... TP316, TP316L, TP317L, TP321, TP310, TP347, TP347H,904L and Duplex(S31803) 01) Commodity name: duplex tube02) Process method: cold rolled/ ... TP316,TP316L, TP316/316L, TP317L, TP321, TP347/H, 904L and duplex pipe/tube(S31803 2205)05) Standards: ASTM (ASME) ... fertilizer, fabric, aviation and nuclear) b) Fluid, gas and oil transport c) Pressure and heat transmission d) Construction and ornament e) Boiler ...