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Categories | Grinding Steel Balls |
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Brand Name: | HUAFU |
Model Number: | Dia.20MM-160MM |
Certification: | GB/T 19001-2016/ISO 9001:2015 |
Place of Origin: | China |
MOQ: | 1 Ton |
Price: | $ 760/Mt |
Payment Terms: | L/C, T/T, D/P, D/A |
Supply Ability: | The annual output is 150,000 tons |
Delivery Time: | 2-4 weeks |
Packaging Details: | Bag or iron drum |
Hardness: | 55-65HRC |
Breakage rate: | ≤1% |
Impact value: | ≥18J/cm² |
Drop times: | ≥15000 |
Diameter: | 120mm |
Micro structure: | M+C |
Company Info. |
Jinan Huafu Forging Joint-Stock Co.,ltd. |
Verified Supplier |
View Contact Details |
Product List |
Dia.120mm Special Steel Forged Steel Balls For Semi-Autogenous Mill
Special steel grinding balls
This grinding ball is widely used all over the world. High volume hardness and less wearing. Quality is well accepted by the customers. Please kindly check the following detailed performance.
Chemical Composition | C(%) | Si(%) | Mn(%) | Cr(%) | Cu(%) | Mo(%) | P(%) | S(%) | |
0.70-0.80 | 0.17-0.37 | 0.7-0.8 | 0.5-0.6 | ≤0.25 | ≤0.3 | ≤0.035 | ≤0.035 | ||
Size | 20-150mm(0.8inch-6inch) | ||||||||
Hardness | Serious | Hardness | |||||||
Standard Hardness | 58-63HRC | ||||||||
High Hardness | 62-65HRC | ||||||||
Impact Value | ≥18J/CM^2 | ||||||||
Balls Number | ≥15000times | ||||||||
Microstructure | M+C(C-Carbide M-Martensite ) |
COMPANY ENVIOMENT
Diameter Tolerance(mm) | 20-25mm | 30-60mm | 70-90mm | 100-140mm | 150mm | ||
±1 | ±1.5 | +2,-2 | +2.5,-2 | +3,-2 | |||
Roundness tolerance(%) | ≤1% | ≤1% | ≤1.5% | ≤2% | ≤2% | ||
Forged Steel Ball Production Process | 1) Fully automatic production line of hot rolling steel ball Raw material testing→Material on storage rack→automatic continued feeding device→furnace heating→enter into rolling ball machine→automatic isothermal transfer→quenching system→steel ball heating preservation device→finished steel ball testing→package→transport to warehouse 2)Automatic production line of hot forging steel ball Raw material testing→Material on storage rack→furnace heating→hot cutting→preforging→enter into rolling ball machine →automatic isothermal system transport→quenching system→steel ball heating preservation device→finished steel ball testing→package→transport towarehouse 3)Traditional production line of forged steel ball Raw material testing→Cutting raw material→furnace heating→forging→automatic isothermal system→quenching system→steel ball heating preservation device→finished steel ball testing→package→transport to warehouse |
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