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 optimized procedures, filler metals, preheat, PWHT, and thorough inspections for dependable welds that last.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
Gain practical insights into welding metallurgy to minimize cracking, manage hardness, and boost weld reliability. Understand thermal effects on microstructure, hydrogen and stress-induced failures, and use preheat, post-weld heat treatment, consumables, 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 using proper preheat, diffusion control, and low-hydrogen consumables.
- Minimize weld and machining stresses through better 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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