... . 2.All sorts of design 3.SGS Tello stainless steel flange,various types Type:Slip On Flange, Welding Neck ... 7005-1-1992EU:BS EN 1092-1-2008Material:Austenitic stainless steel:F304,F304L,F304H,F316,F316L,F316H,F317,F317L,F347H, ... ),S32304,S32205,S32760,S32750,HDRCopper Nickel Alloy:B10,B30Special steel:N06600,N08800,N08811,Titanium alloy, Alloy steel etc.Carbon manganese steel:20# / Q235B / A105,16Mn ...