Alloys/Materials

Questions and Answers

Class 3 material is a designation of the Resistance Welding Manufacturers Alliance (RWMA).  It describes a group of copper alloys with excellent strength and good electrical conductivity.  Class 3 is often used to weld stainless steel, nickel alloys and other highly resistive - strong materials that require high weld forces.

bar stock

Class 3 Bar Stock

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