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| | | |  | | VKT530 based copper alloy bearing steel |  | | 20 # steel products for the matrix, inner hole covered with a special wear-resistant copper alloy material, the surface of copper alloy can be processed into fuel tank rules to enhance lubrication performance. The product of alternative sets of thick-walled bronze, can greatly reduce the production costs. At the same time with a small friction coefficient, good wear resistance, high dimensional accuracy, impact resistance, high temperature resistance characteristics. Mainly used for building mechanical sliding parts, fuel tank-oriented high-precision stamping parts and mold, automotive mold coverage, such as frequent job introduction sets the reciprocating motion.

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