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Help CenterHIGH Chrome High Quality Low Price China Supplier Casting Steel Forgings 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.
GET THE HONORS
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.
1. How many years of experience you do grinding ball products ?
Over 20 years hard work, established the factory in 2006.
2. What is your annual capacity of the grinding balls ?
To be frank, our cast steel ball and forgings totally about 50,000 Tons.
3. What is the quality guarantee of the grinding balls ?
Our products can not package without testing, we got ISO9001 certificate, no any client
Complain the quality problem of our grinding balls from we sell the first ball till now .
4.What is your delivery time of the grinding balls ?
Honestly, for our first trial order ,we can finish packing and loading within 10 Days .
5.The most important thing is what is your price and payment terms ?
Yes, this is the most important, we provide competitive price, for payment, first time financial
department accept TT 30%, 70% against copy of BL and 100% LC at sight ,if we establish business
relations ,we can do LC 30 days,60 days even 90 days .
6. We really want to do business with you, where is your factory located ?
Our Factory located in Tangshan City, Hebei, China, Near Beijing,
about 1.5 hours drive to our factory From Beijing Airport, we will pick you up there,
really hope you can come and enjoy a visit ,we will as your guide to The Great Wall,
Tian An men Square,The Imperial Palace and also the delicious food Peking Roast Duck.
Send Inquiry to This Supplier
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