Contact Us
+86-510-80683069
+86-510-80683869
sales@mascot-metal.com
No.588 RenMin Road JiangYin.
Our products range from 20mm to 150mm, 1 inch to 6 inch, and we can also offer all size of products according to clients¡¯ demand.
1.Features:
1) forged grinding ball has high hardness: surface hardness to 58-65HRC, volume hardness of 57-64HRC
2) impact toughness high: impact toughness more than 12J / cm2.
3) broken rate is low: the actual broken rate is not higher than 0.5%.
4) loss of forged grinding ball round rate is low.
5) dropping test in 8m high tester for more than 20,000 times.
2.Technical Parameters:
2.1 dimension and tolerance:
1.The diameter,tolerance, and roundness of the grinding ball should meet the define of
| defined diameter,mm | tolerance,mm | roundness,% |
|---|---|---|
| ¦µ20¡«¦µ30 | +1.5¡«-1.0 | ¡Ü2 |
| ¦µ30¡«¦µ70 | +2.0¡«-2.0 | ¡Ü2 |
| ¦µ70¡«¦µ150 | +3.0¡«-2.0 | ¡Ü3 |
2.The steel grade and chemical consistent of the steel grinding ball should be as table
| grade | chemical consistent |
|---|---|
| XCQ6001¡«XCQ6010 | the chemical consistent should be defined by the supplier according to the steel grinding ball. |
| XCQ5501¡«XCQ5510 | |
| XCQ5201¡«XCQ5210 | |
3 mechanical specifications should meet the requirement of Table 3
| grade | diameter£¨mm£© | impact test£¨AK,J£© | Life time of falling down impact test (falling times) | £¨HRC£©hardness | ||
|---|---|---|---|---|---|---|
| Average surface hardness | Average corn hardness | Average volume hardness | ||||
| XCQ6001¡«XCQ6010 | 20-50 | / | / | 60-66 | ¡Ý54 | ¡Ý60 |
| £¾50-70 | ¡Ý12 | ¡Ý20000 | 60-66 | ¡Ý54 | ¡Ý58 | |
| £¾70-150 | ¡Ý12 | ¡Ý20000 | 60-66 | ¡Ý52 | ¡Ý56 | |
| XCQ5501¡«XCQ5510 | 20-50 | / | / | 55-60 | ¡Ý50 | ¡Ý55 |
| £¾50-70 | ¡Ý12 | ¡Ý20000 | 55-60 | ¡Ý50 | ¡Ý53 | |
| £¾70-150 | ¡Ý12 | ¡Ý20000 | 55-60 | ¡Ý48 | ¡Ý51 | |
| XCQ5201¡«XCQ5210 | 20-50 | / | / | 52-58 | ¡Ý42 | ¡Ý52 |
| £¾50-70 | ¡Ý12 | ¡Ý20000 | 52-58 | ¡Ý42 | ¡Ý50 | |
| £¾70-150 | ¡Ý12 | ¡Ý20000 | 52-58 | ¡Ý40 | ¡Ý48 | |
| XCQ4501¡«XCQ4510 | 20-50 | / | / | 45-50 | ¡Ý38 | ¡Ý40 |
| £¾50-70 | ¡Ý12 | ¡Ý20000 | 45-50 | ¡Ý35 | ¡Ý40 | |
| £¾70-150 | ¡Ý12 | ¡Ý20000 | 45-50 | ¡Ý35 | ||