook professional shops follow. Learn these five and you can recognize almost any arc in a shop.

Shielded Metal Arc Welding (SMAW, or Stick)

SMAW uses a consumable electrode: a length of filler metal wrapped in a flux coating. As the arc melts the rod, the flux becomes a shielding gas that protects the puddle from oxygen and leaves a slag crust on the bead. With no gas cylinder or wire feeder, stick welding is the most portable process, which is why it dominates pipeline, structural steel, repair and farm work. Settings stay simple: choose a polarity (DCEP for most 7018 electrodes, DCEN or AC for many 6010 and 6011 rods), then set amperage by rod diameter and material thickness. Rod choice explained in Advantages of Stick Welding: Why SMAW Still Wins.

Gas Metal Arc Welding (GMAW, or MIG)

GMAW feeds thin bare wire from a spool through the gun, while shielding gas arrives from a cylinder through the same gun. The wire touches the work briefly, short-circuits, and melts off, which is why a constant-voltage machine holds a short arc so steadily that it is usually the easiest process for a beginner to learn. Three settings matter: wire feed speed (which sets amperage), voltage (which sets arc length and bead width), and gas flow, typically 20 to 25 CFH of argon-CO2 on steel. It is the workhorse of automotive fabrication, sheet metal and production welding, and handles nonferrous work too, covered in Aluminum MIG Welding: The Complete Practical Guide.

Flux Cored Arc Welding (FCAW)

FCAW looks like MIG from the operator’s side, but the wire is tubular and packed with flux. Self-shielded flux core needs no gas bottle at all, which makes it forgiving outdoors where wind wrecks a gas envelope. Gas-shielded flux core wires run hotter and deposit faster, so they are common in heavy structural and ship work. Trade-offs: more spatter, more slag to chip, and noticeably more fume, so ventilation matters. Where it fails on thin material is covered in Aluminum Flux Core Welding: What Actually Works in 2026.

Gas Tungsten Arc Welding (GTAW, or TIG)

GTAW uses a non-consumable tungsten electrode, inert argon shielding, and a separate filler rod held in the other hand. The electrode never enters the weld, so the arc stays precise and the bead can be beautiful. The catch is coordination: both hands plus a foot pedal controlling amperage are involved at once, making it the hardest process for a beginner. Settings are amperage matched to material thickness, with gas flow kept low and laminar. TIG appears in aerospace, food-grade stainless, bicycle frames and thin aluminum, explored in Aerospace TIG Welding: Standards, Techniques, and Training.

Oxyfuel Welding and Cutting

Oxyfuel needs no electricity. A torch mixes oxygen with a fuel gas such as acetylene or propane to make a flame that melts steel, brazes joints, or cuts plate when the oxygen is turned up. Scouts learn to set a neutral flame, read sooty or feathered conditions, and handle regulators and flashback arrestors. Common in repair, HVAC, artistic work and demolition, it pairs naturally with brazing. Torch fundamentals and brazing are covered in Air Acetylene Welding: Torch Basics, Brazing & Safety.

Process	Consumable	Main settings	Difficulty	Typical use
SMAW (stick)	Flux-coated electrode	Polarity, amperage	Moderate	Structural, pipe, repair
GMAW (MIG)	Bare wire + gas	Wire feed, voltage, gas flow	Easiest	Sheet, auto, fabrication
FCAW	Flux-cored wire	Wire feed, voltage, gas	Moderate	Heavy steel, outdoors
GTAW (TIG)	Tungsten + filler rod	Amperage, gas flow	Hardest	Aerospace, thin, stainless
Oxyfuel	Gas flame, filler rod	Flame setting, pressures	Moderate	Brazing, cutting, heating

Fusion Welding, Brazing and Soldering: Where the Line Sits

The badge asks Scouts to tell these apart; the dividing line is temperature. Fusion welding melts the base metal itself so it fuses, producing the strongest joints. Brazing and soldering instead use filler that melts below the base metal’s melting point, relying on surface wetting rather than fusion, so they produce weaker joints than fusion welding processes. Convention splits brazing from soldering at roughly 840 °F (450 °C): filler above that is brazing, below it is soldering, per American Welding Society terminology. Lower heat means less distortion and joins dissimilar metals, which is why brazing suits HVAC, jewelry and tube work.

The Four Basic Welding Joints and Positions Every Scout Must Master

Look at any welded structure, from a school bleacher frame to a trailer hitch, and you find the same small family of geometries repeated. The welding merit badge asks Scouts to learn four basic joint configurations: butt, lap, tee, and corner. Master those four and you can read nearly any weldment drawing put in front of you.

