 |
| Place of Origin: | China |
| Brand Name: | ZW |
| Certification: | ISO9001:2008 |
| Model Number: | 45#,60Mn B2,B3,B4 |
| Minimum Order Quantity: | 25 tons |
|---|---|
| Price: | Negotiable |
| Packaging Details: | big bags ,steel drum |
| Delivery Time: | 1-3 weeks after order confirmation |
| Payment Terms: | D/A, D/P, L/C, T/T, Western Union |
| Supply Ability: | Annual output 50000 tons |
| Key Word: | Hot Rolling Steel Ball | Breakage Guarantee: | No Breakage Upon Delivery |
|---|---|---|---|
| Hardness: | HRC 60-68 | Tecnology: | Hot Rolling |
| Raw Material Heating: | By Electric Furance | Certification: | ISO9001:2008 |
| Service: | One-stop Service | Product Name: | Grinding Balls |
| Model Number: | 45#,60MN,B2,B3 | Heat Treatment: | Water Quenching |
| Por Of Loading: | Qingdao Port,china | Packing: | Big Bags , Steel Drums |
| High Light: | grinding steel balls,precision steel balls |
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Manufacturer : Jinan zhongwei
We are ISO Endorsed company with annual output 50000 Tons ,locaed in China.
Our Main products :
We supply forged steel grinding media balls with diamater 20mm-150mm.
We supply hot rolled steel balls with diameter 20mm to 150mm .
We supply casted iron grinding media balls with diamater 20mm-150mm.
We supply grinding rods made by C45 Steel ,60Mn Steel,B2 Steel,B3 Steel.
We supply grinding cylpeb (Cylinder) with High Chrome,Low Chrome,Medium Chrome
Testing Method and Inspection Rules
1. Impact Test
2. Rockwell Hardness Test Specimen Preparation
3. Chemical Composition Inspection
4. Surface Hardness Inspection
5. Internal Quality Inspection
1.Electric Furnace as compared to coal
2.Fair Market Price
3.Quality guarantee
4.On time delivery
| Material | Chemical Elements of hot rolled steel balls | ||||
| C | Si | Mn | P/S | Cr | |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | <0.035 | <0.25 |
| 60MN | 0.55-0.65 | 0.17-0.37 | 0.7-1.0 | <0.04 | <0.25 |
| B2 | 0.72-0.85 | 0.17-0.37 | 0.7-1.0 | <0.04 | 0.4-0.6 |
| B3 | 0.5-0.8 | 1.0-1.8 | 0.4-1.0 | 0.035 | 0.5-1.0 |
Hardness of hot rolled steel balls
| Material |
25mm-50mm HRC |
60mm-90mm HRC |
100mm-125mm HRC
|
|||
| 50-55 | ||||||
| 45# | 55-58 | 55-58 | ||||
| 60MN | 58-63 | 58-63 | 56-60 | |||
| B2 | 60-65 | 58-63 | 56-60 | |||
| B3 | 56-63 | |||||
Weight of Jinan Zhongwei hot rolled steel Ball
|
Norminal Diameter |
Diametrical Tolerance(mm) |
Approx Weight of Single Ball(kg) |
Average Number Per Ton |
|
25mm/1'' |
+1.5,-0.5 |
0.064 |
15625 |
|
30mm/1.25'' |
+1.5,-0.5 |
0.11 |
9090 |
|
40mm/1.5'' |
+2.0,-1.0 |
0.26 |
3846 |
|
50mm/2'' |
+2.0,-1.0 |
0.51 |
1961 |
|
60mm/2.5'' |
+3.0,-2.0 |
0.89 |
1124 |
|
70mm/2.75'' |
+3.0,-2.0 |
1.4 |
714 |
|
80mm/3.25'' |
+3.0,-2.0 |
2.1 |
476 |
|
90mm/3.5'' |
+3.0,-2.0 |
3 |
333 |
|
100mm/4'' |
+4.0,-3.0 |
4.1 |
244 |
|
110mm/4.5'' |
+4.0,-3.0 |
5.47 |
283 |
|
120mm/4.75 |
+4.0,-3.0 |
7.1 |
141 |
|
130mm/5'' |
+4.0,-3.0 |
9.02 |
111 |
Package :
Steel drums (850kg per drum) or Flexible Container Bags ( 1000kg per bag)
Contact Person: Mr. Stevin Liu
Address: Lejia,Puji Town,Zhangqiu Jinan city,Shandong Province,China
Factory Address:Lejia,Puji Town,Zhangqiu Jinan city,Shandong Province,China
