June 13, 2002
This article provides an overview of electric resistance welding (ERW). It dicusses high-frequency ERW (contact and induction) and rotary wheel contact welding (AC, DC, and square wave). It describes the differences among the processes, as well as the power supplies and weld rolls.
The only North American publication devoted to the metal tube and pipe industry industry and is a trusted source of information for professionals. Subscriptions are free to qualified tube and pipe professionals in North America.