76mm Grinding Media Steel Ball
76mm grinding media steel ball, fit for Iron Ore, Copper, Gold, Silver, use Raw material: 75mm Steel rod, Finished ball size: 78mm, Single ball weight: 1800~1950 grams
76mm Grinding Media Steel Ball Introduction
76mm grinding media steel ball, fit for Iron Ore, Copper, Gold, Silver, use Raw material: 75mm Steel rod, Finished ball size: 78mm, Single ball weight: 1800~1950 grams
Technical Datas
Application: 76mm Grinding Media Steel Ball, for Iron Ore, Copper, Gold, Silver, etc
Certification: ISO9001, ISO14001, OHSAS18001 etc.
Original: Jiangsu, China
Price: Negotiable
Payment term: TT, LC
Delivery date: Negotiable
Packing: export standard ton bag or Iron drum
Major Market: Middle East/ Africa/Asia/South America/Europe/North America
MOQ: 50 tons (2x20'GP)
Raw material: Steel rod, 75mm
Finished ball size: 78mm
Single ball weight: 1800~1950 grams
Our steel rod supplier: Only Chinese local steel mill, like Huai Steel, NISCO, etc. 
Characteristics
Steel rod type: B3,B4,B6
Detailed chemical comments as below:
| 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 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 | 0.025-0.045 | 0.05-0.15 | |||
Steel Rod Type: B6, Chemical Comments | |||||
C | Si | Mn | P | S | Cr |
0.74-0.85 | 0.15-0.35 | 0.90-1.05 | ≤0.020 | ≤0.020 | 0.88-0.98 |
Ni | Cu | Mo | Alt | V | |
≤0.25 | ≤0.25 | 0.06-0.13 | 0.025-0.045 | ||
Detailed quality parameters of 76mm Grinding Media Steel Ball:
| 76mm Grinding Media Steel Ball Quality Parameter | ||||
Ball Size/Steel rod type | Surface Hardness | Core Hardness | Volume Hardness | Impact Toughness |
76mm/B3 | 61-63 HRC | 59-61 HRC | 59-62 HRC | ≥18 J/CM2 |
76mm/B4 | 61-63 HRC | 58-60 HRC | 58-62 HRC | ≥16 J/CM2 |
76mm/B6 | 61-64 HRC | 59-62 HRC | 59-62 HRC | ≥18 J/CM2 |
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