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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
25mm Grinding Ball Production for Iron Ore Mine
25mm Grinding Ball Production For Iron Ore Mine Introduction DONGBANG brand 25mm grinding ball production for iron ore mine, your best choice for iron ore mine production, which can help you to reduce ball consumption and increase iron ore output. Technical Datas Application: 25mm Grinding Ball...
25mm Grinding Ball Production For Iron Ore Mine Introduction
DONGBANG brand 25mm grinding ball production for iron ore mine, your best choice for iron ore mine production, which can help you to reduce ball consumption and increase iron ore output. 
Technical Datas
Application: 25mm Grinding Ball Production For Iron Ore Mine
25mm Grinding Ball Production For Iron Ore Mine:
| Certification | ISO9001, ISO14001, OHSAS18001 etc. |
Original | Jiangsu, China |
Price | Negotiable |
Payment term | TT, LC |
Delivery date | Negotiable |
Packing | ton bag or Iron drum |
Major Market: Middle East/ Africa/Asia/South America/Europe/North America
MOQ: 50 tons each size(2x20’GP)
Raw material: Alloy Steel rod
Performance
| Steel Rod Type: B2, Chemical Comments | |||||
C | Si | Mn | P | S | Cr |
0.76-0.82 | 0.17-0.35 | 0.72-0.80 | ≤0.020 | ≤0.015 | 0.50-0.60 |
Ni | Cu | Mo | Alt | V | |
≤0.25 | ≤0.20 | 0.020-0.050 | |||
25mm-30mm Grinding Ball Production For Iron Ore Mine Quality Performance | |||||
Ball Size | Surface Hardness | Core Hardness | Volume Hardness | ||
25mm | 63-64 HRC | 62-63 HRC | 62-64 HRC | ||
30mm | 63-64 HRC | 62-63 HRC | 62-64 HRC | ||
20-30mm Grinding Ball Production Method: Hot rolling | |||||
Steel Rod Type: B2, Chemical Comments | |||||
C | Si | Mn | P | S | Cr |
0.76-0.82 | 0.17-0.35 | 0.72-0.80 | ≤0.020 | ≤0.015 | 0.50-0.60 |
Ni | Cu | Mo | Alt | V | |
≤0.25 | ≤0.20 | 0.020-0.050 | |||
40mm-50mm Grinding Ball Quality Performance | |||||
Ball Size | Surface Hardness | Core Hardness | Volume Hardness | ||
40mm | 62-64 HRC | 61-63 HRC | 61-64 HRC | ||
50mm | 61-64 HRC | 60-63 HRC | 60-63 HRC | ||
40-50mm Grinding Ball Production method: Hot rolling | |||||
Steel Rod Type: B3, Chemical Comments | |||||
C | Si | Mn | P | S | Cr |
0.61-0.65 | 1.73-1.80 | 0.73-0.80 | ≤0.020 | ≤0.015 | 0.80-0.88 |
Ni | Cu | Mo | Alt | V | |
≤0.25 | ≤0.20 | ||||
60-90mm Grinding Ball Quality Performance | |||||
Ball Size | Surface Hardness | Core Hardness | Volume Hardness | Impact Toughness | |
60mm | 61-63 HRC | 59-61 HRC | 59-62 HRC | ≥14 J/CM2 | |
70mm | 61-63 HRC | 59-61 HRC | 59-62 HRC | ≥16 J/CM2 | |
80mm | 61-63 HRC | 59-61 HRC | 59-62 HRC | ≥18 J/CM2 | |
90mm | 61-63 HRC | 59-61 HRC | 59-62 HRC | ≥20 J/CM2 | |
60-90mm Grinding ball Production Method: Hot rolling | |||||
Steel Rod Type: B3, Chemical Comments | |||||
C | Si | Mn | P | S | Cr |
0.61-0.65 | 1.73-1.80 | 0.73-0.80 | ≤0.020 | ≤0.015 | 0.80-0.88 |
Ni | Cu | Mo | Alt | V | |
≤0.25 | ≤0.20 | ||||
100-125mm Grinding Ball Quality Performance | |||||
Ball Size | Surface Hardness | Core Hardness | Volume Hardness | Impact Toughness | |
100mm | 60-62 HRC | 58-60 HRC | 58-62 HRC | ≥22 J/CM2 | |
120mm | 60-62 HRC | 58-60 HRC | 58-62 HRC | ≥24 J/CM2 | |
125mm | 60-62 HRC | 58-60 HRC | 57-61 HRC | ≥26 J/CM2 | |
100-125mm Grinding Ball Produciton Method: Quick hammer + rolling | |||||
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