When performing a carbon steel to carbon steel hot tap where the CE of one of the metals is greater than 0.42%, which of the following electrodes should be used?
Remote examination of welds may use aids such as telescopes, borescopes, fiberscopes, cameras, or other suitable instruments provided they have:
The carbon equivalent formula indicates:
The most common measure of weldability and susceptibility to hot cracking of austenitic stainless steels is the ferrite content of the weld metal. Which of the following ranges is the recommended minimum ferrite content of the weld metal needed to prevent cracking?
Which of the following is a hazard associated with in-service welding on a carbon steel pipe containing chlorine?