forged steel grinding media balls
Product Description
1. Feature of our grinding balls as follows:
1) High Hardness: Surface hardness: HRC60-68 HRC, volume hardness HRC60-65.
2) High Impact Toughness: The impact toughness of our grinding balls is more than 12 J / cm2.
3) Low Broken Rate: the actual broken rate is not higher than 1%.
4) Good wear-resistant and lower wear rate.
2. Applied fields of our grinding balls:
a) Mines;
b) Cement plants;
c) Power stations;
d) Chemical industry
3. Specifications of our grinding balls as follows:
|
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; |
Payment Terms︰ LC/TT
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