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- Refund if your item is not delivered or as described
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- Place of Origin: Jinan
- Brand Name: Jinan Zhongwei
- Model Number: high medium low chrome
Cast iron balls for cement plant ball mill
Product Description
1) No deformation
2) High hardness Good wear resistant
3) Size:Dia20mm-150mm
4) Breakage<1%
5) Certification: ISO9001,SGS.
Production Line
Raw material chemical composition and optional proportion-- Melting and pouring-- Oil quenching-- Temper-- Polishing
Packing
Steel drum (800-950kg per drum) &Container Bag (1000kg per bag)
QC&QI
1) Raw material: Size, Chemcial elements, Microstructure quality control (LAIWU STEEL)
2) Production Technical: Cutting Size, Heating Temperature, Quenching Technical, Tempering control.
3) Grinding Balls: Hardness, Size, Chemcial elements, Breakage Rate Checking
4) Thrid-Pary: SGS, BV ISO, TUV, COTECNA, AsiaInspection etc
Company Profile
Jinan Zhongwei established in 2000 , we are a leading manufacturer and professional exporter grinding balls in China.
Our company covers an area of 15000 square meters, now we have 150 staff, including 13 technical staff. Annual output is 50000 tons to 80000 tons .
Main products : forged steel ball, cast iron ball ,grinding rod, cylpebs
We have exported to 20 more countries, UAE, Zambia,South Africa, Peru, Chile, Australia, UK, USA, Turkey and so on.
Advantage
1. Jinan Zhongwei has 16 years production and exporting experience.
2.We keep continuous adjustment and improvement in production according to the customer’s requirement at the last 10 years.
3.On the basis of satisfied customer’s 50,000 tons/year demand, Jinan Zhongwei has more 30,000 - 50,000 tons/year production capacity for the new cooperative partner.
4.Stable price system - 12 months price validity
5.Payment terms ( Negotiate)
- Place of Origin: Jinan
- Brand Name: Jinan Zhongwei
- Model Number: high medium low chrome
直径重量 Diameter/Weight
硬度Hardness
材 质 (Material) | Low Cr | Medium Cr | High Cr | Special-Cr 1 | Special-Cr 2 | |||||||||||
C:2.2-3.4, Si:≤1.2, Mn:0.5-1.5, P:≤0.06, S:≤0.06, Cr:1.0-1.5 | C:2.0-3.2, Si:<1.0, Mn:0.5-2.5, P:≤0.06, S:≤0.06, Cr:≥5 | C:2.0-3.2, Si:<1.0, Mn:0.5-2.5, P:≤0.06, S:≤0.06, Cr:>10 | C:2.0-3.0, Si:<1.0, Mn:0.5-2.5, P:≤0.06, S:≤0.06, Cr:>15 | C:2.0-3.0, Si:<1.0, Mn:0.5-2.0, P:≤0.06, S:≤0.06, Cr:>20 | ||||||||||||
Diameter 直径(MM) | Weight/PC 单重(kg) | Surface Hardness 表面硬度(HRC) | Core Hardness 芯部硬度(HRC) | Surface Hardness 表面硬度(HRC) | Core Hardness 芯部硬度(HRC) | Surface Hardness 表面硬度(HRC) | Core Hardness 芯部硬度(HRC) | Surface Hardness 表面硬度(HRC) | Core Hardness 芯部硬度(HRC) | Surface Hardness 表面硬度(HRC) | Core Hardness 芯部硬度(HRC) | |||||
20 | 0.033 | 45-50 | 45-50 | 48-55 | 48-55 | 58-63 | 58-63 | 58-64 | 58-64 | 60-65 | 60-65 | |||||
25 | 0.064 | 45-50 | 45-50 | 48-55 | 48-55 | 58-63 | 58-63 | 58-64 | 58-64 | 60-65 | 60-65 | |||||
30 | 0.111 | 45-50 | 45-50 | 48-55 | 48-55 | 58-63 | 58-63 | 58-64 | 58-64 | 60-65 | 60-65 | |||||
40 | 0.261 | 45-50 | 45-50 | 48-55 | 48-55 | 58-63 | 58-63 | 58-64 | 58-64 | 60-65 | 60-65 | |||||
50 | 0.512 | 45-50 | 45-50 | 48-55 | 48-55 | 58-63 | 58-63 | 58-64 | 58-64 | 60-65 | 60-65 | |||||
60 | 0.883 | 45-50 | 45-50 | 48-55 | 48-55 | 58-63 | 58-63 | 58-64 | 58-64 | 60-65 | 60-65 | |||||
70 | 1.402 | 45-50 | 45-50 | 48-55 | 48-55 | 58-63 | 58-63 | 58-64 | 58-64 | 60-65 | 60-65 | |||||
75 | 1.73 | 45-50 | 45-50 | 48-55 | 48-55 | 58-63 | 58-63 | 58-64 | 58-64 | 60-65 | 60-65 | |||||
80 | 2.092 | 45-50 | 45-50 | 48-55 | 48-55 | 58-63 | 58-63 | 58-64 | 58-64 | 60-65 | 60-65 | |||||
90 | 2.98 | 45-50 | 43-48 | 48-55 | 46-53 | 58-63 | 56-61 | 58-64 | 56-62 | 60-65 | 58-63 | |||||
100 | 4.087 | 45-50 | 43-48 | 48-55 | 46-53 | 58-63 | 56-61 | 58-64 | 56-62 | 60-65 | 58-63 | |||||
110 | 5.44 | 45-50 | 43-48 | 48-55 | 46-53 | 58-63 | 56-61 | 58-64 | 56-62 | 60-65 | 58-63 | |||||
120 | 7.062 | 45-50 | 43-48 | 48-55 | 46-53 | 58-63 | 56-61 | 58-64 | 56-62 | 60-65 | 58-63 | |||||
125 | 8.008 | 45-50 | 43-48 | 48-55 | 46-53 | 58-63 | 56-61 | 58-64 | 56-62 | 60-65 | 58-63 | |||||
130 | 9.008 | 45-50 | 43-48 | 48-55 | 46-53 | 58-63 | 56-61 | 58-64 | 56-62 | 60-65 | 58-63 | |||||
140 | 11.25 | 45-50 | 43-48 | 48-55 | 46-53 | 58-63 | 56-61 | 58-64 | 56-62 | 60-65 | 58-63 | |||||
150 | 13.83 | 45-50 | 43-48 | 48-55 | 46-53 | 58-63 | 56-61 | 58-64 | 56-62 | 60-65 | 58-63 | |||||
冲击值Impact | ≥2Ak.J/cm2 | ≥3Ak.J/cm2 | ≥3Ak.J/cm2 | ≥3Ak.J/cm2 | ≥3Ak.J/cm2 | |||||||||||
跌落次数 Drop Test | ≥8000 | ≥8000 | ≥8000 | ≥10000 | ≥12000 | |||||||||||
公称直径 Diameter | 20mm | 25mm | 30mm | 40mm | 50mm | 60mm | 70mm | 80mm | 90mm | 100mm | 110-150mm | |||||
允许偏差 Tolerance | ＋1/-1 mm | ＋1.5/-1 mm | ＋2/-1 mm | ＋2.5/-1mm | ＋3/-1mm | |||||||||||
不圆度Out of Roundness | ≤1% | ≤2% | ≤2% | ≤3% | ≤4% | |||||||||||
金相组织Microstructure | P C | P C | M C | M C | M C | |||||||||||