Low Chrome Casting Steel Ball

 Chemical Composition C(%)Si(%)Mn(%)Cr(%)Cu(%)Mo(%)P(%)S(%)2.1-3.6≤1.50.3-1.51.0-3.0≤0.80≤1.0≤0.10≤0.10Size 17-130mm(0.7inch-5inch) Hardness SeriousSurfaceVolume HardnessStandard Hardness45-48HRC43-46HRCImpact Value ≥1J/CM^2Balls Number ≥8000timesMicrostructure P+CDiameter Tolerance(mm) 20-25mm30-60mm70-90mm100-140mm150mm±1±1.5+2,-1+2.5,-1+3,-1Roundness(%) ≤1%≤1%≤1.5%≤2%≤2%  Theoretical Ball Weight DiameterWeightDiameterWeight20mm32.8g90mm2988.9g25mm64.0625g100mm4100g30mm110.7g110mm5457.1g40mm262.4g120mm7084.8g50mm512.5g125mm8007.8125g60mm885.6g130mm9007.7g70mm1406.3g140mm11250.4g80mm2099.2g150mm13837.5gApplication Cement plants, Mines, Power stations, Chemical industries, Other ball millsPackage Bags(one bag=one ton); Drums(one drum=800-1000kgs)



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