High Impact Value Unbreakable 50mm Cast Steel Ball for Copper Mine
Breif Description:
1. Size: Φ20mm-150mm
2. Material: high/medium/low chrome alloyed
Low Chrome: Cr=1-3%,Medium Chrome: Cr=3-9%High Chrome: 15-23% Super High Chrome: Cr=10-13%
3. Characteristics: high hardness, good wear resistant, low breakage, no deformation.
4. Hardness: 45-65HRC; Breakage rate ≤1%; Drop times≥10,000.00
5. Application: cement, metallurgy, mining, electric power, chemical and magnets industries.
Inspection: SGS/BV/TUV
Origin: Shandong Province, China
Specification:
| Type | Chemical components | |||||||
| C | Si | Mn | Cr | Mo | Cu | P | S | |
| Low-Cr | 1.8-3.2 | ≤1.2 | ≤1.5 | 1-4 | ≤1.0 | ≤0.5 | ≤0.15 | ≤0.15 |
| Medium-Cr | 1.8-3.2 | ≤1.2 | ≤1.5 | 4-9 | ≤1.5 | ≤1.0 | ≤0.15 | ≤0.15 |
| High-Cr | 1.8-3.2 | ≤1.2 | ≤1.5 | 10-18 | ≤1.0 | ≤1.5 | ≤0.10 | ≤0.10 |
| Superhigh-Cr | 1.8-3.2 | ≤1.2 | ≤1.5 | 22-25 | ≤2.0 | ≤1.5 | ≤0.10 | ≤0.10 |
Mechanical Properties and Microstructure
| Type | Mechanical properties | Microstructure | ||||||
| HRC | Falling ball times | |||||||
| Low-Cr | ≥45 | ≥8000 | P+C | |||||
| Medium-Cr | ≥50 | ≥12000 | M+C | |||||
| High-Cr | ≥58 | ≥15000 | M+C | |||||
| Superhigh-Cr | ≥60 | ≥22000 | M+C | |||||
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P-Pearlite C-Carbide M-Martensite |
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Raw material test before production
Hardness test Drop Test Impact Test Core pulling Test after production
SGS test before delivery
Certificate: ISO 9001:2008
Packing
1.Bags:1000KG polypropylene bags which are highly resistant to UV rays and secure bag straps to reduce time and effort in loading and unloading.
2.Drums:Recyeled drums can also be supplied. The drums have a removable lid and compression ring for secure storage.Drums are more efficient for some modes of transportation and can also be delivered on wooden pallets.
Shipping:
1.Port of Loading: Qingdao Port,China
2.Partial shippment allowed
3.By DHL/TNT express for samples order.Door to door to delivery;
4.Appointed freight forwarder by customers is acceptable
Our Advantage:
- We are a direct manufacturer,located in the largest production base of forged grinding steel ball in China.We are very pleased to offer you the most competitive price.All products with high quality would pass the third party inspection before shipment.
- The Heat treatment technology is very perfect, especially the tempering process,which increase the hardness of the forging steel ball and nake the product more wear-resisting.
- Our forged steel grinding ball has been exported to Japan,Indonesia,Malaysia and many other countries and have got great reputation from our customer at home and abroad.
- Free Samples Can be Provided.
- If you have any inquiry,pls contact me freely.
Grinding Balls For Mining Contact ( 24 hours on line waiting for your consult)
WE LOOK FORWARD TO THE OPPORTUNITY TO DISCUSS HOW WE CAN BECOME A PARTNER IN YOUR SUPPLY CHAIN SOLUTION .
Grinding Media Contact ( 24 hours on line waiting for your consult):
Email:zhang@grindingballs.net.cn
Skype:xiao627965
WhatsApp:+86 15508621235
