Steel Grinding Media Balls for Mining
Steel grinding media balls for mining, is fit for all type of non-ferrous mines, our avaiable ball size: 25mm to 125mm, average hardness is 59-62HRC upon different ball size.
Steel Grinding Media Balls For Mining Introduction
Steel grinding media balls for mining, is fit for all type of non-ferrous mines, our avaiable ball size: 25mm to 125mm, average hardness is 59-62HRC upon different ball size.
Technical Specifications
Application: Steel Grinding Media Balls For Mining, like Iron Ore, Copper, Gold, Silver, etc, mostly used in ball mill of mineral processing.
Certification: ISO9001, ISO14001, OHSAS18001 etc.
Original: Jiangyin, Jiangsu, China
Price: Negotiable
Delivery date: Negotiable
Payment term: TT, LC
Packing: export standard ton bag or Iron drum
Major Market: worldwide
MOQ: 50 tons (2x20'GP)
Raw material: Carbon alloy steel rod 
Detailed quality performance
Steel rod supplier: Chinese local top famous steel mill
Steel rod choices: B2/B3
| 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 | |||
Steel Grinding Media Balls For Mining Quality Performance | |||||
Ball Size | Surface Hardness | Core Hardness | Volume Hardness | ||
25mm | 62-63 HRC | 61-62 HRC | 61-63 HRC | ||
30mm | 62-63 HRC | 61-62 HRC | 61-63 HRC | ||
40mm | 61-63 HRC | 60-62 HRC | 60-63 HRC | ||
50mm | 61-63 HRC | 60-62 HRC | 60-62 HRC | ||
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 | ||||
Steel Grinding Media Balls Quality Performance | |||||
Ball Size | Surface Hardness | Core Hardness | Volume Hardness | Impact Toughness | |
60mm | 60-62 HRC | 58-60 HRC | 58-61 HRC | ≥14 J/CM2 | |
70mm | 60-62 HRC | 58-60 HRC | 58-61 HRC | ≥16 J/CM2 | |
80mm | 60-62 HRC | 58-60 HRC | 58-61 HRC | ≥18 J/CM2 | |
90mm | 60-62 HRC | 58-60 HRC | 58-61 HRC | ≥20 J/CM2 | |
100mm | 60-61 HRC | 58-59 HRC | 58-61 HRC | ≥22 J/CM2 | |
120mm | 59-61 HRC | 57-59 HRC | 58-61 HRC | ≥24 J/CM2 | |
125mm | 59-60 HRC | 57-58 HRC | 57-60 HRC | ≥26 J/CM2 | |
Our Testing Machines
1.Microstructure Analysis Machine
2.Hardness Testing Machine
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