1.Chemical composition:
Item | brand | Chemiacal clements | ||||||||
|
| C | Si | Mn | Cr | Mo | Cu | Ni | P | S |
High chrome casting iron ball | JCCr20 | 2.0-3.0 | ≤1.0 | 0.5-1.5 | 18-22 | 0-2.5 | 0-1.2 | 0-1.5 | ≤0.10 | ≤0.10 |
High chrome casting iron ball | JCCr15 | 2.0-3.0 | ≤1.0 | 0.5-1.5 | 14-17 | 0-.30 | 0-1.0 | 0-1.5 | ≤0.10 | ≤0.10 |
High chrome casting iron ball | JCCr13 | 2.0-3.0 | ≤1.0 | 0.5-1.5 | 11-14 | 0-1.0 | 0-2.0 | 0-1.5 | ≤0.10 | ≤0.10 |
Middle chrome casting iron ball | JCCr7 | 2.1-3.2 | 0.5-2.2 | 0.5-1.5 | 6-10 | 0-1.0 | 0-0.8 | 0-1.5 | ≤0.10 | ≤0.10 |
Low chrome casting iron ball | JCCr2 | 2.2-3.6 | ≤1.2 | 0.5-1.5 | 1.0-3.0 | 0-1.0 | 0-0.8 | —— | ≤0.10 | ≤0.10 |
Bainite ductile casting iron ball | JCSi3 | 3.2-3.8 | 2.0-3.5 | 2.0-3.5 | 2.0-3.0 | —— | —— | —— | ≤0.10 | ≤0.03 |
2.Sizes of Casted Balls
Item | Sizes | |||||||||||||
Φ17 | Φ20 | Φ25 | Φ30 | Φ40 | Φ50 | Φ60 | Φ70 | Φ80 | Φ90 | Φ100 | Φ110 | Φ120 | Φ130 | |
Tolerance | +1.0 | +2.0 | +3.0 | +3.5 | ||||||||||
-1.0 | -1.0 | -1.0 | -1.5 | |||||||||||
Difference Between the Max & the Min Dia. | ≤1.0 | ≤2.0 | ≤3.0 | ≤4.0 | ||||||||||
