AISI1010 AISI1015 4.38mm 4.4MM 4.5MM small solid copper Plating Steel Ball for bullet projectile

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Price:RUB 90.99
Price in USD:Details


Product Overview


AISI1010  AISI1015  4.38mm   4.4MM  4.5MM  small solid  copper  Plating  Steel Ball for bullet projectile

Product Description


                                 Copper Plated Steel Ball

   Copper plated steel ball is used mainly to increase the electric conductivity of balls. Copper Plated Steel Balls are widely used in hunting, special valves, industrial pumps and valves, electronic devices, safety switches, heating units, appliances, furniture rails. They are used in the automotive, electronic and petrolchemical industry.






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Company Information

Feicheng City Tianyuan Industry and Trade Co., Ltd., established in 1999 and with headquarters situated at the foot of the world-famous Mount Tai ---- Tai’an City, has experienced a glorious history of twenty years. The company covers a floor area of 40,000m2 and currently has about 100 employees, including 28 technicians ---- 16 senior technicians. Moreover, the company has advanced production equipment and perfect inspection instruments, including 96 low speed cold headers, 4 high speed cold headers, 24 ball flashing machines, 23 ball crushers, 83 lapping machines and 9 heat treatment devices, and it can further ensure the reliable product quality through the comprehensive inspection realized by Rockwell apparatus, electronic compression-testing machine, optical microscope, metallographic microscope, appearance profile meter, laser surface roughmeter, automatic appearance detector and steel ball vibration testing meter. With strong production technology and rich product categories (steel ball, bearing steel ball, stainless steel ball).



Our Team

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We are  a professional team. Our members have profound professional knowledge and practical ability. We are a young team. We are full of passion and courage, and we dare to innovate. We are a dedicated team. We firmly believe that quality comes from the trust of customers, only by focusing can we achieve good quality.

Our Exhibition

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As the world's largest industrial exhibition ,Hannover Messe attracted 215,000 visitors and more than 6,500 exhibiting companies from 75 countries.
We participated in the Hannover Messe From April 1st to 5th, 2019.At the exhibition, we met many customers in cooperation,and also met many new friends from all over the world.Through face-to-face communication,they have more understanding and trust in our products .

Production Process

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1.Raw Material

Each batch of raw material steel is inspected and classified according to different material (carbon, stainless, chrome), size and quantity, which marked with the Material Cert. The qualified steel comes to the quarantine area; the unqualified will be rejected with a record.

2. Wire Drawing

The steel is made into different sizes according to the needed requirements.

3. Heading

The raw material certified is worked on high-speed casting machines to cast into different size pieces.


This step of the production process involves rolling the pieces between discs with concentric grooves to eliminate signs of casting and to increase the precision of the ball.

5. Heat Treatment

Heat treatment, where necessary, gives the balls the maximum possible hardness and the best technical characteristics that can be achieved with the materials used.

6.Lapping  i (Grinding)

Successively several careful grinding processes using ceramic grinding wheels give greater dimensional precision and prepare the balls the next, final lapping process. 

7. lapping ii

 This procedure gives the ball a perfectly shiny, compact and defect-free surface, with very low surface roughness, much lower than that required under GB/308-2002

8. Selecting and Final Inspection

The sorting machines together with the manual

 detecting  and  modern testing processes, largely ensures the high quality of our products.

9. Packing

We will pack the balls as per customers requirements.

Packaging & Shipping

We have below packages for your references:

1, woven bag

2, woven bag + carton box

3, woven bag + carton box + wood pallet

4, woven bag + carton box + wood cases

5, boxes + carton box + wood cases

Our loading ports can be as follows:
Qingdao, Shanghai, Tianjin,Shenzhen,Ningbo,Guangzhou,Suzhou,Dalian,Tangshan, Qinhuangdao,Yingkou.
Our transportation ways are as below:
By railway, road, sea and air .

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We get the above Certificates:

Business License

Organization Code Certificate

Tax Registration Certificate

Permission License

SGS Certificate

Certificate of quality management system certification

GB/T19001-2016 idt ISO9001:2015

IATF 16949:2016

Certificate of Honor

Patent Certificate

0.1459 s.