... serving you soon.MaterialForged Carbon Steel, Stainless Steel , Duplex Stainless Steel , Low Alloy Steel(Like A105,LF2,LF6,F6a, ... ,Si,Cu,Ni,Cr,Mo,V,CE)2 Mechanical properties(yeild strength,tensile strength,elongation,reduction of area ... is taken from the location of poduct for mechanical &chemical test.PackingIN PLYWOOD Suitable to sea shippmentAs ... to your enquiry! non-standard carbon steel pipe flange