低磨耗钢球

'forged mill ball

1. Forged steel grinding balls

Size: 20mm-150mm

Hardness:HRC55-65

Chemical elements: C: 0.52-0.65; Si: 0.2-0.4; Mn: 0.7-1.2; S & P: 0.04Max; Cr: 0.25Max.

2. RCAB-II New Materials Forged Steel Balls

Size: 40mm-150mm

Hardness:HRC58-65

Chemical elements: C: 0.72-0.82; Si: 0.17-0.37; Mn: 0.7-0.8; S & P: 0.04Max;

Cr: 0.28-0.60.

forged ballChemical elements of forged steel ballsCSiMnCrSP0.50-0.650.15-0.370.6-1.2≤0.25≤0.04≤0.040.7-0.90.45-0.750.7-1.250.28-0.60≤0.04≤0.04 Specification of forged steel Grinding ballsNominal diameterDiameteical

ToleranceWeight of single ball in averageSurface hardnessImpact toughness(mm)(mm)(g)(HRC)(j/cm2)Φ20+2 -13255-65≥12Φ2564Φ30110Φ40263Φ50513Φ60+3 -2888Φ701410Φ802104Φ902996Φ1004110Φ110+4 -2545750-60Φ1207102Φ1309030Φ140+4 -311278Φ15013871Application fields:

industries of cement building material,metallurgical selection in mine,grinding coal in power plant,chemical industry and machinery,etc

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