... TP316,TP316L,TP317L,TP310S,TP347H, 2205 Descriptionseamless stainless steel pipes,seamless steel pipes,cold-drawn or cold-rolled precision seamless ... ,TP 317L, TP310S(2520), TP347,TP347H; Duplex steel 2205(S32205),S31803, 2207(S32750); 904L(N08904)etc. StandardsAISI,ASME,ASTM ... machinery;metal processing of wind power equipment;Surface treatmentBare Tube (No coating)-Bright and smooth; Surface coating; ...