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High quality 20mm to 150mm Forged steel ball supplier and low price
Our products having been produced strictly according to the ISO9001:2015 quality standard and are mainly used in mines, cement plants, building materials, power stations, chemical industry and steel mills, Well sold across China and exported to the United States, Chile, the UK, Brazil, South Africa, Australia, South Korea, India, Russia, Mexico, Malaysia, Laos, Vietnam and other dozens of countries and regions, our products got highly appreciated by our customers.
FORGED STEEL BALL
Carbon steel grinding ball is the most commonly used one. Widely used in mines, power plants, chemical plants and mill factory’s large ball mill. Diameter is 20-150mm. And we can also customize all size of products according to clients’ demand. The main products performance as follow:
Chemical Composition | C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) | |
0.42-0.50 | 0.17-0.37 | 0.5-0.8 | ≤0.25 | ≤0.25 | ≤0.3 | ≤0.035 | ≤0.035 | ||
Size | 20-150mm(0.8inch-6inch) | ||||||||
Hardness | Serious | Hardness | |||||||
Standard Hardness | 48-53HRC | ||||||||
High Hardness | 55-60HRC | ||||||||
Impact Value | ≥12J/CM^2 | ||||||||
Balls Number | ≥12000times | ||||||||
Microstructure | M+C(C-Carbide M-Martensite ) |
production line
Semi automatic production line of hot forging steel ball
Raw material→furnace heating→cutting and forging→enter into rolling ball machine→Isothermal system→quenching system→steel ball sweltering self tempering device→finished product steel ball