... .Favorable price 5.Quick delivery 1.Carbon Steel Weld Neck Flange ANSI B16.52.Size: 1/2"-72"3.Wall Thickness ... ,Bend,Equal/Reducing Tee,Cross,Concentric/Eccentric Reducer,Sockolet,Flange5.Material: Carbon steel, Alloy steel, Stainless steel Carbon SteelASTM:ASTM A234 ... 9001:2008,API,ASME,CE,HSE Carbon Steel Weld Neck Flange ANSI B16.5