304 Seamless Stainless Steel Pipe With excellent quality and competitive price. Seamless Stainless Steel PipeSpecifications:1) Type: duplex and austenitic ... ' requirements5) Materials: TP304, TP304L, TP310/S, TP316L, TP316/316L dual grade, TP317L, TP321, TP347, 2205 (S31803), 1805 ... JIS 3459, DIN 24628) ASTM (ASME) standards:A213, A213M (SA213, SA213M), A269, A269M,A312, A312M (SA312, SA312M),A450 ...