The Four Joints, Described Simply

Think of each joint as two pieces of metal meeting at a specific angle or overlap:

• Butt joint. Two pieces lie in the same plane with their edges facing each other, like two boards pushed end to end. You see it in pipeline girth welds, tank shells, and the long seams of a boat hull. Edges are often beveled so the weld can reach full thickness.
• Lap joint. One piece overlaps the other, and the weld runs along the edge where they meet. Thin sheet work, patch panels, and bracket-to-frame connections use it constantly.
• Tee joint. One piece meets another at a right angle forming the letter T, such as a stiffener plate welded to the flat face of a beam.
• Corner joint. Two pieces meet at their edges to form an L, common in box frames, enclosures, and angle-iron corners.

Complex projects are really just these four in combination. A fabricated steel column is a stack of butt, tee, and corner welds, which is exactly why the badge stops here rather than covering dozens of exotic joints.

Joint Versus Weld: Groove and Fillet

Scouts often mix these terms up, and counselors notice. The joint is the geometry where the pieces meet. The weld is the filler metal you actually deposit into that joint. Two basic weld types matter at this level:

• Groove weld: made in the prepared edge or gap between two pieces, filling from the root outward. Butt joints usually take groove welds.
• Fillet weld: a triangular weld placed in the corner where surfaces overlap or meet at right angles. Lap, tee, and corner joints usually take fillet welds.

The Four Welding Positions

Position is where the weld sits relative to your body while the metal stays put. The American Welding Society qualification system describes them as:

Position	Symbol	What it looks like	Relative difficulty
Flat	1G / 1F	Weld is on top; gravity helps the puddle sit still	Easiest
Horizontal	2G / 2F	Weld runs along a horizontal line on a vertical or flat surface	Moderate
Vertical	3G / 3F	Weld travels up or down a vertical seam	Hard
Overhead	4G / 4F	You weld from beneath, fighting gravity	Hardest

The G stands for groove and the F for fillet, so 1F and 1G are both flat, just with different weld types. The same welder must change travel speed, heat input, and technique in every position, because gravity keeps working whether you are ready for it or not. Flat welding lets puddle fluidity work for you; overhead demands a faster travel speed and slightly lower current so the molten metal does not sag onto your shoulders.

Vertical is where Scouts learn the biggest trade-off. Vertical-up is slower and gives deeper penetration, which is why it is the default for thick structural plate. Vertical-down is faster and common on thin sheet, where deep penetration would burn through. That is precisely why you practice both on coupons instead of mastering only one.

A good all-position welding rod guide helps here: electrode classification tells you in advance whether a consumable is designed to hold a puddle overhead or will simply drip.

Practical Setup Tips for Each Joint

• Butt: leave a root gap roughly equal to the electrode diameter so the first pass reaches the bottom edge; tack both ends first to hold alignment.
• Lap: use stitch tacking spaced along the overlap to fight warping, and watch the edge of the top plate for burn-through.
• Tee: hold a consistent work angle around 45 degrees into the corner and make sure both toes wet in.
• Corner: balance heat between the two pieces; the thinner edge will always want to melt first.
• Overhead (any joint): shorten the arc, use smaller beads, and angle the gun slightly upward to push the puddle where you want it.

Distortion is the enemy of lap and corner joints especially, so alternate weld sequences rather than running one long continuous pass end to end. The same heat-control logic applies in the field: on aluminum hulls, a builder managing distortion and joint prep carefully follows the methods outlined in aluminum boat welding techniques, where restraint and stitch sequences matter more than raw amperage.

Practice each joint at least twice, once flat and once in a harder position, and note the position and joint type each time on your requirement tracker. The official requirements live on the BSA welding merit badge page, and your counselor is looking for evidence you understand why a joint was chosen, not just a stack of finished coupons.

Safety, PPE and Health Hazards: The Part of the Badge That Matters Most

The first time an arc strikes, the light is unlike anything a Scout expects. It burns uncovered skin and unshielded eyes in a fraction of a second. That is why the official Welding merit badge requirements put safety ahead of hands-on work, and a counselor who takes the badge seriously will not hand a Scout an electrode until the PPE conversation is finished.

The PPE Checklist: On Before the Arc Strikes

Personal protective equipment for welding is a system, not a single item. Each piece covers a gap the others leave open.

