... , such as petroleum chemical industry, fertilizer, papermaking, printing and dyeing and atomic energy industry with equipment corrosion ... 180 #NO 4 surface: 240 #, 320 #, 400 # ProductStainless steel bar/rodLength3000mm-6000mm or customizeStandardASME, ASTM, EN, GB, BS, DIN, ... ,347H,2Cr13SurfaceBlack/Bright/PolishedTechniqueHot rolled/Cold drawn/ForgeCategory1 round bar 1) Hot rolled flat steel: 3 x 20 ...