Industrial piping Production Standard: ASTM A312 OD:10-325mm WT:0.5-18mm Industrial pipingProcessing Pipes/TubesMain grades:TP304,TP304L,TP316,TP316L, ... TP316Ti,TP317,TP317L,TP321,TP310S,S32001,S32304,S31500,S31803(S32205),S32750,S32760...Production ... brand by advanced technology and senior management mode. Industrial piping