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Jiangyin Dongbang Steel Ball Machinery Co.,Ltd
ADD:NO.42 Hua Lu Road, Huashi Town, Jiangyin City, Jiangsu Province
Tel:86-0510-86370386
Mobile:86-13812104338
Fax:86-0510-86370552
80mm Grinding Ball for Copper Ore Mine Mineral Processing
80mm Grinding Ball For Copper Ore Mine Mineral Processing In troduction “Dongbang” brand 80mm grinding ball for copper ore mine mineral processing, your best choice for your copper ore mine mineral processing, mostly used in ball mills. Our very low breaking rate and even high hardness grinding...
80mm Grinding Ball For Copper Ore Mine Mineral Processing Introduction
“Dongbang” brand 80mm grinding ball for copper ore mine mineral processing, your best choice for your copper ore mine mineral processing, mostly used in ball mills. Our very low breaking rate and even high hardness grinding balls support you to reduce 10-20% for your ball consumption. 
Technical Datas
Application: 80mm Grinding Ball For Copper Ore Mine Mineral Processing, mostly used for different types of ball mills.
Alloy steel grinding ball size range: 25mm to 125mm (1 inch to 5 inches)
Material: High Carbon alloy steel rods
Certification: ISO9001, ISO14001, OHSAS18001 etc.
Original: Jiangyin, Jiangsu, China
Market: Worldwide
Packing: export standard, Iron drum or Ton bag, each bag 1000kgs
Price: Negotiable
Delivery date: Negotiable
MOQ: 50 metric tons per ball size (2x20’GP per size) 
Quality performances of my 80mm Grinding Ball For Copper Ore Mine Mineral Processing, see below lists:
Steel Rod Type: B4, Chemical Comments | |||||
C | Si | Mn | P | S | Cr |
0.66-0.74 | 1.2-1.4 | 0.50-0.70 | ≤0.022 | ≤0.022 | 0.85-1.0 |
Ni | Cu | Mo | Alt | V | |
- | ≤0.40 | - | 0.06-0.13 | 0.05-0.15 | |
60-70mm Grinding Ball For Copper Ore Mine Mineral Processing Quality Performance | |||||
Ball Size | Surface Hardness | Core Hardness | Volume Hardness | Impact Toughness | |
60mm | 61-63 HRC | 58-60 HRC | 59-62 HRC | ≥12 J/CM2 | |
70mm | 61-63 HRC | 58-60 HRC | 59-62 HRC | ≥14 J/CM2 | |
Steel Rod Type: B4, Chemical Comments | |||||
C | Si | Mn | P | S | Cr |
0.66-0.74 | 1.2-1.4 | 0.50-0.70 | ≤0.022 | ≤0.022 | 0.85-1.0 |
Ni | Cu | Mo | Alt | V | |
- | ≤0.40 | - | 0.06-0.13 | 0.05-0.15 | |
80-90mm Grinding Ball For Copper Ore Mine Mineral Processing Quality Performance | |||||
Ball Size | Surface Hardness | Core Hardness | Volume Hardness | Impact Toughness | |
80mm | 61-63 HRC | 58-60 HRC | 59-62 HRC | ≥16 J/CM2 | |
90mm | 61-63 HRC | 58-60 HRC | 59-62 HRC | ≥18 J/CM2 | |
Our successful case
In 2016 season, we get the hornor to help one copper mine owned by China Gold Group, they told us that the 40mm grinding balls have a high ball consumption per ton of copper mine at grinding phase 2, because they know that we had developed our unique and special heat treatment.
