How To Pass A Pipe Welding Test. The 6G pipe weld is one of the most difficult weld certification tests to pass because the pipe is at a 45-degree angle and immovable. Open Root Pipe Welding Techniques.
If the WPS does not specify youre free to use as many or as few passes as your skills allow. The Pipe Welding Bureau recommends that 2 38 OD 2 NPS pipe be used for this test. Place the electrode back to the middle of the.
Welder Performance Qualification WPQ is also known as Welder Qualification Test WQT or Performance Qualification.
This pipe welding position is the most difficult welding position. The First Pass. If the plate you welded was thicker than 38 then the test strips will be 38 strips cut from across the weld and will be bent to the side with the point of maximum stretch where the. 1 Take a formal welder training course or enroll in a welding school that teaches you everything.