... ,ACID,HL,200# polishing, 400 # polished 304 seamless tubeStainless steel is a production which not easy rust,acid ... long-term supply stainless steel products, including stainless steel seamless pipes,stainless steel bar and stainless steel sheet. ... 309S,310,310S,430,409specificationthickness0.3mm—20mmwidth120mm—2000mmProduction technologyHot rolled ,cold rolledSurface treatment2B,BA,8K,No.1,Etching, ...