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Application:
High chrome steel balls are widely used in metallurgical mines, cement building materials, thermal power generation, flue gas desulfurization, aerated concrete, magnetic materials, chemical industry, coal water slurry, pellets, slag, ultrafine powder, fly ash, calcium carbonate, quartz sand and other industries.
Structure and Performance:
Item | Unit | Value |
Chrome content | % | 10-13/14-20/20-25/23-29 |
Hardness | HRC | 56~65 |
Microstructure | / | M+C |
Consumption | g/ton | 56-62 |
Chemical Composition:
Cr | C | Si | Mn | Mo | Cu | Ni | P | S |
10-13% | 2.5~3% | ≤1% | 0.3-1.8% | ≤0.5% | ≤0.3% | ≤0.5% | ≤0.1% | ≤0.1% |
14-20% | 2.3-2.9% | / | 0.3-1.8% | ≤0.5% | ≤0.3% | ≤0.5% | / | / |
20-25% | 2.2-2.8% | / | 0.3-1.8% | ≤0.8% | ≤0.4% | ≤1.5% | / | / |
23-29% | 2.2-2.7% | / | 0.3-1.8% | ≤0.1% | ≤0.4% | ≤1.5% | / | / |
Times of falling balls: ≥11000 times | ||||||||
Product performance:
a) Even hardness
b) Unbreakable
c) Grinding resistant
d) High impact value
e) High combined efficiency of grinding mill
f) roundness persistence
Application:
High chrome steel balls are widely used in metallurgical mines, cement building materials, thermal power generation, flue gas desulfurization, aerated concrete, magnetic materials, chemical industry, coal water slurry, pellets, slag, ultrafine powder, fly ash, calcium carbonate, quartz sand and other industries.
Structure and Performance:
Item | Unit | Value |
Chrome content | % | 10-13/14-20/20-25/23-29 |
Hardness | HRC | 56~65 |
Microstructure | / | M+C |
Consumption | g/ton | 56-62 |
Chemical Composition:
Cr | C | Si | Mn | Mo | Cu | Ni | P | S |
10-13% | 2.5~3% | ≤1% | 0.3-1.8% | ≤0.5% | ≤0.3% | ≤0.5% | ≤0.1% | ≤0.1% |
14-20% | 2.3-2.9% | / | 0.3-1.8% | ≤0.5% | ≤0.3% | ≤0.5% | / | / |
20-25% | 2.2-2.8% | / | 0.3-1.8% | ≤0.8% | ≤0.4% | ≤1.5% | / | / |
23-29% | 2.2-2.7% | / | 0.3-1.8% | ≤0.1% | ≤0.4% | ≤1.5% | / | / |
Times of falling balls: ≥11000 times | ||||||||
Product performance:
a) Even hardness
b) Unbreakable
c) Grinding resistant
d) High impact value
e) High combined efficiency of grinding mill
f) roundness persistence
