- Mine Mill[1]
- Other Bearing Accessories[1]
- Moulds[9]
- Cast & Forged[10]
Special high chrome alloyed cast grinding balls(ISO9001:2000)
1)High Cr cast balls and cylpebs HRC 58-65
2)low Cr cast balls and cylpebs HRC 47-55
3)applied:mine;cement plant;power staion
1.our main products
high chrome alloyed cast grinding ball
low chrome alloyed cast grinding ball
middle chrome alloyed cast gringding ball
high chrome alloyed cast gringding bar
low chrome alloyed cast grinding bar
low chrome alloyed cast grinding bar
2.Dimation:
cast grinding ball: 8mm ~130mm
3.Hardness
special high chrome: Surface HRC:≥60
4.Applied field
Cement plants,mines ,power station.chemical industry.
5.Chemical composition
Item
|
Chemical composition | |||||||
C | Si | Mn | Cr | Mo | Cu | P | S | |
Low chrome cast grinding ball | 2.0~3.5 | ≤1.2 | ≤1.5 | 0.8~2.0 | ≤1.0 | 0.2~0.5 | ≤0.15 | ≤0.15 |
Middle chrome cast grinding ball | 2.0~3.3 | ≤1.2 | ≤1.8 | 2.0~3.5 | ≤1.5 | 0.2~1.0 | ≤0.15 | ≤0.15 |
High chrome cast grinding ball | 2.0~3.3 | ≤1.0 | ≤2.5 | 10~18 | ≤1.0 | 0.2~1.5 | ≤0.10 | ≤0.10 |
Special high chrome cast grinding ball | 2.0~3.3 | ≤1.0 | ≤2.5 | 22~25 | ≤2.0 | 0.2~1.5 | ≤0.10 | ≤0.10 |
6.Mechanical properties and microstructure examination
ITEM | Mechanical properties | microstructure | |
HRC | Time of falling balls | ||
Low chrome cast grinding ball | ≥45 | ≥8000 | P+C |
Middle chrome cast grinding ball | ≥48 | ≥12000 | P+C |
High chrome cast grinding ball | ≥55 | ≥15000 | M+C |
Special high chrome cast grinding ball | ≥60 | ≥22000 | M+C |
6,photos
