
How to qualify a Welding Procedure
The qualification of welding procedures is necessary to ensure that the selected welding parameters can produce sound welds and complying with project specification. Qualification typically involves a combination of destructive and nondestructive testing (DT and NDT). When a particular code, such as AWS D1.1 or ASME Section IX is used, the code will indicate the type and numbers of tests necessary in order to qualify the welding procedure. But incase of you are not required to follow specific codes or standards, it is advisable that you do some kind of testing if you are developing a new procedure. Many fabricators … Continue reading How to qualify a Welding Procedure