1) Product:Seamless steel pipe 2) High quality (ISO 9001, API 5L ) 3) Size: ... THK) to 219mm*25mm (Length:2-14m) Seamless stainless steel tubesMain material:TP304/304L, TP316/316L TP321/321H, TP347/347H ... J55, N80, C90, T95, P110, SAE1010, SAE1025, SAE1035, ST37, ST44, ST52, ect. Standard:A519, A53, A106, A213; API5L; JISG3452, JISG3454, JISG3441 ... Size:OD: 1/2-12 inch, WT: sch10-sch160 steel pipe