CIPDB › China Industry › Metallurgy, Mineral & Energy › Wear Resistant Material
Grinding Steel Balls Forged Ball for Ball Mill All Sizes1
Wear Resistant MaterialRolling Forging Steel BallSteel Ball
TIANJIN OKAY INTERNATIONAL TRADING CO., LTD.
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Product Description Diameter tolerance and roundnessDiameter30405060708090100110120125150(mm)Tolerance±2+3,-2+4,-3+5,-4(%)Roundness≤2≤3≤4≤5Chemical compositionBrandC(%)Si(%)Mn(%)Cr(%)Cu(%)Mo(%)P(%)S(%)Ni(%)45#0.42-0.500.17-0.370.5-0.800-0.250-0.250-0.300-0.0350-0.0350-0.3050Mn0.48-0.560.17-0.370.60-1.00-0.250-0.250-0.300-0.0350-0.0350-0.3060Mn0.57-0.650.17-0.370.70-1.00-0.250-0.250-0.300-0.0350-0.0350-0.3065Mn0.62-0.700.17-0.370.90-1.00-0.250-0.250-0.300-0.0350-0.0350-0.30U71MN0.65-0.760.17-0.371.10-1.400-0.250-0.250-0.300-0.0350-0.0350-0.3040Cr0.37-0.450.17-0.370.50-0.80.80-1.10-0.250-0.300-0.0350-0.0350-0.3042CrMo0.38-0.450.17-0.370.50-0.800.90-1.20-0.030.15-0.250-0.0350-0.0350-0.3070Cr20.65-0.750.20-0.300.75-0.900.55-0.700-0.250-0.300-0.0300-0.0300-0.3040Mn20.37-0.440.17-0.371.4-1.80-0.250-0.250-0.300-0.0350-0.300-0.30B-20.70-0.800.17-0.370.70-0.800.50-0.600-0.250-0.300-0.0350-0.0350-0.30B-30.58-0.661.2-1.60.65-0.800.70-0.900-0.250-0.300-0.0350-0.0350-0.30B-40.60-0.651.6-1.70.7-0.80.7-0.80-0.250-0.300-0.0350-0.0350-0.30B-60.75-0.850.2-0.400.9-1.00.85-0.950-0.250.06-0.130-0.03502-0.0350.06-0.13B-6A0.82-0.950.20-0.400.92-1.020.80-0.950-0.250.06-0.100-0.0350-0.0350.06-0.10B-70.35-0.400.17-0.370.7-0.80.9-1.00-0.250-0.300-0.0350-0.0350-0.30BU0.95-1.050.17-0.370.9-1.100.40-0.600-0.150-0.050-0.0350-0.0350-0.30Gr150.95-1.050.15-0.350.20-0.401.30-1.650-0.250-0.100-0.0270-0.0200-0.10Technical specificationBrandBreakage rateHardness(HRC)Impact value(J/cm2)Drop timesMicro structure45#<1%≥45≥12≥8000M+C50Mn<1%≥55≥12≥10000M+C60Mn<1%≥55≥12≥12000M+C65Mn<1%≥58≥12≥12000M+CU71MN<1%≥58≥12≥12000M+C40Cr<1%≥55≥12≥12000M+C42CrMo<1%≥55≥12≥12000M+C70Cr2<1%≥58≥12≥12000M+C40Mn2<1%≥55≥12≥12000M+CB-2<1%≥58≥12≥15000M+CB-3<1%≥60≥12≥15000M+CB-4<1%≥60≥12≥15000M+CB-6<1%≥60≥12≥15000M+CB-6A<1%≥60≥12≥15000M+CB-7<1%≥60≥12≥15000M+CBU<1%≥60≥12≥15000M+CGr15<1%≥60≥12≥15000M+C
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