Specifications
casting steel ball for grinding machine1: diameter: 20~150mm
2: Unbreakable:0.5MAX
3: material: steel
4: ISO9001:2008
casting steel ball for grinding machine
Specifications
Even hardness
Grinding resistant
High impact value
High combined efficiency
Applied fields:
a) Mines
b) Cement plants
c) Power stations
d) Chemical industry
Type and Chemical Composition of Chrome Grinding Ball
Item | Designation | C | Si | Mn | Cr | S | P | Mo |
High-Cr-Ball | JCCr20 | 2.0-3.2 | ≤1.0 | ≤1.5 | 19-22 | ≤0.08 | ≤0.06 | ≤1.0 |
| JCCr17 | 2.0-3.2 | ≤1.0 | ≤1.5 | 15-18 | ≤0.08 | ≤0.06 | ≤1.0 |
| JCCr11 | 2.0-3.2 | ≤1.0 | ≤1.5 | 10-13 | ≤0.08 | ≤0.06 | ≤1.0 |
Low-Cr-Ball | JCCr2-6 | 2.0-3.5 | ≤1.0 | ≤1.5 | 1.5-3.5 | ≤0.08 | ≤0.06 | ≤1.0 |
Mechanical properties
Item | Brand | Surface hardness | Endurance impact test(times) | |
Quenched | Unquenched | |||
High chrome casting iron ball | JCCr20 | >=56 | >=45 | >=8000 |
High chrome casting iron ball | JCCr15 | >=56 | >=45 | >=8000 |
High chrome casting iron ball | JCCr13 | >=56 | >=49 | >=8000 |
Middle chrome casting iron ball | JCCr7 | -- | >=48 | >=8000 |
Low chrome casting iron ball | JCCr2 | -- | >=45 | >=8000 |
Bainite ductile casting iron ball | JCSi3 | >=50 | -- | >=8000 |
Package : 1 .woven bag
2 .iron drum
