Stainless steel seamless pipe TP304, TP304L, TP316L, TP310S etc. ASTM A312, ASTM A213, ASTM ... /SA213M) c) A269/A269M d) A312/A312M (SA312/SA312M) e) GB (China)2) Grades: 202, 301, 304, 304L, 310S, 316, 316L ... ) to 24"(610mm). Other sizes available upon customers' requirements5) W.T.: SCH5, SCH10, SCH40, SCH80, SCH160, SCHXXS6) Surface: Pickling, Annealed, Polished ...