Complaint
Product Description
1) No deformation
2) High hardness Good wear resistant
3) Size:Dia20mm-150mm
4) Breakage<1%
5) Certification: ISO9001,SGS.
Material | Chemical elements | Hardness | |||||
| C | Si | Mn | S | P | Cr | HRC | |
| Special Cr1 | 2.0-3.0 | <1.0 | 0.5-2.0 | ≤0.06 | ≤0.08 | >20 | 58-64 |
| Special Cr2 | 2.0-3.0 | <1.0 | 0.5-2.0 | ≤0.06 | ≤0.08 | >15 | 58-64 |
| High Cr | 2.0-3.2 | <1.0 | 0.5-2.5 | ≤0.06 | ≤0.08 | >10 | 58-62 |
| Medium Cr | 2.0-3.2 | <1.0 | 0.5-2.5 | ≤0.06 | ≤0.08 | ≥5 | 45-48 |
| Low Cr | 2.2-3.4 | ≤1.2 | 0.5-1.5 | ≤0.06 | ≤0.08 | 1.0-1.5 | 42-46 |
Physical Property & Microstructure | |||||
| Name | HRC | Ak(J/cm 2 ) | Microstructure | Times of Falling Balls | |
| Low Cr Balls | ≥45 | ≥2.5 | P+C | ≥10000 | |
| Medium Cr Balls | ≥48 | ≥3.0 | P+C | ≤Φ80 | ≥15000 |
| ≥Φ80 | ≥10000 | ||||
| High Cr Balls | ≥58 | ≥4 | M+C+A | ≤Φ80 | ≥15000 |
| ≥Φ80 | ≥10000 | ||||
| M-Martensite P-Pearliet C-Carbide A-Austenite | |||||
Size(mm) | Weight(kg/pc) | Quantity(pc/t) | Size(mm) | Weight(kg/pc) | Quantity(pc/t) | |
| Φ30 | 0.11 | 9091 | Φ90 | 2.90 | 345 | |
| Φ40 | 0.25 | 3891 | Φ100 | 4.00 | 250 | |
| Φ50 | 0.50 | 2000 | Φ110 | 5.30 | 188 | |
| Φ60 | 0.86 | 1153 | Φ120 | 6.80 | 147 | |
| Φ70 | 1.37 | 729 | Φ130 | 7.70 | 129 | |
| Φ80 | 2.05 | 487 | Φ140 | 8.74 | 114 |
Company Profile
Jinan Zhongwei established in 2000 , we are a leading manufacturer and professional exporter grinding balls in China.
Our company covers an area of 15000 square meters, now we have 150 staff, including 13 technical staff. Annual output is 50000 tons to 80000 tons .
Main products : forged steel ball, cast iron ball ,grinding rod, cylpebs
We have exported to 20 more countries, UAE, Zambia,South Africa, Peru, Chile, Australia, UK, USA, Turkey and so on.
ApplicationL:
1) CEMENTPLANTS,
2) Metal mining in mines
3) power stations
4) Chemical engineering
Advantage
1. Jinan Zhongwei has 16 years production and exporting experience.
2.We keep continuous adjustment and improvement in production according to the customer's requirement at the last 10 years.
3.On the basis of satisfied customer's 50,000 tons/year demand, Jinan Zhongwei has more 30,000 - 50,000 tons/year production capacity for the new cooperative partner.
4.Stable price system - 12 months price validity
5.Payment terms ( Negotiate)
FAQ
1. Can you provide samples for free?
Answer: Yes, Free Sample.
2. Are you a manufacturer or a trading company?
Answer: We are a manufacturer, and we have independent export qualification.
3. What kind of payment you can accept?
Answer: T/T , L/C, Paypal,Western Union
4. How about your quality control?
Answer: 100% check before delivery to ensure the products quality.
5. If I send an inquiry ,when can you reply ?
Answer: Immediately.
6. How about your packing?
Answer:Container bags & Steel drum with wooden pallets or iron pallets
7. Do you have any certificate ?
Answer : ISO9001:2008, SGS and BV inspection or any third party test.
8. How about your delivery time? (25 tons)
Forged balls : 3-5 days after deposit
Cast balls : 5-7 days
