KTEC operates a dedicated welding lab in our new building, where students can complete Gateway’s welding coursework in-house. The courses below count toward the Gateway Technical College Welding/Maintenance & Fabrication Technical Diploma (30-442-2) — a recognized credential that employers in the trades actively seek.

442-321 Welding / Gas Metal Arc Welding ★

MIG welding processes, equipment operation, and joint configurations.

442-322 Welding / Shielded Metal Arc Welding ★

Stick welding techniques across flat, horizontal, vertical, and overhead positions.

442-323 Welding / Gas Tungsten Arc Welding ★

TIG welding for high-precision work on carbon steel, stainless, and aluminum.

442-324 Weld Printreading & Fab. Procedures ★

Reading and interpreting welding symbols, blueprints, and fabrication specifications.

442-334 Welding / Thermal Cutting ★

Plasma, oxy-fuel, and other thermal cutting processes used in fabrication.

457-309 Metal Fabrication I ★

Layout, fitting, and fabrication of metal structures using a range of welding processes.

442-330 Welding / Adv. Shielded Metal Arc Welding

Advanced stick welding with a focus on out-of-position and specialty applications.

442-332 Welding / Adv. Gas Metal Arc Welding

Advanced MIG techniques including short-circuit, globular, and spray transfer.

442-333 Welding / Adv. Gas Tungsten Arc Welding

Advanced TIG processes for exotic metals and precision fabrication work.

457-336 Metal Fabrication II

Advanced metal fabrication with emphasis on complex assemblies and quality standards.

★ These courses count toward the Gateway Technical College Welding/Maintenance & Fabrication (30-442-2) Technical Diploma.