Item	What it protects	What to look for
Welding helmet	Eyes and face from ultraviolet, infrared and spatter	Correct shade: stick commonly runs 10 to 14; TIG on thin material may use 8 to 10
Safety glasses under the helmet	Side impacts, grinding grit, stray sparks	Clear lenses with side shields; they stay on when the helmet lifts
Flame-resistant jacket and sleeves	Skin burns from UV, spatter and hot metal	Leather or treated cotton, buttoned at collar and cuffs; never synthetics that melt
Welding gloves	Hands from heat, spatter and sharp edges	Insulated, gauntlet-cuff gloves matched to the process
Hearing protection	Impact noise from grinders, chipping and compressed air	Plugs or muffs during noisy prep work
Leather boots	Feet from falling stock and molten spatter	Closed toe, high ankle, no exposed laces where sparks land

The Hazards: Radiation, Shock, Burns and Fume

The arc produces ultraviolet and infrared radiation that causes arc burn, the welding version of a sunburn on exposed skin, and flashburn, a painful inflammation of the cornea caused by looking at the arc without adequate shade. Electric shock is a real risk when a machine is on and a grounded workpiece is touched, especially with wet gloves or a damp floor. Burns stay near the top of the injury list because hot steel looks exactly like cold steel.

The longer-term hazard is breathing. NIOSH reports that welding fumes are composed of metals and usually contain a small percentage of manganese, and it recommends a respirable limit of 1 mg per cubic meter as a time-weighted average with a 3 mg per cubic meter short-term limit. For context, OSHA lists a 5 mg per cubic meter ceiling limit for manganese exposure, while ACGIH sets a much stricter threshold limit value of 0.02 mg per cubic meter for the respirable fraction. The gap between those numbers shows how the science on manganese has tightened, and why ventilation matters more than it did a generation ago.

Ventilation, Extraction and Extra-Caution Metals

In a well-run shop, fumes are pulled away at the source by a capture hood or downdraft table before they reach the welder’s breathing zone. Open doors and cross-ventilation are the minimum acceptable setup in a small room, not a substitute for extraction. A half-face respirator with the right cartridge is a sensible addition, but only if it is fit-tested: a respirator that leaks is worse than none because it creates false confidence.

Some materials deserve extra respect. Galvanized steel releases zinc oxide fume that produces metal fume fever, a flu-like reaction, and stainless steel fume carries chromium and nickel compounds. Aluminum prep adds its own dust concerns, which is one reason proper aluminum cleaner and surface prep is taught before any arc work begins. Low-alloy and specialty electrodes such as those covered in alloy steel welding electrodes can produce fumes that are no simpler to breathe, so material choice is a safety decision, not just a strength decision.

Welding in confined spaces significantly increases manganese exposure, which is exactly why confined-space welding is never part of a merit badge activity. No Scout, no counselor, no exceptions. The Guide to Safe Scouting makes that boundary clear.

The Shop Safety Oath

Four rules close out the safety requirement, and a good unit posts them on the wall:

• No welding alone. A second person must be able to hit the disconnect or call for help.
• No closed spaces. Tanks, pits and cramped enclosures are off the table for Scouts.
• Clean work area. Paper, rags and solvent cans stay away from the arc.
• Charged fire extinguisher within reach, checked before the arc rather than after the smoke.

Torch work follows the same spirit. The burn and flashback risks in air-acetylene setups are covered in detail in air acetylene welding basics and safety, and every one of those habits applies to oxyfuel cutting too. Treat the safety requirement as the one part of the badge you never wing.

Gas Cylinders, Hot Work Permits and Shop Rules That Prevent Fires

The tall metal bottles chained to the wall deserve more respect than anything else in a welding shop. A compressed gas cylinder carries enough stored energy to punch through a cinder block wall if the valve shears off, and every Scout working toward the welding merit badge needs to understand how to handle one. The same logic applies to hot work: sparks landing on a forgotten pile of rags have ended more than one shop session early. This section covers cylinder handling, the welding first-aid kit, and the hot work permit process that keep a Scout shop incident-free.

Handling Oxygen and Fuel Gas Cylinders the Right Way

A typical oxyfuel setup holds two cylinders that are not interchangeable. Acetylene is the fuel gas; oxygen is the oxidizer. Oxygen supports rapid combustion, and a trace of grease inside an oxygen regulator can ignite under pressure and cause an explosive failure.

