Questions and Answers
Which process refers to the controlled heating and cooling of metals to alter their physical and mechanical properties?
Heat Treatment
What is the purpose of PWHT (Post Weld Heat Treatment)?
To improve the mechanical and chemical properties of the machined surfaces
When is stress relief heat treatment applied?
To relax the stresses locked in a welded structure
What is the main purpose of PWHT in relation to hydrogen-induced cracking (HIC)?
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What is the purpose of heat treatment in general?
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