... soon.MaterialForged Carbon Steel, Stainless Steel , Duplex Stainless Steel , Low Alloy Steel(Like A105,LF2,LF6,F6a,F304,F316,F22,F51 ... ,F60…)Main productsforged flangeslip-on flange,welding neck flange,socket welding flange,threaded flanged,lap joint flange,blind flange,ring joint flange,long welding neck flangefree ... you require.Welcome to your enquiry! non-standard carbon steel pipe flange