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| Customization: | Available |
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| Material: | High Manganese Steel |
| Content: | >90% |
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Introduction of the Forged steel balls
Jinan Junda Industrial Technology is a manufacturer specializing in optimized product solutions for mineral processing.
Our grinding balls are characterized by uniform hardness, superior wear resistance, high impact toughness, and low breakage rate, supported by advanced manufacturing equipment and a scientific production process.
In addition, we benefit from the expertise of our professional team and a strong presence in major global markets.
We continuously integrate new technologies and are well-prepared to adapt to the evolving demands of the dynamic global environment.
We are also committed to understanding our customers' needs firsthand, striving to achieve absolute customer satisfaction.
Our forged steel balls are made from high-quality carbon and alloy steels. Through the air hammer forging process, they achieve higher density and strength, offering enhanced impact resistance during grinding, while the forging process ensures a precise spherical shape.
TECHNICAL PARAMETERS OF FORGING STEEL BALL
| Technical parameters of forging steel ball | ||||||||||||
| Inch | Size | T weight | Tolerance(mm) | Material | Surface hardness(HRC) | Volume hardness(HRC) | ||||||
| 3/4" | D20mm | 0.037+/-0.005 | 2+/-1 | B2 | 63-66 | 63-66 | ||||||
| 1" | D25mm | 0.072+/-0.01 | 2+/-1 | B2 | 63-66 | 63-66 | ||||||
| 11/4" | D30mm | 0.13+/-0.02 | 2+/-1 | B2 | 63-66 | 63-66 | ||||||
| 11/2" | D40mm | 0.30+/-0.04 | 2+/-1 | B2 | 62-66 | 62-66 | ||||||
| 2" | D50mm | 0.6+/-0.05 | 2+/-1 | B2 | 62-65 | 61-64 | ||||||
| 21/2" | D60mm | 1.0+/-0.05 | 2+/-1.5 | B2 | 62-65 | 60-62 | ||||||
| 21/2" | D65mm | 1.3+/-0.05 | 2+/-1.5 | B2 | 61-64 | 60-62 | ||||||
| 21/2" | D65mm | 1.3+/-0.05 | 2+/-1.5 | B3 | 61-63 | 60-62 | ||||||
| 3" | D75mm | 2.0+/-0.06 | 3+/-2 | B3 | 61-63 | 60-62 | ||||||
| 3"(Hot rolled) | D80mm | 2.0+/-0.06 | 3+/-2 | B3 | 60-63 | 60-62 | ||||||
| 3"(Forged) | D80mm | 2.1+/-0.06 | 3+/-2 | B3 | 60-62 | 53-57 | ||||||
| 31/2" | D90mm | 3.0+/-0.07 | 3+/-2 | B3 | 60-63 | 59-62 | ||||||
| 4" | D100mm | 4.1+/-0.15 | 3+/-2 | B3 | 60-63 | 59-62 | ||||||
| 4.5" | D115mm | 6.3+/-0.15 | 3+/-2 | B3 | 60-63 | 57-60 | ||||||
| 5" | D125mm | 8.1+/-0.3 | 3+/-2 | B3 | 59-62 | 55-60 | ||||||
| Chemical composition | C% | Si% | Mn% | Cr% | P% | S% | Ni% | |||||
| B2 | 0.72-1.03 | 0.15-0.35 | 0.3-1.2 | 0.2-0.6 | ≤0.035 | ≤0.035 | i≤0.25 | |||||
| B3 | 0.53-0.88 | 1.2-2.00 | 0.50-1.20 | 0.7-1.20 | ≤0.035 | ≤0.035 | i≤0.25 | |||||
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