Welding Metallurgy Training
This course teaches welding metallurgy for shafts and flanges, covering how heat input, microstructure changes, machining, and residual stresses cause cracking. Students learn prevention strategies including smart procedures, filler selection, preheat, post-weld heat treatment, and inspection to ensure reliable welds and longer component life.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
Gain practical knowledge in welding metallurgy to minimize cracking, manage hardness, and boost reliability. Understand thermal cycle effects on microstructure, hydrogen and stress-induced failures, and apply techniques 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 avoid cold cracking on shafts.
- Prevent hydrogen cracking through managing preheat, diffusion, and low-hydrogen consumables.
- Reduce weld and turning stresses by optimizing 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 workload.What our students say
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