Welding Metallurgy Training
Master welding metallurgy for shafts and flanges. Discover how heat input, microstructure, machining, and residual stress cause cracking, and learn to prevent it using smart procedures, filler choices, preheat, PWHT, and inspection to ensure reliable weld performance. This course equips you with practical strategies to enhance weld reliability and extend component life.

4 to 360 hours flexible workload
valid certificate in your country
What will I learn?
This concise, hands-on 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 design, machining, and testing to avoid defects and prolong service life.
Elevify advantages
Develop skills
- Control weld hardness by tuning microstructure to prevent 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 the 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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