Post Weld Heat Treatment (PWHT) is a controlled process which is performed to reduce the residual stresses and micro-structural changes that occur after the completion of welding.
To create NOIs and ROIs for Post Weld Heat Treatment module, click Home > Structural > Post Weld Heat Treatment module. In Structural module, steps to create NOIs and ROIs for Post Weld Heat Treatment module are similar to Piping module.