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cast steel ball
Specification: Dia.17-130mm
Detail: Hardness:45-68HRC I***ct Value:1-7J/cm^2 Breakage Rate:1% Out of Roundness Rate:1% Microstructure:Low chrome:P+C; Middle&High Chrome:M+C

forged steel ball
Specification: Dia.20-160mm
Detail: Hardness:45-63HRC I***ct Value:12-15J/CM^2 Breakage Rate:1% Out of Roundness Rate:1% Microstructure:M+C


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