Heating to extreme temperatures (or chilling) will harden or soften metal. The process may alter the physical, and sometimes chemical, properties of the metal. Here are some...

Ultrasonic welding is an industrial welding process that uses high-frequency ultrasonic acoustic vibrations which are locally applied to the pieces being joined.  The pieces that are being...

Oxyacetylene welding is one of the most common welding processes still in use.  It is versatile and once it is mastered it can be used to weld...

Flux-cored arc welding, also known as FCAW or FCA, is a semi-automatic or automatic arc welding technique.  Flux-cored arc welding requires the use of a tubular electrode...

Orbital welding is a process that was invented over fifty years ago.  It is a specialized area of welding where the welding arc is mechanically rotated around...

In a recent interview with IMPO Magazine, Ray Shook, Executive Director of the American Welding Society, described a number of technological innovations in welding that have been...