Chemical composition(%) ItemDesignationChemical Composition(%)CSiMnCrMoPSHigh and Super Chromium Cast Grinding BallsZQCr-122.0-3.3≤1.20.3-1.510.0-14.00-3.0≤0.10≤0.06ZQCr-152.0-3.3≤1.20.3-1.514.0-18.00-3.0≤0.10≤0.06ZQCr-202.0-3.3≤1.20.3-1.518.0-23.00-3.0≤0.10≤0.06ZQCr-262.0-3.3≤1.20.3-1.523.0-30.00-3.0≤0.10≤0.06
Properties and Microstructure ItemDesignationHardness(HRC)ak(J/cm²)MicrostructureTime of Falling BallsQuenching state(A)The Quenching state(A)High and Super Chromium Cast Grinding BallsZQCr-26≥60≥50≥4.0M+C≥10000ZQCr-20≥60≥50≥3.5≥10000ZQCr-15≥60≥49≥3.0≥10000ZQCr-12≥60≥49≥3.0≥10000
High Chromium Cast Grinding Balls
Applied areas: cement building materials, metal mining, coal paste thermal power plants, chemical engineering, ceramic coating, light industry, magnetic materials
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