Grade 201 J4 J1 Stainless Steel Coil 

Stainless Steel Coil 201 Stainless steel, has a certain acid resistance, alkali resistance, high density, polishing no bubble, no pinhole and other characteristics, is the production of all kinds of watchcase, watchband bottom cover quality material. Mainly used to do decorative pipe, industrial pipe, some shallow stretching products. China mainly has the following 200 series steel :J1, J3, J4, 201,202. Later, 200 steel with lower nickel content control appeared. As for 201C, it is the extension of 201 steel developed by individual steel mills in China in this late period. The national standard grade of 201 is: the old grade 1Cr17Mn6Ni5N, and the new grade: 12Cr17Mn6Ni5N 201C continues to reduce nickel content and increase manganese content on the basis of 201. It is mainly divided into two types: cold rolled and hot rolled stainless steel coil. Stainless steel cold rolled coil always comes in two surface finishes, namely 2B and BA finish. For hot rolled stainless coils, i…

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