304l/2b/no 1 stainless steel coil steel grade: 304/304L surface:2B, NO.1 thickness: 0.3~40mm stainless steel coil 1. Standard: AISI, GB, JIS, SUS ... 3, Grad'e: 304, 304L, 316L, 309S, 310S, 321, 430, 2205, 904L 4, Specification: Thickness: Cold roll 0.4-3mm or ...