The two most common types of metal tubing used in custom tube bending and tube lasering are seamless and welded. The choice between the two is normally determined by application type, material ...

Note to readers: I published a letter from Ray Guilbert regarding skip welding patch panels into place back in the July 2007 "Professor Hammer" column. This has generated more mail than any column in ...

First US use of a steel compression sleeve for pipeline repair confirmed nearly 7 years of Canadian and Mexican experience that the method can permanently repair longitudinal defects on an operating ...