Mastering Post Weld Heat Treatment and Heat Treatment

Post weld heat treatment

Stress relieving

Heat Treatment (correct)

PWHT

To relax the stresses locked in a welded structure

To improve the mechanical and chemical properties of the machined surfaces (correct)

To alter the physical and mechanical properties of metals

To decrease the potential for hydrogen-induced cracking

To decrease the potential for hydrogen-induced cracking

To relax the stresses locked in a welded structure (correct)

To improve the mechanical and chemical properties of the machined surfaces

To alter the physical and mechanical properties of metals

<p>To decrease the potential for hydrogen-induced cracking</p> Signup and view all the answers

<p>To alter the physical and mechanical properties of metals</p> Signup and view all the answers