When purchasing a supplier of 304 stainless steel plates, the buyer considers whether there are cooperation requirements from four points. Can you see if your suppliers are qualified?
1. When selecting stainless steel pipe, it must be determined that the material meets the standard.
1) From the price analysis, if the 304 material stainless steel plate is even lower than the general price of the 301 material on the market, it should be carefully discerned, it is likely that other materials are posing;
2) Identify whether the stamped material "304" is printed on the pipe surface, and ask for the manufacturer's quality certificate as the certificate;
3) It can be tested with acidic reagents. After 30 seconds, the material 304 does not change color, and 201 turns black;
4) Large quantities of samples can be taken and sent to the national authoritative testing center for component testing.
2. Check whether the outer surface of the 304 stainless steel plate and the inner wall of the tube are bright and smooth, the thickness is uniform or rough.
3. When purchasing 304 stainless steel plates, you should choose excellent products that have been evaluated by the Quality and Technical Supervision Bureau. Long-term use of witness and good word of mouth among customers is the most direct and effective way to purchase.
4. In the rolling pipe, there are often internal heavy skin, pitting, and rolling green line. Under normal circumstances, these can not be avoided, and basically do not affect the use, but you must choose as few as possible when purchasing, especially check The inner surface.
Zibo Baishun Stainless Steel Co., Ltd. was founded in 2008.A comprehensive company which provides sale, process, distribution and
Service of stainless steel products.Any question feel free to contact us.
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