Grinding ball in Cast &forge
Professional manufacturer of grinding steel balls including casting grinding ball and forged grinding ball.
Details of grinding Ball
1. Size: Dia. 20mm-150mm
2. Material: high/medium/low chrome alloyed
Super High Chrome: 15-23% High Chrome: Cr=10-13% Medium Chrome: Cr=3-6% Low Chrome: Cr=1-3%
3. Characteristics: high hardness, good wear resistant, low breakage, no deformation.
4. Hardness: 45-65HRC; Breakage rate ≤1%; Drop times≥10,000.00
5. Application: cement, metallurgy, mining, electric power, chemical and magnets industries.
6. Function: grinding media.
More Information
grinding Ball Chemical Elements
Name | Chemical Elements (%) | |||||||
C | Si | Mn | Cr | Mo | Cu | P | S | |
Low Cr Balls | 2.1-3.6 | ≤1.5 | 0.3-1.5 | 1-3 | 0-1 | ≤0.8 | ≤0.1 | ≤0.1 |
Middle Cr Balls | 2.0-3.3 | ≤1.2 | 0.3-1.5 | 3-6 | 0-1 | ≤1.2 | ≤0.1 | ≤0.06 |
Normal High Cr | 2.0-3.3 | ≤1.2 | 0.3-1.5 | 10-13 | 0-3 | ≤1.2 | ≤0.1 | ≤0.06 |
Special High Cr | 2.0-3.3 | ≤1.2 | 0.3-1.5 | 15-23 | 0-3 | ≤1.2 | ≤0.1 | ≤0.06 |
grinding Ball Physical Property & Microstructure
Name | HRC | Ak(J/cm2) | Microstructure | Times of Falling Balls | |
Low Cr Balls | ≥45 | ≥2.5 | P+C | ≥10000 | |
Middle Cr Balls | ≥48 | ≥3.0 | P+C | ≤Φ80 | ≥15000 |
≥Φ80 | ≥10000 | ||||
Normal High Cr | ≥58 | ≥4.0 | M+C+A | ≤Φ80 | ≥15000 |
≥Φ80 | ≥10000 | ||||
grinding ball size&weights
Size(mm) | Weight(kg/pc) | Quantity(pc/t) |
| Size(mm) | Weight(kg/pc) | Quantity(pc/t) |
Φ30 | 0.11 | 9091 | Φ90 | 2.90 | 345 | |
Φ40 | 0.25 | 3891 | Φ100 | 4.00 | 250 | |
Φ50 | 0.50 | 2000 | Φ110 | 5.30 | 188 | |
Φ60 | 0.86 | 1153 | Φ120 | 6.80 | 147 | |
Φ70 | 1.37 | 729 | Φ130 | 7.70 | 129 | |
Φ80 | 2.05 | 487 | Φ140 | 8.74 | 114 |
Shanghai Sales Office
Temperature auto controlled electric furnace processing
Chemical analysis machine for IQC and OQC
Auto controlled HEAT TREATMENT equipment
Quenching