Welding Metallurgy Training
This course equips you with essential welding metallurgy knowledge for shafts and flanges. Explore how heat input, microstructure changes, machining practices, and residual stresses cause cracking, and master prevention strategies like optimised procedures, filler metals, preheat, PWHT, and thorough inspections for dependable welds that stand the test of time.

flexible workload of 4 to 360h
valid certificate in your country
What will I learn?
Gain practical insights into welding metallurgy to minimise cracking, manage hardness, and boost weld reliability. Understand thermal effects on microstructure, hydrogen and stress-induced failures, and use preheat, post-weld heat treatment, filler selection, joint designs, machining, and testing to avoid defects and prolong part lifespan.
Elevify advantages
Develop skills
- Control weld hardness by adjusting microstructure to stop cold cracking in shafts.
- Prevent hydrogen cracking through proper preheat, diffusion control, and low-hydrogen consumables.
- Minimise weld and machining stresses with smart joint design, toe finishing, and sequencing.
- Conduct weld failure investigations by choosing tests, mapping hardness, and analysing 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 workloadWhat our students say
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