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Grinding media steel balls
1. Chemical Composition
| Chemical Composition% | ||||||||||||
C | Si | Mn | Cr | Mo | Cu | Ni | P | S | |||||
Cr10 | 1.8-3.2 | 0.3-1.2 | ≤1.2 | 10-13 | ≤0.1 | ≤0.1 | a little | a little | a little | ||||
Cr>10 | Varies according to the requirements | ||||||||||||
Cr0.3-2.0 | 1.8-3.5 | ≤1.4 | ≤1.2 | 0.3-2.0 | a little | a little | a little | a little | a little | ||||
Cr2-7 | 2.0-3.2 | ≤1.2 | 0.5-1.5 | 2.0-7.0 | a little | a little | a little | a little | a little | ||||
2. Mechanical Properties
| Mechanical Properties | |||||
| Surface Hardness | AK(J/cm²) | Microstructure | Wear Rate | Breaking Rate | Times of falling ball |
Cr≥10 | 56-68HRC | ≥2.5 | M+C | 25gr/t.m | <1% | ≥10000 |
Cr<10 | 45-57HRC | ≥1.6 | P+C | 80gr/t.m | <1% | ≥8000 |
C-Carbide P-Pearite M-Martensite | ||||||
3. Specification
specification | kg/pcs | pcs/ton |
25mm | 0.11 | 9091 |
30mm | 0.257 | 3891 |
40mm | 0.50 | 2000 |
50mm | 0.867 | 1153 |
60mm | 1.37 | 729 |
70mm | 2.05 | 487 |
80mm | 2.90 | 345 |
90mm | 4.00 | 250 |
100mm | 5.30 | 188 |
110mm | 6.80 | 147 |
120mm | 7.75 | 129 |
130mm | 8.74 | 114 |
4,Additional information
(1)package:iron drum(850-920kg per drum) or bag ton(1000kg per bag)
(2)applied:mine;cement plant;power station;chemical industry;etc
(3)production ability:36,000 ton per year
(4)delievery time:It mainly depends on the quantity
5,Photos
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Grinding media steel balls