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Help Center8X10--60X70MM All Size Casting Alloy Grinding Steel Bar
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Specification of grinding balls
| Low chomium grinding ball | Φ20 | Φ30 | Φ40 | Φ50 | Φ60 | Φ70 | Φ80 | Φ90 | Φ100 | Φ110 | Φ120 | Φ130 |
| High chromium grinding ball
|
Φ20 | Φ30 | Φ40 | Φ50 | Φ60 | Φ70 | Φ80 | Φ90 | Φ100 | |||
| Grinding forge | Φ8*10 | Φ10*12 | Φ12*14 | Φ14*16 | Φ16*18 |
Φ18*20 |
||||||
| Φ20*25 | Φ25*30 | Φ30*35 | Φ30*40 | Φ40*50 | Φ50*60 | |||||||
Chemical composition
Product Name |
High-chromium grinding steel balls |
Quality standards |
GB/T17445-2009 |
Hardness HRC |
50-62 |
||||
Trade Mark |
Chemical composition % |
||||||||
C |
Si |
Mn |
S |
P |
Cr |
Mo |
Cu |
Ni |
|
ZQCr12 |
2.2-3.0 |
0.3-1.5 |
0.3-1.5 |
≤0.08 |
≤0.08 |
11-12 |
≤0.5 |
≤0.5 |
trace |
Product Name |
Low-chromium grinding steel balls |
Quality standards |
GB/T17445-2009 |
Hardness HRC |
45-55 |
||||
Trade Mark |
Chemical composition % |
||||||||
C |
Si |
Mn |
S |
P |
Cr |
Mo |
Cu |
Ni |
|
ZQCr2 |
2.2-3.0 |
0.3-1.5 |
0.3-1.5 |
≤0.08 |
≤0.08 |
1.5-2.0 |
≤0.5 |
≤0.5 |
trace |
Economic index
| Commodity | Wear loss | Breaking rate (%) |
| high chromium grinding ball | 15-80g/ton (cement) | <0.5% |
| low chromium grinding ball | 70-120g/ton (cement) | <1% |
| grinding forge | 20-40g/ton (cement) | <1.5% |
Laboratory result of falling ball
| Vertical falling ball 3.5M/time | ||
| high chromium grinding ball | <Φ80 | >18000 |
| >Φ80 | >13000 | |
| low chromium grinding ball | <Φ80 | >15000 |
| >Φ80 | >10000 | |
Microscopic constitution and mechanical property
| Commodity | Metallurgical structure | Impact resistance value (akl/cm2) | HRC |
| High chromium grinding ball | troostite+C | >5 | 50-62 |
| low chromium grinding ball | P+C | >5 | 45-55 |
| grinding forge | P+C | >5 | 45-55 |
Tangshan Mingtai Grinding Material Co., Ltd. is a new and developing grinding material enterprise in the tide of economic reform. It has five manufacturing shops with annual production capacity of more than 50 000 tons.
Our factory has the fixed assets of 60 million RMB and more than 100 workers, including about 20 technicians. We have formed three series: the Complex Alloy Cast Grinding Ball, the Low-chromium Alloy Cast Grinding Ball, the High-chromium Alloy Cast Grinding Ball.
Nowadays, our products market has expanded to every province, city, and autonomous region except Tibet area in mainland, some of the products have been largely distributed to Russia, Mongolia, India , Malaysia , Japan and other countries and regions.
1.As contract, we guarantee the quality,quantity and deliver on time.
2.Our company can regularly send technicist to the scene for tracking service and solve the technical problems in time.
3.Accept customer's technical consultation for wear-resistant material at any time.
We are one of the biggest casting steel ball manufacturers in the North of China, once we confirm your order, we can deliver the goods in a very short time.
if you have any questions, please feel free to let me know and we are looking forward to hearing from you!
4. We established good relation ship with our customers.
| Main Markets: | North America Western Europe South America Southeast Asia Eastern Asia Central America Southern Europe South Asia Eastern Europe Mid East |
Some of the products have been largely distributed to Russia, Mongolia, India , Malaysia , Japan and other countries and regions.
Our products are applying for grinding machines in cement, mining, metallurgy, and electric power and other industries, the specification is from ø20mm-ø130mm, and the price is the best.
How to contact us?
Send Inquiry to This Supplier
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