... 3mm width:20mm-1219mm surface:2B,BA,No.4,No.8,etc 310S Stainless steel sheet1.material:301,304,304L,316,316L ... ,321,410,420,430 and so on.2.finish:2B,BA,NO.1,NO.2D,NO ... Standard: AISI, ASTM, DIN, EN4.(1) 201 2B/No.1: 0.3-10 x 1000/1219/1500.(2) 202 ... any other special requirements,we assure of our best attention all the time. 310S stainless steel sheet