... ), ASME B16, 47SER, A(MSS), ASME B16, 47SER, B(API605) API 6A 1-13/16”-30” CLASS 2000-20000 AWWA C207 ... #, A105,SS400,ST37.2 C22.8, P250GH, S235JR, S355J2G3,Q345, 304,304L,316,316L,F60,F62,F65,F70,LF2Facing method: rust ... : yes Thank you! Junes XieSKYPE: cnjuneQQ: 2235192007MSN: gloryenergycn WELD NECK FLANGE RAISED FACE