Welding Metallurgy Training
Master welding metallurgy for shafts and flanges. Learn how heat input, microstructure, machining, and residual stress drive cracking—and how to prevent it with smart procedures, filler choices, preheat, PWHT, and inspection for reliable weld performance.

flexible workload from 4 to 360h
valid certificate in your country
What will I learn?
This short, practical course gives you clear, actionable knowledge of welding metallurgy so you can reduce cracking, control hardness, and improve reliability. Learn how thermal cycles change microstructure, how hydrogen and residual stresses drive failures, and how to apply preheat, PWHT, consumable selection, joint design, machining controls, and testing methods to prevent defects and extend component life.
Elevify advantages
Develop skills
- Control weld hardness: tune microstructure to prevent cold cracking on shafts.
- Prevent hydrogen cracking: manage preheat, diffusion, and low-hydrogen consumables.
- Reduce weld and turning stresses: optimize joint design, toe finish, and sequencing.
- Plan weld failure analyses: select tests, map hardness, and read fracture surfaces.
- Select weld processes and fillers: match AISI 4140 shafts for strength and toughness.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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