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Good wear resistant high hardness Forged Steel Grinding Balls with ISO9001
Product Description:
1) No deformation
2) High hardness Good wear resistant
3) Size:Dia20mm-150mm
4) Breakage<1%
5) Certification: ISO9001,SGS.
Specification:
| PRODUCTS | SURFACE HARDNESS | CORE HARDNESS | CHEMICAL COMPOSITION |
| 1) 60Mn Forged grinding ball | HRC58-65 | ≥HRC45 | C: 0.52-0.65; Si: 0.15-0.37; Mn: 0.6-1.2; S & P: 0.04Max; Cr: 0.25Max |
| 2) B2 Forged grinding ball | HRC60-68 | ≥HRC55 | C: 0.75-0.90; Si:0.17-0.37; Mn:0.7-0.9; P: 0.035 MAX; S: 0.035MAX; Cr:0.40-0.70. |
| 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; |
| 5) High chrome cast grinding ball | HRC60-65 | ≥HRC58 | Cr:11-27; C: 2.0-3.0; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max; |
| 6) Low chrome cast grinding ball | HRC48-55 | ≥HRC46 | Cr:1-3; C: 2.2-3.6; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max; |
| 7) Medium chrome cast grinding ball | HRC55-63 | ≥HRC55 | Cr:4-10; C: 2.2-3.6; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max; |
Feature:
1) High Hardness: The surface hardness of forged and rolling balls is to 60-65 HRC and volume hardness is to 60-63 HRC
2) High Impact Toughness: The impact toughness is more than 12 J/cm2;
3) Low Broken Rate: The actual broken rate is not higher than 1%;
4) Even Wear-resistance: The loss of ball round rate is 50-300 g/ton.
Packing:
1.Bags:1000KG polypropylene bags which are highly resistant to UV rays
