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Q1. When did your company set up?
A1. Tanshan Mingtai Grinding Material Co., Ltd. set up on May 16th in 2006. We are one the biggest steel ball manufacturers in the North of China.
Q2. May we know how many grinding balls you can manufacture per year ?
A2. Over 50000 metric tons .
Q3. Tell me more about your company.
A3. Our factory has the fixed assets of 60 million RMB and more than 1000 workers, including about 40 technicians. Grinding material products have formed the series. The complex alloy cast iron grinding ball is the initiation at home and abroad and its every economic technical index reaches to the international level. It has won three national patent, numbers: invention: 89102932.x craft 89102884.6, model 89206600.8. it won the second prize at Tangshan Science & Technology Progress Meeting in 1987, the excellent products prize in the National Grinding Ball Selection Material and Comprehensive test in 1988 and the invention wisdom prize in the 3rd and 4th Session of Hebei Invention Exposition in 1990 and 1991. it was regarded as the middle and small cement enterprise energy-saving reform products at the Meeting of the National Building Materials Bureau Nanjing Middle and Small Cement Enterprise Choosing the Excellence in May, 1990, won the silver medal at the 5thSession of National Invention Exposition in October 1990 and was awarded the reputation cup of “ the high quality and trustable products for customers” by the National Cement Information General Bureau in 1990.In 1994 it won the title of “ 94’ National Cement Industry, Ten Best Enterprise”.
Q4. What's the differents between the casting ball and forged ball ?
A4 . Steel ball is divided into two categories: casting steel ball and forging steel ball.
A, cast steel ball casting grinding ball) scrap, scrap metal, scrap charge by intermediate frequency electric furnace is used for heating and warming to charge fully melted steel ball manufacturer. In charge of melting process add just the right amount of precious metal alloys (such as ferrochrome, ferromanganese, ferrovanadium, etc.) to the furnace into the chemical composition of quenching and tempering, temperature of molten iron to be reached more than 1550 DEG C and meet process requirements after the qualified molten iron is poured into the die steel or steel ball production lines mold. That is, by means of the method of casting, the steel ball is made of casting steel ball (ball).
Such as casting grinding ball chromium content is more than or equal to 10.0%, containing carbon content between the 1.80%-3.20% are said for high chromium alloy cast ball (also known as the high chromium, high chromium cast iron grinding ball and high chromium steel) and national standard requirements of high chromium ball hardness (HRC) must be greater than or equal to more than 58, impact value AK is more than or equal to 3.0J/ cm 2, if the hardness of high chromium ball must use high temperature quenching + tempering.
Second, forged steel ball steel ball manufacturer by direct high temperature heating and then take the forging manufacturing out of the ball, it does not require melting and casting, just after forging playing so called forged steel ball.
Forged steel ball chromium content in between 0.1 and 0.5% (forging play generally does not contain chromium) with carbon content below 1.0% and steel ball with high temperature forging dozen manufacture, some forged steel ball surface hardness (HRC) although can reach more than or equal to more than 56 (hardening layer only 15 mm or so), because of forging steel ball quenching through poor cardiac hardness generally only about 30 degrees (with the diameter of steel ball increases the hardenability of worse), under normal circumstances, forged steel ball is often used water quenching processing.
Three: the higher the hardness, wear resistance wear resistance as possible.
After quenching and tempering Gao Geqiu (HRC = 60) 2.5 times more resistant than forging steel ball.
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, one research group and one sales department. It’s an appointed and professional manufacturer in the similar enterprises in Hebei Province. Our factory owns the advanced equipments, abundant technical force, completed measuring and test instruments, and has won the trust of extensive customers at home and abroad for several years by reliable and high quality and warm and thoughtful services.
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 applyingfor grinding machines in cement, mining, metallurgy, and electric power and other industries, the specification is from ø20mm-ø130mm, and the price is the best.
the delivery car & ship cargo
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