〣Description
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.
〣201 Types of Stainless Steel
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 was the extension of 201 steel developed by individual steel mills in China in this late period. The national standard grade of 201 is: Old brand 1Cr17Mn6Ni5N, new brand: 12Cr17Mn6Ni5N 201C continues to reduce nickel content and increase manganese content on the basis of 201.
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