Grinding Media Ball Forged Steel Grinding Balls Grinding Ball For Mining

SURFACECORECHEMICAL COMPOSITION
1) 60Mn Forged grinding ball
HRC58-65
≥HRC44
C: 0.52-0.65; Si: 0.15-0.37; Mn: 0.6-1.2; 2) B2 Forged grinding ball
HRC60-68
≥HRC55
C: 0.75-0.90; Si:0.17-0.37; Mn:0.7-0.9; 3) B3 Forged grinding ball
HRC60-68
≥HRC55
C:0.55-0.65; Si:0.2-0.37; Mn:0.75-0.9; Cr:0.85-1.2;S/P≤0.03;
4) B4 Forged grinding ball
HRC60-68
≥HRC58
C:0.58-0.66; Si:1.6-1.9; Mn:0.65-0.80; Cr:0.7-0.9; S/P≤0.03;
3) High chrome cast grinding ball
HRC58-65
≥HRC55
Cr:11-27; C: 2.0-3.0; Si:1.0Max; Mn: 0.5-1.5; 4) Low chrome cast grinding ball
HRC48-55
≥HRC46
Cr:1-3; C: 2.2-3.6; Si:1.0Max; Mn: 0.5-1.5; 5) Medium chrome cast grinding ball
HRC50-60
≥HRC48
Cr:4-10; C: 2.2-3.6; Si:1.0Max; Mn: 0.5-1.5; Diametrical toleranceWeight of SingleNumber of piece ofImpactDIA 203231250≥12
DIA 608881126DIA 110+45457182DIA 140+41127888
72
6. Package:Steel drums (850kg per drum) or Flexible Container Bags ( 1000kg per bag)
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7. Photos of Products, Factory, Raw materials, Processing Line, Testing, Packaging, Certificate