• Secure cylinders upright at all times. Chain or strap them vertically whether in use, in storage, or on a cart. A falling cylinder can shear its valve clean off, turning the body into a projectile. A full oxygen cylinder weighs around 150 pounds and is top-heavy.
• Keep valve protection caps on when not in use. The cap protects the valve stem from impact during transport and storage. It is not decoration.
• Never use oil, grease or any hydrocarbon on oxygen valves, regulators or fittings. This includes ordinary hand lotion, which is why clean, dry gloves matter.
• Store cylinders away from heat and ignition sources, in a cool, dry, well-ventilated area, with empties segregated from full bottles.
• Transport with caps on and secured. No rolling, dragging, or laying cylinders flat in a pickup bed.

If your unit buys gases from a commercial supplier, ask about cylinder exchange and inspection tags. Suppliers such as Airgas welding supplies and AllGas Welding Supply publish handling guides that mirror what your counselor will ask about on the badge.

What Goes in a Welding First-Aid Kit

A welding first-aid kit is not the troop’s standard kit. A normal kit is built around cuts, scrapes and blisters; a welding kit is built around thermal and eye injury.

Item	Why It Is in the Kit
Burn dressings (sterile, water-based)	Cool and cover a thermal burn without contaminating the wound
Sterile gauze pads and rolls	Secure dressings; also usable for light bleeding
Eye wash solution or sterile saline	Flush slag, dust or fume irritation from the eyes
Instant cold packs	Reduce swelling on minor burns and sprains
Tweezers and a small magnet	Remove hot slag or embedded splatter from skin and clothing
Adhesive tape and trauma shears	Cut away clothing and secure dressings quickly

Keep the kit within a few steps of the welding station, check expiry dates at the start of each term, and make sure at least two adults know where it lives. For broader safety planning, the Guide to Safe Scouting is the reference your unit should follow.

Hot Work Permits and Fire Watch

Hot work is any operation that produces a flame, spark or heat capable of igniting nearby combustibles. NFPA 51B, the standard governing fire prevention during welding, cutting and brazing, requires combustibles to be removed or protected and a fire watch maintained during and after the work. Practically, that means clearing paper, cardboard, solvents, wood shavings and rags from the area, covering anything that cannot move with a fire-resistant blanket, and keeping a charged extinguisher within arm’s reach.

The fire watch is the part most Scout shops skip. Sparks can smolder in wall cavities and floor cracks for well over an hour after the arc goes out. A designated fire watch should remain in the area for at least 30 minutes after hot work finishes, checking for heat and smoke with the back of a hand near surfaces.

In a school shop or makerspace, a hot work permit documents that the inspection actually happened. A typical permit records:

1. Location and description of the work
2. Confirmation that combustibles were removed or protected within the work radius
3. Verification that a suitable extinguisher is present
4. Confirmation that ventilation or fume extraction is operating
5. Name of the assigned fire watch and the time work ended

Ventilation earns its line on the permit for a reason. Fumes from aluminum flux core welding and from cleaning agents used in aluminum prep add respiratory load on top of the fire risk. The same reasoning applies to aerospace welding environments, where fire watch discipline is treated as non-negotiable.

Shop Rules Checklist Scouts Can Post on the Wall

Print this, laminate it, and hang it where the machine sits:

• Check PPE before striking an arc: helmet, safety glasses, jacket, gloves, boots.
• Confirm ventilation or fume extraction is running.
• Clear combustibles within 35 feet and cover what cannot move.
• Charged extinguisher within reach; know how to use it.
• Cylinders capped, upright and chained.
• No welding alone; a qualified adult present.
• Never weld in a confined space.
• Work area clean at the end of every session.
• Fire watch assigned for 30 minutes after the last bead.
• Report every spark, burn and near miss to the counselor.

These are the same habits a professional welder learns on a shipyard or structural crew. Whether you go on to aerospace welding school or simply help on a family project, the discipline carries forward. The official welding merit badge page lists safety as a core part of the requirement set, and counselors treat it seriously because it is the one area where a mistake has no second chance.

Equipment Setup and the Inspection-Quality Welds Scouts Must Produce

Most Scouts lose more time to a badly set-up machine than to a hard technique. The good news is that welding setup is a sequence, and once you learn the order you can repeat it every session without thinking. Work through these steps top to bottom and your arc problems mostly disappear before you strike it.

