Skip to content
Home Articles Standards About Contact
Engineering Archive

Category: Comparisons & Buying Guides

Process comparisons, product reviews, and practical buying guides.

Showing 9 of 62 articles

Buying Guide
May 24, 2026 50 min read

Penetration Welding Definition: CJP vs PJP Explained

Penetration welding definition: what complete joint penetration (CJP) and partial joint penetration (PJP) mean, how they differ, and how welds get inspected.

NH Nicholas Harper Read
Field Study
Apr 12, 2026 47 min read

How to Join Metal Without Welding: 9 Methods Compared

Learn how to join metal without welding. Compare rivets, bolts, structural adhesives, clinching and brazing with strengths, costs and step-by-step tips.

NH Nicholas Harper Read
Aluminum
Apr 6, 2026 44 min read

Best Gas for MIG Welding Aluminum: Argon vs Helium

100% argon is the best gas for MIG welding aluminum. Compare argon, helium and tri-mix blends, flow rates, costs, safety and porosity fixes.

NH Nicholas Harper Read