Butt Welding

Questions and Answers

Group B materials is a designation of the Resistance Welding Manufacturers Alliance (RWMA).  It describes a group of Tungsten/Copper materials with high strength and good electrical conductivity.  Their main feature is high strength at high temperatures.  Their properties make them excellent materials to use in the resistance welding industry as electrodes at high heat and forces.

Group A material is a designation of the Resistance Welding Manufacturers Alliance (RWMA).  It describes a group of copper alloys with high strength and high electrical conductivity.  Their properties make them excellent materials to use in the resistance welding industry as electrodes and current carrying componenets used in the machinery of the resistance welding industry.

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