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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17mm - 140mm Mining Grinding Steel Balls High Chrome Cast Media
Feature
1) High Hardness: Surface hardness: HRC60-68 HRC.
2) High Impact Toughness: The impact toughness of our grinding balls is more than 12 J / cm2.
3) Low Broken Rate: the actual broken rate is not higher than 1%.
4) High wear resistant and lower wear rate.
Chemical Composition And Hardness
|
Material | 25mm-50mm HRC | 60mm-70mm HRC | 80mm-90mm HRC | |||
| Surface | Core | Surface | Core | Surface | Core | |
| Special 1: Cr 20 | 60-64 | 59-63 | 60-64 | 58-62 | 60-64 | 57-61 |
| Special 2: Cr15 | 58-62 | 57-61 | 58-62 | 56-60 | 58-62 | 50-59 |
| High-Cr: Cr 10 | 58-62 | 57-61 | 58-62 | 56-60 | 58-62 | 50-59 |
| Medium-Cr: Cr5-8 | 45-48 | 44-47 | 45-48 | 43-46 | 45-48 | 42-45 |
| Low-Cr: Cr1-1.5 | 42-46 | 41-45 | 42-46 | 40-44 | 42-46 | 39-43 |
Our Advantages
1. Jinan Zhongwei has 18 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
Production Line:
Raw material chemical composition and optional proportion-- Melting and pouring-- Oil quenching--
Temper-- Polishing
High Chrome Cast Ball Samples:
Packing Details:
1000kgs in a bag or 850-900kgs in a steel drum, then 25 tons in a 20GP Container
Steel Drums with Pallet:
Big Bags: