GOST FLANGES Size:DN15-DN4000 Material:Carbon steel Q235,20#, A105, A105N ,A694F70,A694F65 Type: Weld-neck, Slip-on, Blind, ... /UNI / or as per the Customer’s drawing Material: Q235, 20#, A105,SS400,ST37.2 C22.8, P250GH, S235JR, S355J2G3,Q345 ... : yes Thank you! Junes XieSKYPE: cnjuneQQ: 2235192007MSN: gloryenergycn WELD NECK FLANGE RAISED FACE