... Seamless Stainless Steel Pipe 1)TP304,TP304L,TP316L,TP321,TP310S 2)O.D: 6-630mm 3)W.T:0.8-50mm DescriptionASTM A312/ A213 Seamless Stainless Steel Pipe ... (Ni : 5%)301 (Ni : 6%), 304, TP304, TP304L/304L, 321, TP321, 316, TP316L, 316L, 316Ti317, 317L, 309S, 310S(2520), 347, Duplex ... ,coating,marking,packing,delivery.After Sales ServiceShipment tracking in time.Any problem happening of our products,once ...