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| Place of Origin: | Jinan |
| Brand Name: | ZW |
| Certification: | ISO9001 SGS |
| Model Number: | 45# 60Mn B2 B3,high medium low chrome |
| Minimum Order Quantity: | 1 tonne |
|---|---|
| Price: | Negotiable |
| Packaging Details: | Steel drums,container bags |
| Delivery Time: | 5-7 days |
| Supply Ability: | 50000 Tonne per year |
| Product: | Grinding Steel Balls | Material: | Iron And Steel Rod |
|---|---|---|---|
| Size: | Dia20-150mm | Breakage: | ≤1% |
| Hardness: | 55-65HRC | Packing: | Bag Or Steel Drums |
| Certification: | SGS, BV, TUV, ISO9001 | Application: | Cement Plant, Power Station, Mine, Chemical Industry |
| Highlight: | forged grinding steel ball,steel grinding balls |
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cement plant use low price forged and low chrome cast grinding steel balls
Specification of forged steel ball and cast iron balls:
Type and chemical composition of forged balls
Name |
Material |
Chemical composition |
Hardness |
|||||
| C | Si | Mn | S | P | Cr | HRC | ||
forged ball |
B3 | 0.58-0.66 | 1.6-1.9 | 0.65-0.8 | <0.025 | <0.025 | 0.7-0.9 | 58-63 |
| B2 | 0.72-0.85 | 0.17-0.37 | 0.7-1.0 | <0.04 | <0.04 | 0.4-0.6 | 58-63 | |
| 60Mn | 0.55-0.65 | 0.17-0.37 | 0.7-1.0 | <0.04 | <0.04 | <0.25 | 58-62 | |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | <0.035 | <0.035 | ≤0.25 | 50-55 | |
Hardness distribution
Material |
Dia25mm-Dia50mm |
Dia60mm-Dia90mm |
Dia90mm-Dia125mm |
|||
surface |
core |
surface |
core |
surface |
core |
|
| B3 | / | / | / | / | 56-63 | 45-53 |
| 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 |
Type and chemical composition of cast iron balls
Name |
Material |
Chemical composition |
Hardness |
|||||
| C | Si | Mn | S | P | Cr | HRC | ||
Cast ball |
Special Hi-Cr |
2.0-3.0 | <1.0 | 0.5-2.0 | ≤0.06 | ≤0.08 | >20 | 58-64 |
Special Hi-Cr |
2.0-3.0 | <1.0 | 0.5-2.0 | ≤0.06 | ≤0.08 | >15 | 58-64 | |
High-Cr |
2.0-3.2 | <1.0 | 0.5-2.5 | ≤0.06 | ≤0.08 | >10 | 58-62 | |
Medium-Cr |
2.0-3.2 | <1.0 | 0.5-2.5 | ≤0.06 | ≤0.08 | ≥5 | 50-55 | |
Low-Cr |
2.2-3.4 | ≤1.2 | 0.5-1.5 | ≤0.06 | ≤0.08 | 1.0-1.5 | 42-46 | |
Hardness distribution
Material |
Dia25mm-Dia50mm |
Dia60mm-Dia70mm |
Dia80mm-Dia90mm |
|||
surface |
core |
surface |
core |
surface |
core |
|
Special hi-CR:>20 |
60-64 | 59-63 | 60-64 | 58-62 | 60-64 | 57-61 |
Special hi-CR:>15 |
58-62 | 57-61 | 58-62 | 56-60 | 58-62 | 50-59 |
High Cr:>10 |
58-62 | 57-61 | 58-62 | 56-60 | 58-62 | 50-59 |
Medium Cr:≥5 |
50-55 | 49-54 | 50-55 | 48-53 | 50-55 | 47-52 |
Low Cr:1-1.5 |
42-46 | 41-45 | 42-46 | 40-44 | 42-46 | 39-43 |
Certificate: ISO 9001:2008
Packaging & Shipping
Packing: Container bags or steel drums or others.
For Container Bag, Net weight 1000Kgs ,Gross Weight 1002KGS ,Measurement 0.4CBM
For Steel Drums ,Net weight 850-950Kgs ,Gross Weight 865-965KGS ,Measurement 0.3CBM .
Shipping and delivery
Port of loading:Qingdao Port,China
Delivery time : Normally 2-3 weeks after down payment received.
Partial shippment allowed
Contact Person: Mrs. cherry lee
Tel: +8613793138983
Fax: Jinan Zhongwei Casting And Forgi
Address: Puji Street, Zhangqiu District, Jinan City, Shandong Province,China
Factory Address:Lejia,Puji Town,Zhangqiu Jinan city,Shandong Province,China
