Cement plant use forged and low chrome cast grinding ball / steel grinding balls
cement plant use low price forged and low chrome cast grinding steel balls
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.

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
1. Can you provide samples for free?
Answer: Yes, Free Sample.
2. Are you a manufacturer or a trading company?
Answer: We are a manufacturer, and we have independent export qualification.
3. What kind of payment you can accept?
Answer: T/T , L/C, Paypal,Western Union
4. How about your quality control?
Answer: 100% check before delivery to ensure the products quality.
5. If I send an inquiry ,when can you reply ?
Answer: Immediately.
6. How about your packing?
Answer:Container bags & Steel drum with wooden pallets or iron pallets
7. Do you have any certificate ?
Answer : ISO9001:2008, SGS and BV inspection or any third party test.
8. How about your delivery time? (25 tons)
Forged balls : 3-5 days after deposit
Cast balls : 5-7 days
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.