Specifications
Forged (rolled) grinding media steel ballForged (rolled) grinding media steel ball
Specifications
forged steel grinding media ball
1.HRC: 60-65
2.Dia: 20mm-150mm
3.high hardness
4.good wear resiscance and low breakage
No mal-roundness and Low Breakage forging steel grinding ball for mining
We are the professional manufacturer of steel grinding ball. Our products have been exported to more than 40
countries in the world and all have enjoyed a great reputation. The specification of our products as following:
1.Chemical composition:
Item | C | Cr | Si | Mn | S | P | Cu | Mo | Ni | Hardness |
Element | 0.6-1.2% | ≤ 1.0 | 0.15-0.6 | 0.6-1.5 | ≤ 0.04 | ≤0.04 | ≤0.1 | ≤0.25 | ≤0.1 | 55-65 |
2.Specification and Hardness of Grinding Media Ball
Nominal diameter (mm) | Diameteical tolerance (mm) | Weight of Single of forging ball in average | Number of piece of One ton forging ball in average | Surface hardness | Impact toughness |
DIA 20 DIA 25 DIA 30 DIA 40 DIA 50 |
+2 -1 | 32 64 110 263 513 | 31250 15625 9090 3802 1949 |
55-65 |
≥12 |
DIA 60 DIA 70 DIA 80 DIA 90 DIA 100 |
+3 -2 | 888 1410 2104 2996 4110
| 1126 709 475 333 243 | ||
DIA 110 DIA 120 DIA 130 | +4 -2 | 5457 7102 9030 | 182 140 110 | ||
DIA 140 DIA 150 | +4 -3 | 11278 13871 | 88 72 |
3.Production process:
Trashiness steel
↓ ←Add other materials
Melt by high temperature
↓ ←Inspection
Pour to the mould ← Add soluble glass
↓
Open the mould after cooling
↓
Disconnect the the products by the clout
↓
Coarse grinding
↓
Grinding the angle
↓
Filtrating eligibility products
↓
Two times heat processing
↓
Finished products
4.Features:
(1) 1.HRC: 55-65
2.Dia: 20mm-150mm
3.high hardness
4.good wear resiscance
5.low breakage4.have the SGS and TUV chemcial elements
5. Applied fields:
a) Mines
b) Cement plants
c) Power stations
d) Chemical industry
