Pipe Master Like any service business, quality welding is judged by your weld’s strength and appearance. For difficult angle welding, the contour and fit between the tubes determines both of these extremely important final results. PipeMaster™ is the precision tool that allows you to precisely outline and cut tubing to the correct angle, ensuring the fit you need for a quality-finished weld. PipeMaster™ is used in virtually every industry around the world to save time and increase the quality of the welded joints.