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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Product Name:Forged Mill Balls
Manufacturer: Jinan Zhongwei Casting And Forging Grinding Ball Co.Ltd
Origin:China
Product Details:
forged Mill balls commonly used low-carbon alloy, high manganese steel,
high carbon and high manganese alloy steel.
On the basis of these material Jinan Zhongwei has developed a series of competitive
and efficient patent forged grinding balls.
2 . Technical Parameters
| Nominal Diameter(mm) | Dimensional Tolerance(mm) | Roundness % |
| Φ20 |
|
|
| Φ25 | ||
| Φ30 | ±2 | ≤2.0 |
| Φ35 | ||
| Φ40 | ||
| Φ50 | ||
| Φ60 | ||
| Φ70 | +3,-2 | ≤3.0 |
| Φ75 | ||
| Φ80 | ||
| Φ90 | ||
| Φ100 | +4,-3 | ≤4.0 |
| Φ120 | ||
| Φ125 | ||
| Φ130 | ||
| Φ150 | +5,-4 | ≤5.0 |
3 . Inspection Process
1) Surface quality inspection 2) Dimensional inspection 3) Low magnification analysis
4) Dye penetrant inspection 5) Metallographic test
4 . Production Process of Forged Mill Ball
ball mill balls commonly used low-carbon alloy, high manganese steel,High Chrome steel.
To ensure the good quality,stable hardness,low breakage rate,
Jinan zhongwei order all the raw material from national large steel mill-Laiwu steel group.
| TYPE | Name | C | Mn | Si | Cr | S | P | V |
| ZW-1 | 50Mn | 0.48-0.56 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
|
| ZW-2 | 60Mn | 0.57-0.65 | 0.7-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
|
| ZW-3 | 65Mn | 0.60-0.70 | 0.9-1.2 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
|
| ZW-4 | B2 | 0.7-0.85 | 0.7-0.8 | 0.17-0.37 | 0.2-0.7 | ≤0.03 | ≤0.03 |
|
| ZW-5 | 75SiMn | 0.7-0.90 | 0.7-1.2 | 0.4-0.8 | ≤0.25 | ≤0.03 | ≤0.03 |
|
| ZW-6 | Wear- | 0.5-0.65 | 0.4-1.0 | 1.4-1.8 | 0.9-1.2 | ≤0.03 | ≤0.03 | 0.1-0.2 |
Forged Mill Ball Package :
For Container Bag, Net weight 1000Kgs ,Gross Weight 1002KGS ,Measurement 0.4CBM
For Steel Drums ,Net weight 850-950Kgs ,Gross Weight 865-965KGS ,Measurement 0.3CBM
Port of loading:Qingdao Port,China
Delivery time : Normally 2-3 weeks after down payment received.
Partial shippment allowed,
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