The Science of Preheat and Post-Weld Heat Treatment (PWHT)
Post-weld heat treatment relieves residual stress and reduces hardness in welded steel. Learn the science of preheat, PWHT methods, and hydrogen control.
Post-weld heat treatment

Post-weld heat treatment relieves residual stress and reduces hardness in welded steel. Learn the science of preheat, PWHT methods, and hydrogen control.