Model:DIA10MM-DIA150MM
1.Cast And Forged Grinding Balls Specification
Item | Size | |||||||||||||
Φ15 | Φ20 | Φ25 | Φ30 | Φ40 | Φ50 | Φ60 | Φ70 | Φ80 | Φ90 | Φ100 | Φ110 | Φ120 | Φ130 | |
Tolerance Dia. | +1.0;-0.5 | +2.0;-1.00 | +3.0;-1.00 | +3.5;-1.5 | ||||||||||
Difference Between Ma.Dia.And Min.Dia. | 1.0max | 2.0max | 3.0max | 4.0max | ||||||||||
2. Cast Iron And Forging Grinding Balls Chemical Composition
Name | Brand | Chemical Compositon | ||||||||
C | Si | Mn | Cr | Mo | Cu | Ni | P | S | ||
High Chrome Cast Iron Grinding Balls | ZQCr20 | 2.0-2.8 | 1.0 max | 0.5-1.5 | 18-22 | 0-2.5 | 0-1.2 | 0-1.5 | 0.10max | 0.06max |
High Chrome Cast Iron Grinding Balls | ZQCr15 | 2.5-3.0 | 1.0 max | 0.5-1.5 | 12-17 | 0-3.0 | 0-1.0 | 0-1.5 | 0.10max | 0.06max |
High Chrome Cast Iron Grinding Balls | ZQCr8 | 2.1-3.2 | 0.5-2.2 | 0.5-1.5 | 7-10 | 0-1.0 | 0-0.8 | 0-1.5 | 0.10max | 0.06max |
Low Chrome Cast Iron Grinding Balls | ZQCr2 | 2.2-3.6 | 1.2max | 0.5-1.5 | 1.5-3.0 | 0-1.0 | 0-0.8 | - | 0.10max | 0.10max |
Spheroidal Graphite Cast Iron Grinding Balls | ZQSi3 | 3.2-3.8 | 2.0-3.5 | - | - | - | - | - | 0.10max | 0.03max |
3.Mechanical Property
Name | Brand | Surface Hardness (HRC) | Impact Fatigue Life Of Ball | |
Qunched | Non-Qunched | 8000 min | ||
High Chrome Cast Iron Grinding Balls | ZQCr20 | 56 min | 45 min | 8000 min |
High Chrome Cast Iron Grinding Balls | ZQCr15 | 56 min | 49min | 8000 min |
High Chrome Cast Iron Grinding Balls | ZQCr8 | ___ | 48min | 8000 min |
Low Chrome Cast Iron Grinding Balls | ZQCr2 | ___ | 45min | 8000 min |
Spheroidal Graphite Cast Iron Grinding Balls | ZQSi3 | 50min | 45min | 8000 min |
4.Technical Data For Using(Balls Consumption For Grinding 1 Ton Mineral) (Cr:12-14)
Mineral Type | Small Grinding Mill | Medium Grinding Mill | Big Grinding Mill |
Φ1.2m-Φ2.5m Kg/ton | Φ3.2m-Φ4.8m Kg/ton | Φ5.2m-Φ6.5m Kg/ton | |
Non-Ferrous Ore | 0.60-0.70 | 0.55-0.65 | 0.45-0.55 |
Ferrous Ore | 0.80-0.90 | 0.65-0.70 | 0.55-0.65 |
Cement | 0.050-0.055 | 0.030-0.040 | 0.020-0.030 |
Coal | 0.07-0.08 | 0.065-0.075 | 0.050-0.060 |
5. Execute Standard
Cast Iron And Forged Steel Grinding Ball Execute Standard: GB/T17445-2009,YB/T091-2005
Produce Execute Standard:TUVISO9001
6.Service
We, Zhangqiu City Huafu Forging Factory, in the quality of Grinding ball and rods manufacturer, warrant that the goods which will be supplied are new, unused., of the most recent or current models and incorporate all recent improvement, in design and materials unless provided otherwise in the contract. We further warrant that the goods which will be supplied shall have no defect arising from design, materials or workmanship (except insofar as the design or material is required by the purchaser’s specifications) or from any act or omission of us, that may develop under normal use of the supplied goods in the condition prevailing in the country of final destination.
7.StockWe have 1000 ton various sizes,all hardness steel ball in stock,ready delivery at first time.
8.Produce Process




