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- Size: 0.325CBM
- Place of Origin: Jinan
- Brand Name: Jinan Zhongwei
- Model Number: B3,B2,60Mn,High chrome
- Weight: 0.883 kg
No broken solid sag mill grinding ball
Product Description
1) No deformation
2) High hardness Good wear resistant
3) Size:Dia20mm-150mm
4) Breakage<1%
5) Certification: ISO9001,SGS.
Production Description: Forged
1) Traditional Forged
Raw material →Cutting →Heating → Water quenching → Tempering
2) Auto Hot Rolling
Raw material →Hot Rolling Mill → Water Quenching → Tempering
Production Description: Cast
Raw material chemical composition and optional proportion-- Melting and pouring-- Oil quenching
-- Temper-- Polishing
Packing
One ton per Container Bag or 850-900kg per Steel Drum, then 20-15 tons in a 20GP Container.
Quality Control
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.
- Size: 0.325CBM
- Place of Origin: Jinan
- Brand Name: Jinan Zhongwei
- Model Number: B3,B2,60Mn,High chrome
- Weight: 0.883 kg
No broken solid sag mill grinding ball
Forged & Hot Rolling Ball Chemical Composition and Physical Specifications Can be customized according to customer material requirements
(锻球和轧球化学成分和力学性能) （可根据客户材质要求定做）
直径重量 Diameter/Weight
硬度Hardness
材 质 (Material) | C45 | 60Mn | B2 | B3 | B6 | ||||||||||||||||
C:0.42-0.5, Si:0.17-0.37, Mn:0.5-0.8, Cr:≤0.25, P:≤0.035, S:≤0.035, Ni:≤0.25, Cu:≤0.25 | C:0.55-0.65, Si:0.17-0.37, Mn:0.7-1.0, Cr:≤0.25, P:<0.04, S:<0.04, Ni:≤0.3, Cu:≤0.25 | C:0.72-0.85, Si:0.17-0.37, Mn:0.7-1.0, Cr:0.4-0.6, P:≤0.025, S:≤0.025, Ni:≤0.02, Cu:≤0.02, Mo:0.01-0.06 | C:0.58-0.66, Si:1.3-1.9, Mn:0.65-0.8, Cr:0.7-0.9, P:≤0.025, S:≤0.025, Ni:≤0.02, Cu:≤0.02, Mo:0.05-0.12 | C:0.97-1.03, Si:0.2-0.3, Mn:1.0-1.1, Cr:0.5-0.6, P:≤0.025, S:≤0.025, Ni:≤0.05, Cu:≤0.06, Mo:≤0.02 | |||||||||||||||||
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 | 55-58 | 55-58 | 58-62 | 58-62 | 60-64 | 60-64 | 62-65 | 62-65 | 62-65 | 62-65 | ||||||||||
25 | 0.064 | 55-58 | 55-58 | 58-62 | 58-62 | 60-64 | 60-64 | 62-65 | 62-65 | 62-65 | 62-65 | ||||||||||
30 | 0.111 | 55-58 | 30-33 | 58-62 | 51-55 | 60-64 | 60-64 | 62-65 | 62-65 | 62-65 | 60-65 | ||||||||||
40 | 0.261 | 55-58 | 28-31 | 58-62 | 51-55 | 60-64 | 58-62 | 62-65 | 60-65 | 62-65 | 60-65 | ||||||||||
50 | 0.512 | 55-58 | 27-30 | 58-62 | 35-39 | 60-64 | 58-62 | 62-65 | 60-65 | 62-65 | 60-65 | ||||||||||
60 | 0.883 | 55-58 | 27-30 | 58-62 | 32-26 | 60-64 | 56-60 | 62-65 | 60-65 | 62-65 | 60-65 | ||||||||||
70 | 1.402 | 53-56 | 23-26 | 58-62 | 31-35 | 60-64 | 54-58 | 61-63 | 60-65 | 61-63 | 60-65 | ||||||||||
75 | 1.73 | 53-56 | 23-26 | 58-62 | 31-35 | 60-64 | 54-58 | 61-63 | 58-63 | 61-63 | 58-62 | ||||||||||
80 | 2.092 | 53-56 | 23-26 | 58-62 | 30-34 | 59-63 | 50-54 | 60-65 | 58-63 | 61-63 | 58-62 | ||||||||||
90 | 2.98 | 50-55 | 23-26 | 58-62 | 30-34 | 57-61 | 45-49 | 60-65 | 58-63 | 61-63 | 58-62 | ||||||||||
100 | 4.087 | 48-52 | 23-26 | 57-61 | 28-32 | 56-60 | 44-48 | 60-65 | 58-62 | 61-63 | 58-62 | ||||||||||
110 | 5.44 | 48-52 | 23-26 | 57-61 | 28-32 | 55-60 | 40-44 | 58-64 | 53-60 | 61-63 | 55-60 | ||||||||||
120 | 7.062 | 48-52 | 22-25 | 57-61 | 26-30 | 55-60 | 39-43 | 56-63 | 53-60 | 61-63 | 55-60 | ||||||||||
125 | 8.008 | 48-52 | 22-25 | 57-61 | 26-30 | 55-60 | 38-42 | 56-63 | 54-61 | 61-63 | 55-60 | ||||||||||
130 | 9.008 | 48-52 | 22-25 | 57-61 | 26-30 | 55-60 | 38-42 | 56-63 | 50-55 | 61-63 | 50-55 | ||||||||||
140 | 11.25 | 48-52 | 22-25 | 57-61 | 26-30 | 55-60 | 38-42 | 56-63 | 50-55 | 61-63 | 50-55 | ||||||||||
150 | 13.83 | 48-52 | 22-25 | 57-61 | 26-30 | 55-60 | 38-42 | 56-63 | 50-55 | 61-63 | 50-55 | ||||||||||
冲击值Impact | ≥12Ak.J/cm2 | ≥12Ak.J/cm2 | ≥12Ak.J/cm2 | ≥15Ak.J/cm2 | ≥15Ak.J/cm2 | ||||||||||||||||
跌落次数 Drop Test | >10000 | >10000 | >10000 | >12000 | >12000 | ||||||||||||||||
公称直径 Diameter | 20mm | 25mm | 30mm | 40mm | 50mm | 60mm | 70mm | 80mm | 90mm | 100 | 110 | 120 | 125 | 130mm | 140mm | 150mm | |||||
允许偏差 Tolerance | ＋1/-0.5 mm | ＋2/-2 mm | ＋3/-2 mm | ＋4/-3 mm | ＋5/-4 mm | ||||||||||||||||
不圆度Out of Roundness | ≤1% | ≤2% | ≤3% | ≤4% | ≤5% | ||||||||||||||||
金相组织Microstructure | M B C (M-马氏体; B-贝氏体; C-碳化物) (M- Martensite; B- Bainitic; C- Carbide) | ||||||||||||||||||||
Cast Ball Chemical Composition and Physical Specifications Can be customized according to customer material requirements
(铸球化学成分和力学性能) （可根据客户材质要求定做）
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 | |||||||||||