| Customization: | Available |
|---|---|
| Standard: | JIS, GB, DIN, BS, ASTM, AISI |
| Application: | Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant |
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1. Grade: Premium steel grades including 45#,50Mn,60Mn,65Mn,B2,B3,BL,BG, exemplifying excellence in composition.
2. Diameter: Available in a versatile range from 20mm to 150mm, catering to diverse industrial needs.
3. Hardness: Impressive hardness rating of HRC 55-65, ensuring superior durability and performance.
4. Breakage Rate: Exceptionally low breakage rate of less than 1%, setting industry standards.
5. Impact Value: Outstanding impact value exceeding 12j/Cm^2, guaranteeing resilience under pressure.
6. Falling Ball Times: Remarkable endurance with falling ball times equal to or exceeding 20,000 seconds.
| Materials | C% | Si% | Mn% | P% | S% | Cr% |
| B2 | 0.70-0.85 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | 0.4-0.6 |
| B2-1 | 0.55-0.70 | 0.15-0.30 | 0.65-0.85 | ≤0.020 | ≤0.020 | 0.70-1.10 |
| High Carbon B2 | 0.85-1.10 | 0.15-0.45 | 0.40-1.20 | ≤0.035 | ≤0.035 | 0.20-1.10 |
| B3 | 0.58-0.66 | 1.70-1.90 | 0.68-0.80 | ≤0.030 | ≤0.030 | 0.78-0.90 |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | ≤0.035 | ≤0.035 | 0.25max |
| B4 | 0.65-0.75 | 1.20-1.40 | 0.50-0.70 | ≤0.025 | ≤0.025 | 0.85-1.00 |
| B6 | 0.75-0.90 | 0.17-0.37 | 0.8-1.02 | ≤0.035 | ≤0.035 | 0.88-0.98 |
| B6-1 | 0.82-0.90 | 0.15-0.35 | 0.90-1.05 | ≤0.020 | ≤0.020 | 0.88-0.98 |
| BU | 0.95-1.05 | 0.15-0.35 | 0.95-1.05 | ≤0.025 | ≤0.025 | 0.45-0.55 |
| 1090 | 0.90-1.10 | 0.17-0.37 | 0.60-0.90 | ≤0.025 | ≤0.025 | ≤0.025 |
| 42CrMo | 0.38-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.90-1.20 |
| 40Cr | 0.37-0.45 | 0.20-0.40 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.80-1.10 |
| 65MN | 0.62-0.70 | 0.17-0.37 | 0.90-1.20 | ≤0.035 | ≤0.035 | ≤0.25 |
| 60MN | 0.57-0.65 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 |
| 50MN | 0.48-0.56 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 |
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) | |
| Φ20 | +2, -1 | >60HRC | ≥12 | |
| Φ25 | ||||
| Φ30 | ||||
| Φ40 | ||||
| Φ50 | ||||
| Φ60 | +3, -2 | |||
| Φ70 | ||||
| Φ80 | ||||
| Φ90 | ||||
| Φ100 | +4, -2 | |||
| Φ110 | ||||
| Φ120 | >58HRC | |||
| Φ130 | ||||
| Φ140 | +4, -3 | >55HRC | ||
| Φ150 |
1. Ocean shipping: Reliable and efficient ocean shipping services for seamless global delivery.
2. Customers designated transportation mode: Flexible options tailored to customer preferences.
3. Packing Details: A. Robust steel drums (850-930kgs/drum) B. Convenient flexible container bags (1 ton/bag)
4. Delivery Details: Swift delivery within 15-20 days post-receipt of payment or Letter of Credit at sight.
Shandong Jinchi Heavy Industry Joint-Stock Co., Ltd. is a distinguished factory specializing in the production of high-quality forged and hot rolled grinding balls, and alloy grinding steel rods. With over a decade of expertise, an impressive annual output of 100,000 tons is achieved through 10 world-class advanced forging and automatic rolling production lines, adeptly meeting our customers' intricate demands.
Shandong Jinchi has earned prestigious international and industry certifications including TUV ISO900, ISO14001, and ISO45001, and is further validated by dual certifications from SGS and BV as a qualified manufacturing entity. Our state-of-the-art laboratory, equipped with cutting-edge testing equipment such as spectrometers, hardness testers, drop testers, and impact testers, ensures meticulous quality control and traceability from raw material intake to production and final shipment.
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