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 Grinding Balls / Forged Steel balls / Forged Mill Balls
Manufacturer: Jinan Zhongwei Casting And Forging Grinding Ball Co.Ltd
Origin:China
Inquiry: info@zwgrindingball.com
Product Introduction:
forged grinding 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.
Our products range from 20mm to 150mm, 1 inch to 6 inch, and we can also offer all size of products according to clients’ demand.
| Brand | Materials | C | Mn | Si | Cr | S | P | V |
| 1 | C45 Steel | 0.48-0.56 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
|
| 2 | 60Mn | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
|
| 3 | 65Mn | 0.60-0.70 | 0.90-1.2 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
|
| 4 | B2 Steel | 0.70-0.85 | 0.7-0.8 | 0.17-0.37 | 0.20-0.60 | ≤0.030 | ≤0.030 |
|
| 5 | Wear-resistant Alloy | 0.5-0.65 | 0.4-1.0 | 1.4-1.8 | 0.9-1.2 | ≤0.03 | ≤0.03 | 0.1-0.2 |
| Nominal diameter | Diameteical Tolerance | Weight of single ball in average | Surface hardness | Impact toughness |
| (mm) | (mm) | (g) | (HRC) | (j/cm2 ) |
| Φ20 | +2 -1 | 32 | 50-65 | ≥12 |
| Φ25 | +2 -1 | 64 | 50-65 | ≥12 |
| Φ30 | +2 -1 | 110 | 50-65 | ≥12 |
| Φ40 | +2 -1 | 263 | 50-65 | ≥12 |
| Φ50 | +2 -1 | 513 | 50-65 | ≥12 |
| Φ60 | +3 -2 | 888 | 50-65 | ≥12 |
| Φ70 | 1410 | |||
| Φ80 | 2104 | |||
| Φ90 | 2996 | |||
| Φ100 | 4110 | |||
| Φ110 | +4 -2 | 5457 | 45-65 | |
| Φ120 | 7102 | |||
| Φ130 | 9030 | |||
| Φ140 | +4 -3 | 11278 | ||
| Φ150 | 13871 |
1 ) forged grinding ball has high hardness: surface hardness to 58-65HRC, volume hardness of 57-64HRC
2 ) impact toughness high: impact toughness more than 12J / cm2.
3 ) broken rate is low: the actual broken rate is not higher than 1%.
4 ) loss of forged grinding ball round rate is low.
5 ) dropping test in 8m high tester for more than 20,000 times.
1) Raw material testing 2) Mixture 3) Heating 4) Forged hot rolled 5) Heat treatment 6) Testing 7) Storage
