ColTung No. 1 is a nickel-base hard-surfacing alloy containing tungsten carbide in a nickel matrix with chromium borders. Hardnesses to 58 to 63 HRC can be reached. This datasheet provides information on composition, physical properties, microstructure, and hardness. It also includes information on joining. Filing Code: Ni-509. Producer or source: Wall Colmonoy Corporation.

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