High Chrome Grinding Media,Mill Balls,Steel .
Produce the qualified casting chrome grinding balls. Heat treatment is vital. It influences the balls HRC, impact value and internal microstructures. There are two necessary steps for casting chrome balls: quenching and tempering. Quenching, including air & oil quench, is to increase balls' HRC. For High chrome balls, Cr over 10%, need to do this process. For tempering, both low chrome and ...
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