Hidurel 640 is a copper alloy with similar properties to Hidurel 6 (see Alloy Digest Cu-746, September 2006) with superior mechanical properties at high temperature. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fracture toughness. It also includes information on corrosion resistance as well as forming and machining. Filing Code: CU-747. Producer or source: Langley Alloys.

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