Welding Metallurgy Training
Master welding metallurgy for shafts and flanges in this practical course. Understand how heat input, microstructure changes, machining, and residual stresses cause cracking. Learn prevention strategies including smart procedures, filler selection, preheat, PWHT, and thorough inspection to ensure reliable weld performance and extend component life.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This practical course delivers essential welding metallurgy knowledge to minimise cracking, manage hardness, and boost reliability. Explore thermal cycle effects on microstructure, hydrogen and stress-induced failures, and practical solutions like preheat, PWHT, consumable choices, joint designs, machining controls, and testing to avoid defects and prolong part lifespan.
Elevify advantages
Develop skills
- Control weld hardness by tuning microstructure to stop cold cracking on shafts.
- Prevent hydrogen cracking through managing preheat, diffusion, and low-hydrogen consumables.
- Reduce weld and turning stresses by optimising joint design, toe finish, and sequencing.
- Plan weld failure analyses by selecting tests, mapping hardness, and reading fracture surfaces.
- Select weld processes and fillers to 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 workloadWhat our students say
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