high-frequency electrical resistance weld (HF-ERW)

A welding process commonly used to join metal tubes or pipes. It is a form of electric resistance welding (ERW) that utilizes high-frequency alternating current (AC)An electric current that reverses its direction at intervals, while constantly changing its magnitude. It widely used in businesses and domestically. to generate heat and form a weldLocalized coalescence of metals produced by heating the materials to the welding temperature, with or without the application of pressure, or by the application….