Loading Port:Qingdao
Payment Terms:TT or LC
Min Order Qty:25M.T. m.t.
Supply Capability:150,000M.T. m.t./month
Production Description:
Introduction of Steel Grinding Ball With High Hardness & Good Wear-Resistance & No Breaking:
Steel Grinding Ball is the pulverizing material used in ball mill as a grinding meda.
Steel Grinding Ball is wildly used in a) Metal Mines, b) Cement Plants, C) Water Coal Surry, d) Power Stations, e) Chemical Industry.
Steel Grinding Ball is consumables with big demands in worldwide.
Data Sheet for Steel Grinding Ball with High Hardness & Good Wear-Resistance & No Breaking
1) Main Specification of Steel Grinding Ball:
Size: 15-150mm
Hardness: 55-65HRC
Breakage Rate<0.5%
Impact Tough>12J/CM2
Endurance Test>20000times
2) Chemical Composition of Steel Grinding Ball:
Material | C | Mn | Si | Cr | S | P | Cu | Mo |
45# | 0.42-0.50 | 0.50-0.80 | 0.17-0.37 | 0.25 | - | - | 0.25 | 0.30 |
50Mn | 0.48-0.56 | 0.70-1.00 | 0.17-0.37 | 0.25 | - | - | 0.25 | 0.30 |
60Mn | 0.57-0.65 | 0.70-1.00 | 0.17-0.37 | 0.25 | - | - | 0.25 | 0.30 |
65Mn | 0.62-0.70 | 0.90-1.00 | 0.17-0.37 | 0.25 | - | - | 0.25 | 0.30 |
B-1 | 0.52-0.65 | 0.60-1.20 | 0.17-0.37 | 0.25max | 0.035max | 0.035max | - | - |
B-2 | 0.50-0.80 | 0.60-0.80 | 0.17-0.37 | 0.90-1.10 | 0.035max | 0.035max | - | - |
B-3 | 0.72-0.92 | 0.70-1.00 | 0.17-0.37 | 0.50-0.90 | 0.035max | 0.035max | - | - |
3) Physical Property of Steel Grinding Ball:
Diameter |
Hardness (HRC) |
Broken rate |
Impact value |
Falling ball number |
Microstructure
|
15-150MM | ≥45 | 1% | 12 | 12000 | M+C |
15-150MM | ≥50 | 1% | 12 | 12000 | M+C |
15-150MM | ≥58 | 0.5% | 15 | 15000 | M+C |
15-150MM | ≥62 | 0.5% | 15 | 15000 | M+C |
15-150MM | ≥50 | 0.5% | 15 | 15000 | M+C |
15-150MM | ≥58 | 0.5% | 15 | 15000 | M+C |
15-150MM | ≥65 | 0.5% | 15 | 15000 | M+C |
4) Process of Production of Steel Grinding Ball:
(1).Raw material
(2).Cutting
(3).Heating
(4).Forging
(5).Quenching
(6).Tempering
(7).Testing
(8).Qualified Products
(9).Packing
Packing of Steel Grinding Ball:
1) Container bags, each one can load 1000kgs
2) Drums, each one can load 800-900kgs