The Setup Sequence: Six Steps, Same Order Every Time

1. Choose the process. Decide whether you are running stick (SMAW), short-circuit MIG (GMAW), flux-cored (FCAW), TIG (GTAW) or oxyfuel. The process determines every setting that follows.
2. Set polarity. Check the electrode or wire first. Most common mild-steel MIG wire runs on DCEP, while many stick electrodes for thin or out-of-position work run on DCEN. The label on the rod box or wire drum is your authority here.
3. Match heat to thickness. For stick and TIG, dial amperage to the plate thickness and electrode diameter; for MIG and flux-cored, set wire feed speed and voltage together. Thin sheet needs less heat, or you will burn through before the bead ties in.
4. Set gas flow. Dial the flow meter to the machine or regulator recommendation and check that the nozzle is clean. Too little flow lets the weld oxidize; too much creates turbulence that actually pulls air into the puddle.
5. Fit the right consumables. Install the correct contact tip and liner for your wire size. A worn or oversized tip is a classic cause of a wandering arc.
6. Dial in your angles. Travel angle (the push or drag along the joint) and work angle (the side-to-side tilt) finish the setup. Small changes here do more for bead shape than any knob on the machine.

The Four Hands-On Products the Badge Asks For

Expect to produce something a counselor can actually inspect, not just a pile of scrap:

• An inspection-quality fillet weld in a tee or lap configuration, with clean starts and stops.
• A completed joint assembly, typically a lap or tee joint built from two pieces you tacked yourself.
• Long practice beads in the flat position plus at least one harder position, usually vertical or overhead. An all position welding rod is worth studying before you attempt out-of-position passes, because filler selection controls how easily the puddle stays put.
• A metal identification exercise where you sort and justify your choices for mild steel, stainless steel, aluminum and cast iron.

That last one matters more than it looks. Each of those metals wants a different process, filler and setting. Stainless generally needs back-purged gas and lower heat input; aluminum demands a clean, oxide-free surface and, in shop practice, a dedicated approach like the prep described in aluminum MIG welding work. Cast iron usually goes to preheated nickel fillers with slow cooling. If you can explain why you chose each setting, you have passed the point of memorizing and started understanding.

How a Weld Is Judged

Inspectors, and counselors acting like inspectors, look for five things:

• Uniform width along the entire length, with straight, even toes.
• Consistent ripple spacing that shows a steady travel speed.
• No porosity: no pinholes or surface bubbles.
• No undercut: no groove melted into the base metal at the weld toe.
• Good fusion at the toes, so the bead sits in the joint rather than on top of it.

Fixing a bad bead is mostly diagnosis. Slow down at the edges to fill a crater, shorten your arc if the puddle gets wide and washed out, and grind out anything with trapped slag before you cap over it. Never bury a defect under a second pass.

Troubleshooting Table: Defect, Cause, Correction

Defect	Most Likely Cause	Correction
Porosity	Contamination, poor gas coverage, or an arc held too long	Clean and degrease the joint, check the nozzle and flow, shorten the arc
Undercut	Amperage too high or travel speed too fast at the toes	Reduce amperage or slow down along the edges
Cold lap (overlap)	Travel too fast, angles wrong, base metal not hot enough	Slow down, correct push/drag angle, let the puddle wet out
Heavy spatter	Wrong settings, dirty metal, long arc, bad liner or tip	Rebalance heat and wire speed, clean the steel, replace consumables
Burn-through	Too much heat for the thickness	Drop settings, increase travel speed, or tack-stitch thin areas

Follow the sequence, inspect your own work with the same eye a certified inspector would use, and reference the current requirement wording on the official Scouting.org welding merit badge page before each session. Setup discipline is the skill that outlasts the badge.

How to Work With a Merit Badge Counselor: From Blue Card to Final Sign-Off

Earning the welding merit badge is rarely a solo project. Behind every signed requirement is a registered adult who checks the work and finally puts pen to paper, or clicks “approved” in Scoutbook. Understanding that relationship, the paperwork that travels with it, and what to bring to the first meeting removes most of the friction that stalls Scouts halfway through.

Who Is Allowed to Sign Off on Requirements

Not every adult with a welding machine can approve your work. A counselor must be registered with the Boy Scouts of America and approved by the local council to counsel that specific badge. Some councils publish a searchable counselor list; others ask you to call the service center for a referral. The official BSA welding merit badge page is the starting point for current requirements and counselor information.

One practical detail: switching counselors mid-badge does not erase completed requirements. Work signed off by one counselor can transfer to another, so a personality clash, a schedule change, or a counselor moving away does not mean starting over.

