Welding Precautions of Metals
Welding Precautions for Metals Welding of any Materials need some procedural requirements which is also called as welding precautions for metals like cleaning, preheating, post heating PWHT, purging etc. However these requirements are specified in various design standards, of welding requirements. Before moving ahead with welding requirements, we should know about abbreviation used as PWHT. WhatRead More…