... Material:Carbon steel Q235,20#, A105, A105N ,A694F70,A694F65 Type: Weld-neck, Slip-on, Blind, Socket, threaded, Lap-joint, Loose, ... method: rust preventing oil, spray paint (black, yellow), hot galvanization, cold galvanization or colored electroplate, powder coating and so on. Application ... .OEM: yes Thank you! Junes XieSKYPE: cnjuneQQ: 2235192007MSN: gloryenergycn WELD NECK FLANGE RAISED FACE