91在线精品秘 一区二区-91在线精品秘 一区二区三区四区-91在线精品秘 一区二区在线-91在线精品视频-91在线精品无码 9 2 1 5入口红桃-91在线看福利片

1304 stainless steel is classified as a metastable stainless steel, and after being returned, it extends to a single austenitic arrangement without magic How, after cold working deformation, such as stamping and stretching, some of the austenitic arrangement will emerge under photo like transformation into martensite, and with magic Dependence on the amount of deformation, the strength of magic variations, and it is generally not affected by magic at all

2. The use of stainless steel materials in China has been relatively short, and there are certificates misunderstood among customers about stainless steel, specifically the method of improving quality through magnetism, which itself is a misconception Due to the existence of this knowledge, many businesses use materials similar to the 200 series with poor corrosion resistance, which are non magnetic or weakly magnetic, to process products From the perspective of part of speech, 304 plays the same role, and the variety of stainless steel is complex To verify, this method is not used, but some instruments are needed

3. Other, martensitic stainless steel is rarely used in water tanks, mainly for tool work. There is also another type of ferritic stainless steel, classified as magnetic stainless steel, which has a wide range of uses and is also used in water tank work. We will not elaborate on it here. However, in terms of cost, currently the main stream 304 is used for the sink, and the cost of stainless steel is relatively high. Therefore, please check if it is stainless steel instead of stainless steel.

Article source: Guangdong stainless steel faucet http://www.idvbbgkp.cn/