China Supplier Stainless Steel Square and Rectangular Tube

Product Details:

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Material : All of the raw materials of Vinmay are from high quality suppliers such as BAOSTEEL,TISCO,TSINGSHAN,ad so on,

so shat we can make sure the stability and rust corrosion resistance of ou products.

Welding: Our material are fully annealed. In this way, mechanical properties are in a good condition and the hardness could be controlled under 190V.

They are good for welding process,our tubes can get fully welding and smooth inner welding,without blisters, leak welding or black line).

Polishing: 1)As for the mirror polish square/rectangular tube , we will polish it as least four times).

2)During the polishing processing, we set a special sanding wheel to polish the welding part.)

3) To avoid scratches,after polishing,the tubes will be sent on the platform automatically.

Quality Testing: All of the products are inspected strict with the ISO9001-2008 quality management systems and  the quality standards of ASTM A554.

Our Qualilty inspectors inspect the tubes during from raw material, tubes welding, polishing and packaging.

Annual Export Volume:

Europe: More than 50%   15000tons North America: More than 10% 3000 tons

Central and South America: More than 20% 6000 tons Africa: M ore than 10%     3000 tons

FAQ

1. What  is your major market?

95% of our tubes export. We mainly sell to Europe and Latin America.

We sell to the countries like Russia,Poland, Lithuania, UK,Columbia,Canada,etc..

2. What is your location?

We are located in Foshan City which is a famous stainless steel production base.

Our new workshop is located in Sanshui District, Foshan City.

3.What's the annual output?

Vinmay produce more than 25000 tons stainless steel tubes in a year.

4. What is your welding method?

All of  our tubes are welded by tig welding methods. Our tubes can get fully welding and smoonth inner welding, without blisters, leak welding or black line. All of our tube are good for tube bending.

5. How do you control the quality during the polishing  process?

1)As for the mirror polish square/rectangular tube , we will polish it as least four times)

2)During the polishing processing, we set a special sanding wheel to polish the welding part.

3)To avoid scratches,after polishing,the tubes will be lay out on a steel crate then we could lift the whole steel crate instead of the tube.

4)On the other hand, we use the gunny bags to protect the tube's surface when the tube laying-out.

6. How do you inspect the tubes?

The Quality inspectors inspect the tubes during each production processes from raw material,tube welding,polishing,packaging.

1) Before the production of each machine, we will have the first checked and record the data.

2). During the production, our inspector and engineer have been carefully moniting and we record the data every two hours.