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| Place of Origin: | Jinan city,Shandong province,China |
| Brand Name: | ZW |
| Certification: | ISO9001:2008 |
| Model Number: | 45#,60Mn B2,B3,B6 |
| Minimum Order Quantity: | 1 tons |
|---|---|
| Price: | Negotiable |
| Packaging Details: | container bags ,steel drum |
| Delivery Time: | 5 work days every 25 tons after deposit |
| Supply Ability: | Annual output 50000 tons |
| Product Name: | Sag Mill Grinding Ball | Diameter: | 20-140mm |
|---|---|---|---|
| Material: | B3, B2 | Hardness: | 55-65HRC |
| Broken: | 1% Max | Impact: | More Than 12 |
| Heat Treatment: | Water Quenching | ||
| High Light: | ball mill grinding,grinding steel ball |
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Mining Sag and AG mill special use forged and cast grinding steel balls
Forged Steel ball, Cast Iron Ball, Grinding Rod, Cast 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
|
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| 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 | ||
Production:
1) Traditional Forged
Raw material →Cutting →Heating → Water quenching → Tempering
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 |
Production Line
Raw material chemical composition and optional proportion-- Melting and pouring-- Oil quenching-- Temper-- Polishing
Our Advantages
1.Jinan Zhongwei has 16 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 30,000 tons to 50,000 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)
Contact Person: Mr. Stevin Liu
Address: Lejia,Puji Town,Zhangqiu Jinan city,Shandong Province,China
Factory Address:Lejia,Puji Town,Zhangqiu Jinan city,Shandong Province,China
