Audited Supplier
diameter 20-150mm
JIS, GB, DIN, BS, ASTM, AISI
Loader, Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant, Coal Yard
Steel
Grinding Ball
Chemical, Mines, Cement/ Power Plant, Ball Mill
<1%
>12ak.J/Cm2
55-65HRC
Quenching+Tempering
TUV ISO 9001 / ISO14001 / ISO45001 / SGS
Free Samples
M+C
JINCHI
Bags or Steel Drum
Diameter 20-150mm
Shandong, China
7326110000
Product Description
Forged Grinding Media Ball/Grinding Media for Mine
DESCRIPTION
1. Grade: B2, B3, 45#, 50Mn, 60Mn, 65Mn, B2, B3, B6, BU
2. Diameter: 20mm-150mm
3. Hardness: 55-65HRC
4. Breakage Rate: <1%
5. Impact Value: >12j/Cm^2
6. Endurance impact test times: ≥20000s
7. Uniform hardness, high wear resistance, high impact value
Forged Grinding Media Steel Ball Chemical Composition:
| 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 |
Specification of Forged Grinding Media Steel Ball:
| Diameter(mm) | Diameter Tolerance(mm) | Surface Hardness(HRC) | Impact Toughness(j/cm2) |
| Φ20 | +2, -1 | >60HRC | ≥12j/cm2 |
| Φ25 | |||
| Φ30 | |||
| Φ40 | |||
| Φ50 | |||
| Φ60 | +3, -2 | ||
| Φ70 | |||
| Φ80 | |||
| Φ90 | |||
| Φ100 | +4, -2 | ||
| Φ110 | |||
| Φ120 | >58HRC | ||
| Φ130 | |||
| Φ140 | +4, -3 | >55HRC |
Our Products:
Our Factory:
Shandong Jinchi Heavy Industry Joint-stock Co., LTD is a distinguished leader in the creation of forged and hot rolled grinding balls, grinding steel rods, and grinding cylpebs. With a rich legacy of 28 years in China and an impressive annual output surpassing 100,000 tons, we boast 8 state-of-the-art forging and automatic rolling production lines ready to fulfill even the most complex customer demands.
Shandong Jinchi proudly holds a suite of international and industrial certifications, including TUV ISO900, ISO14001, and ISO45001, while also being doubly certified by SGS and BV as a top-tier manufacturing entity. Our cutting-edge laboratory, furnished with sophisticated testing equipment such as spectrometers, hardness testers, drop testers, and impact testers, guarantees quality control and traceability from raw materials to finished products.
Our esteemed clientele extends across Southeast Asia, Africa, and Latin America, reaching over 40 countries. We maintain excellent business relationships with prominent mining companies globally, along with cement plants, thermal power plants, and chemical plants, garnering favorable accolades from all.
Packaging:
Testing Equipment:
Delivery:
FAQ
Q1: What is the advantage of your company?
A: As seasoned steel ball manufacturers, we bring 28 years of production expertise to the table.
Q2. In which countries are your products sold?
A: Our products are embraced in Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Cote d'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, Australia, and beyond. We also have branch offices in Australia.
Q3: Are you trading company or manufacturer?
A: We are a factory.
Q4: How long is your delivery time?
A: Typically, our delivery time is 10-15 days, contingent upon order quantity.
Q5: Do you provide samples? Is it free or extra?
A: Certainly, we offer samples free of charge, though the freight cost is not covered.
Q6: What are your terms of payment?
T/T (30% in advance, 70% against copy of B/L);
OR L/C (100% Irrevocable letter of credit at sight)