Blue Cards, Scoutbook, and the Modern Sign-Off Workflow

Advancement records have moved steadily online. Many units now track progress in Scoutbook or the BSA’s digital advancement record, where a counselor’s approval lands in your permanent file almost instantly. Convenient, but it creates a trap: if your unit is fully digital and your counselor only signs paper, the work lives in two places that never meet.

Before your first meeting, ask a leader one question: does this unit use printed blue cards, digital records, or both?

• Digital-only units: bring Scoutbook login details and have a parent confirm your application was submitted to the counselor.
• Paper units: bring the classic blue merit badge application card, already signed by your Scoutmaster, with the badge name filled in.
• Hybrid units: bring the card and photograph every signed page. Paper gets lost in shops full of oil and metal dust.

What to Bring to the First Meeting

A prepared Scout makes the counselor’s job easy, and counselors remember Scouts who come ready.

1. The merit badge pamphlet: your textbook and the authoritative requirement list.
2. A signed blue card or completed Scoutbook application.
3. A notebook and pen. Knowledge requirements are often answered in writing before any arc is struck.
4. A requirement tracker. A printed checklist of numbered requirements with columns for date and counselor initials saves everyone time.
5. Questions. Write down what confused you in the pamphlet. Counselors prefer “what polarity should I use for this plate” to “so what do I do now?”

Ask up front how many sessions the counselor expects, which requirements happen in the classroom versus the shop, and what equipment or materials you should bring yourself. Better to learn in week one than week five.

Where Scouts Without a Home Welder Can Finish the Work

Most Scouts do not have a welder in the garage, and they do not need one. Hands-on requirements can be completed anywhere the counselor approves, provided the equipment and supervision meet BSA safety standards.

• A middle or high school industrial technology or career and technical education shop.
• A community college welding lab, which often runs weekend or summer open-shop hours.
• A local makerspace or fab lab with MIG machines and proper ventilation.
• A council-operated training center or the counselor’s own equipped shop.

For a feel for how structured training is scheduled, this overview of an aluminium welding course shows which skills come first and how practice time is graded.

Recording Partial Completion

A partially finished badge is completely normal. With paper blue cards, the counselor signs what is complete and returns the card; the remaining requirements stay open indefinitely. In Scoutbook, approved items stay approved and the badge shows as incomplete until the final one clears. There is no expiration clock on finished work, but no automatic reminder either, so keep your own tracker so a long gap does not become a forgotten badge.

Supervision, Two-Deep Leadership, and Age-Appropriate Practice

Welding is an adult-supervised activity by policy and by common sense. The BSA Guide to Safe Scouting sets the two-deep leadership standard: no Scout works one-on-one with an unrelated adult, and no Scout is alone with an adult during meetings or shop sessions. In practice, at least two registered adults are present, one actively supervising the arc while the other stays available.

Parents and counselors should respect the equipment too. Helmets, jackets, and gloves must fit a smaller frame, amperage starts low and climbs as control develops, and Scouts progress from flat-position beads on thicker plate before touching thin material. If early practice involves aluminum, remember how unforgiving the metal is; surface prep matters as much as technique, as this guide to aluminum cleaner for welding explains.

Treat the counselor as a coach, not a gatekeeper. Show up prepared, ask for feedback on each bead, keep your paperwork tidy, and sign-off day becomes a formality rather than a hurdle.

Why the Welding Merit Badge Matters: Careers, STEM and the Bigger Picture

The welding merit badge is an elective. A Scout could technically skip it and still reach Eagle, which is exactly why it is worth doing. Very few badges hand a fifteen-year-old a skill that employers will pay for, a vocabulary that shop foremen actually use, and an honest look at an industry that quietly holds together nearly every bridge, ship, pipeline and skyscraper most people never think twice about.

What the job market really looks like

Start with the numbers. The U.S. Bureau of Labor Statistics Occupational Outlook Handbook puts the median annual wage for welders, cutters, solderers and brazers at roughly $49,000, with tens of thousands of openings generated every year as experienced workers retire and new infrastructure work comes online. That median is a starting point, not a ceiling. Pay climbs noticeably for welders who hold certifications and accept the harder jobs: pipeline work, structural steel on tall projects, shipyard production, and underwater welding all sit well above the median because the work is specialized, inspected and often remote.

