Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd
Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd 18 Years focus on development and production of grinding media Casting quality with strength, Forging glory with integrity
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The steel ball is used for grinding in the mine ,Grinding resistance, low crushing rate
About Us
Ji 'nan zhongwei is a professional manufacturer and seller of cast and forged steel balls. Our products are exported to Japan, South Korea, South Africa, Zambia, Malaysia, the Philippines, Indonesia, Mongolia, Australia, Saudi Arabia, Chile and other countries and regions,Committed to providing quality products and services for domestic and foreign customers
Main products :forged steel ball,hot rolled steel ball ,cast iron ball ,grinding rod, cylpebs
Forged ball chemical and hardness:
| Material | Chemical elements | ||||
| C | Si | Mn | P/S | Cr | |
| B2 | 0.72-0.85 | 0.17-0.37 | 0.7-1.0 | ＜0.04 | 0.4-0.6 |
| 60Mn | 0.55-0.65 | 0.17-0.37 | 0.7-1.0 | ＜0.04 | ＜0.25 |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | ＜0.035 | ≤0.25 |
| B3 | 0.58-0.66 | 1.6-1.9 | 0.65-0.8 | ＜0.025 | 0.7-0.9 |
|
Material
|
25mm-50mm HRC |
60mm-90mm HRC |
100mm-125mm HRC
| |||
| Surface | Core | Surface | Core | Surface | Core | |
| B2 | 60-65 | 58-62 | 58-63 | 50-55 | 56-60 | 40-45 |
| 60Mn | 58-63 | 55-60 | 58-63 | 40-45 | 56-60 | 30-35 |
| 45# | 55-58 | 45-55 | 55-58 | 30-35 | 50-55 | 25-30 |
| B3 | 60-65 | 58-63 | 58-62 | 56-60 | ||
Cast Iron Ball chemical and hardness:
|
Material | 25mm-50mm HRC | 60mm-70mm HRC | 80mm-90mm HRC | |||
| Surface | Core | Surface | Core | Surface | Core | |
| Special Cr1:＞20 | 60-64 | 59-63 | 60-64 | 58-62 | 60-64 | 57-61 |
| Special Cr2:＞15 | 58-62 | 57-61 | 58-62 | 56-60 | 58-62 | 50-59 |
| High Cr:＞10 | 58-62 | 57-61 | 58-62 | 56-60 | 58-62 | 50-59 |
| Medium Cr:≥5 | 45-48 | 44-47 | 45-48 | 43-46 | 45-48 | 42-45 |
| Low Cr:1-1.5 | 42-46 | 41-45 | 42-46 | 40-44 | 42-46 | 39-43 |
Our Advantages
1.Jinan Zhongwei has 20 years production experience and complete purchasing ,testing,service system ,
2.We keep continuous adjustment and improvement according to the customer’s requirement at the last 10 years.
3.On the basis of satisfied customer’s 50,000 tons demand, Jinan Zhongwei has more 50,000 tons to 70,000 tons production capacity for the new cooperative partner.
4.Stable price system - 12 months price validity
5.Payment terms ( Negotiate)
Packing
Steel drum (800-950kg per drum) &Container Bag (1000kg per bag)
FAQ
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