... ,we are glad to establishing business relation. 1.Material;carbon steel ,alloy steel ,stainless steel . 2.Size:DN15-DN1000. 3.Standard: ANSI B16.5 ... :WN/SO/PL/BL/TH/SW/LFMaterial:carbon steel:A105,Q235,ST37,P250GH,C22.8,S235JRstainless steel:321,201,F304,F304L,F316,F316L ... :RF(raised face);FF(flat face);RTJ(ring type joint);RJ(ring joint face)TG(tongue and groove face);MFM(male and ...