Product Description
1) No deformation
2) High hardness Good wear resistant
3) Size:Dia20mm-150mm
4) Breakage<1%
5) Certification: ISO9001,SGS.
FORGED STEEL BALL CHEMICAL ELEMENTS AND HARDNESS
| Material |
Chemical elements |
| C |
Si |
Mn |
P/S |
Cr |
| B2 |
0.72-0.85 |
0.17-0.37 |
0.7-1.0 |
<0.04 |
0.4-0.6 |
| 60Mn |
0.55-0.65 |
0.17-0.37 |
0.7-1.0 |
<0.04 |
<0.25 |
| 45# |
0.42-0.50 |
0.17-0.37 |
0.5-0.8 |
<0.035 |
≤0.25 |
| B3 |
0.58-0.66 |
1.6-1.9 |
0.65-0.8 |
<0.025 |
0.7-0.9 |
Hardness
Material
|
25mm-50mm
HRC |
60mm-90mm
HRC |
100mm-125mm
HRC
|
| Surface |
Core |
Surface |
Core |
Surface |
Core |
| B2 |
60-65 |
58-62 |
58-63 |
50-55 |
56-60 |
40-45 |
| 60Mn |
58-63 |
55-60 |
58-63 |
40-45 |
56-60 |
30-35 |
| 45# |
55-58 |
45-55 |
55-58 |
30-35 |
50-55 |
25-30 |
| B3 |
|
|
|
|
58-62 |
56-60 |
Production Description
1) Traditional Forged
Raw material →Cutting →Heating → Water quenching → Tempering2) Auto Hot Rolling
Raw material →Hot Rolling Mill → Water Quenching → Tempering
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.
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