... .24-10.31mm 3OD:10.3-273.1mm 4material:A312 TP304 standard:ASTM 1product name:ASTM A106 106L Stainless Welded Pipe2WT ... pipe, stainless steel welded pipeMaterial304,304L,309S,310S,310H,310L,TP304,,316,316L,316Ti,321,347H, 201,202,etc.Outside Diameter10 ... any questions, please feel free to contact me. ASTM A312 TP304 Welded Seamless Pipe