Welding also sits inside several of the most durable employment sectors in the country. Advanced manufacturing, shipbuilding, energy generation and transmission, commercial construction, and oil and gas pipeline work all depend on qualified welders. A Scout who learns to read a weld symbol and hold a consistent bead is not preparing for one job; they are preparing for a cluster of industries that cannot automate their way out of needing a human with a hood down.

From helper to inspector: the career ladder

Most welding careers do not start with a high-wage offer. They start with a predictable climb:

• Helper or shop assistant — cutting, grinding, fit-up, material handling and learning how a production shop actually runs.
• Certified welder — passing a performance test on the specific process, position and material an employer needs, often to an approved procedure specification.
• Structural or pressure welder — working to codes where every weld is traceable to a procedure and a qualified operator.
• Welding inspector — checking other people’s work against drawings and specifications, a role that typically requires documented hours plus examination.
• Welding engineer or supervisor — designing procedures, resolving metallurgy problems and running crews, usually reached through additional engineering study.

The formal version of that ladder runs through the American Welding Society, which is the same organization that helped build this badge with the Boy Scouts of America. Its Certified Welder program tests operators against industry codes, including AWS D1.1, the Structural Welding Code for steel, through hands-on demonstration rather than multiple choice. Because the test is performance-based, a Scout who has already spent time running consistent beads walks in far less nervous than a graduate who only read about welding.

The STEM bridge most people miss

Welding looks like a trade and behaves like applied science. A Scout studying heat input, shielding gas coverage and metal identification is doing metallurgy. Troubleshooting porosity is diagnostic reasoning. Setting up a machine consistently is process control. That is why the badge feeds so naturally into the Aerospace Welding career path, the Metalwork and Architecture merit badges, robotics teams, and the STEM Nova awards that reward exactly this kind of cross-disciplinary curiosity. Scouts headed toward engineering often find the badge gives their coursework a physical reference point they will use again in college labs.

Training routes, certificates and apprenticeships

After the badge, the practical next step is structured training. Community colleges and trade unions commonly offer welding certificates that take one to two years and feed directly into apprenticeship pipelines, and structured programs vary widely in focus, cost and equipment, as covered in this look at aluminium welding courses and what they teach. Apprenticeships through union halls and signatory contractors combine paid shop hours with classroom instruction, which means a Scout can earn while qualifying instead of borrowing to qualify.

Funding is available more often than families expect. Trade unions, community colleges and AWS-affiliated groups all administer scholarships and sponsorship programs aimed at exactly this skill set, including support for nontraditional entrants.

That is the bigger picture the badge hints at during those first practice beads: a validated skill, a recognized certification route, and a career map that reaches from a borrowed school shop to inspection-signoff authority on major construction. Treat the blue card as a starting line, not a trophy.

Common Mistakes, Troubleshooting and Practical Tips for Scout Leaders and Parents

The biggest hurdle for most Scouts isn’t learning to weld, it’s reaching the shop prepared enough to earn real time under the hood. A little prevention saves whole sessions and keeps this badge from dragging.

The Pitfalls That Stall Scouts The Most

Setbacks rarely come from the weld itself. They come from what happens before anyone strikes an arc:

• Skipping the bookwork: It’s tempting to jump straight into the shop, but the written knowledge comes first, and BSA’s official Welding merit badge requirements make that explicit. Don’t leave it for the car ride over.
• Arriving unprepared: A forgotten pamphlet, blue card, or sign-off list can stall an entire meeting. Keep one “welding folder” packed and ready for every session.
• Ignoring safety: Before any power is switched on, the Guide to Safe Scouting must be followed. Check PPE, ventilation, and a charged fire extinguisher, and take fumes seriously: the NIOSH Welding Safety resource identifies fume exposure as a genuine long-term hazard.
• Rushing beads: Everyone wants a finished weld fast. Build a repeatable setup routine instead, and learn fundamentals like those covered in Advantages of Stick Welding: Why SMAW Still Wins. That muscle memory outlasts any shortcut.
• Letting a partial expire: Shop slots fill and motivation fades. A written timeline is the easiest pitfall of all to prevent.

Troubleshooting: Welds and Process Issues

When something goes wrong, don’t guess. Run this checklist with your counselor. Most problems trace back to one simple fix.

