Welding Metallurgy Training
Gain mastery in welding metallurgy for shafts and flanges. Understand how heat input, microstructure changes, machining practices, and residual stresses cause cracking, and apply targeted solutions including procedures, filler metals, preheat, PWHT, and inspections to ensure durable, high-performance welds in critical applications.

4 to 360h flexible workload
certificate valid in your country
What will I learn?
This practical course delivers essential welding metallurgy knowledge to minimize cracking, manage hardness, and boost weld reliability. Explore thermal cycle effects on microstructure, hydrogen and stress-induced failures, and strategies like preheat, PWHT, consumables, joint design, machining, and testing to avoid defects and prolong part lifespan.
Elevify advantages
Develop skills
- Control weld hardness by adjusting microstructure to avoid cold cracking in shafts.
- Prevent hydrogen cracking through preheat management, diffusion control, and low-hydrogen consumables.
- Minimize weld and machining stresses via optimized joint design, toe finishing, and sequencing.
- Conduct weld failure analysis by choosing tests, mapping hardness, and interpreting fracture surfaces.
- Choose weld processes and fillers to match AISI 4140 shafts for optimal 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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