博文

目前显示的是 七月, 2025的博文

What's NO.1 Mean in Stainless Steel Plate 304NO.1

图片
What's NO.1 mean in   stainless steel plate   304NO.1?  NO.1 in stainless steel plate 304NO.1 means the surface of stainles steel plate, which is a classification way of stainless steel . The detailed is as follows: NO.1 silver white, which is a rough, matte surface after hot-rolled to a specified thickness, then annealed and descaled processing. NO.2D silver white, it is heat treatment and pickling after cold rolling, a kind of matte surface processing. 2D products are used for applications that do not have requirements on the surface of stainless steel plate. NO.2B, strong luster. It is a final mild cold rolling with polishing rolls to get luster. It is the most common surface finish and can also be used as a first step in polishing. BA is bright as a mirror, but is usually a bright annealed finish with a highly reflective surface. It is used for building materials, kitchen utensils. NO.3 coarse grinding. Grind NO.2D and NO.2B stainless steel plate with 100~200# (unit) ...