Issue	Most Likely Cause	Fix To Try
Arc will not start (SMAW)	Ground clamped onto paint or rust, wrong polarity, or a stick electrode stuck to the work.	Grind a clean spot for the ground, verify polarity for your electrode, and free a stuck rod with a quick, controlled tap.
Wire will not feed (GMAW/FCAW)	Kinked liner, bent contact tip, or drive roll tension set too tight or too loose.	Check the liner for kinks, swap out a damaged tip, and adjust the rolls until the wire feeds smoothly without being crushed.
Gas will not flow (GMAW/TIG)	Cylinder valve not open, kinked hose, regulator set too low, or a faulty gun switch.	Open the valve fully, check hose connections, verify your regulator setting, and confirm the gun switch is working.
Beads look lumpy or ropey	Erratic travel speed, too long an arc, or improper work angle.	Practice a slow, straight travel path with a tight arc, changing one variable at a time.
Burn-through on thin sheet metal	Excess heat input for the material thickness.	Reduce amperage or wire speed, increase travel speed, or clamp a heat sink behind the joint to pull heat away.

A Four-Session Plan For Parents and Leaders

The key is spacing. Planning four to eight supervised sessions spread over a few months prevents shop burnout and leaves time for practice between meetings. For units with tighter shop access, this breakdown is the most realistic to follow:

1. Session 1: Prep & Paperwork (At Home or Before Shop Time) – Review the pamphlet, fill out the blue card or Scoutbook requirement tracker, go over OSHA welding, cutting, and brazing safety, and build a PPE checklist. No sparks yet, just planning.
2. Session 2: Setup & Stringer Beads (Shop) – Under direct supervision, run machine setup from scratch, then lay straight stringer beads in the flat position. Judge consistency, not length.
3. Session 3: Joints & Positions (Shop) – Apply beads to a lap or tee joint, practice tacking, and try a second position if time allows. Use the troubleshooting table above on any defects.
4. Session 4: Inspection, Corrections & Sign-Off (Shop) – Inspect each weld for fusion, width consistency, and defects, make small corrections, review any missed knowledge requirements, and wrap up with the counselor for a thorough sign-off.

Treat This Badge As The Start, Not The Finish

This badge is a launchpad. Pair the career outlook from the BLS for welders, cutters, solderers, and brazers with the certification paths through the American Welding Society, and a Scout who falls in love with this trade has plenty of directions open.

Most of all, remember this: perfection is not expected, proficiency is. Mistakes are going to happen, and in a shop they are some of the best teachers you’ll find. Keep practicing, keep them prepared, and with patience and safety at the forefront, this badge won’t just be earned, it’ll be the very first bead toward a lifelong skill.

Frequently Asked Questions

What are the welding merit badge requirements?

The requirements cover welding knowledge, the four common joints, safety and PPE, compressed gas cylinder handling, a welding first-aid kit, correct equipment setup, and producing inspection-quality welds plus metal identification. Scouts should always work from the current official requirement list in the merit badge pamphlet or scouting.org because BSA revises wording periodically.

How old do you have to be to earn the welding merit badge?

BSA safety policy sets a minimum age of 14 for welding-related merit badges, and many units also expect the Scout to hold at least the First Class rank. Check your council’s current guidance before signing up.

Does the welding merit badge count for Eagle Scout?

Welding is an elective badge, not one of the Eagle-required badges, but it counts toward the elective credits a Life Scout needs to reach the required total for Eagle.

Can a Scout finish the badge without a welder at home?

Yes. Most Scouts complete the hands-on requirements in a school shop, community college lab, makerspace, or council facility under a qualified counselor. Written requirements can often be done at home before the shop session.

What safety gear does a Scout need for welding practice?

A welding helmet with the correct shade lens, safety glasses worn under the helmet, flame-resistant jacket and gloves, ear protection, and closed leather footwear. Scouts also need proper ventilation and a fire extinguisher within reach.

What goes in a welding first-aid kit?

A welding kit adds burn dressings, sterile gauze, eye wash, tweezers or pliers for hot slag, and instant cold packs to standard first-aid supplies. Knowing why each item is there is part of the requirement.

How long does it take to complete the welding merit badge?

Most Scouts finish in four to eight supervised sessions over one to three months, depending on access to shop time and how quickly they progress from knowledge work to inspection-quality welds.

Which welding process should a beginner learn first?

Gas metal arc welding (MIG) is usually the friendliest starting process because the machine feeds wire and holds a fairly steady arc. Shielded metal arc welding (stick) is the next logical step and the most portable process in the field.

Is welding a good career path after earning the badge?

Welding feeds into advanced manufacturing, construction, shipbuilding, energy and pipeline work, with certified welders often earning well above the median wage. AWS certification and community college or union apprenticeship programs are common next steps.