HOT SALE flange 1.standard:DIN 2.Certificate:ISO9001:2000 ,API. 3.pressure:class150~2500, ... glad to establishing business relation. 1.Material;carbon steel ,alloy steel ,stainless steel . 2.Size:DN15-DN1000. 3.Standard: ANSI B16.5,ANSI B16.47 ... :WN/SO/PL/BL/TH/SW/LFMaterial:carbon steel:A105,Q235,ST37,P250GH,C22.8,S235JRstainless steel:321,201,F304,F304L,F316,F316L ...