... Welding Neck Flange Standard: ANSI B16.5,DIN,JIS,UNI,BS4504,EN1092-1 Material:SS 1.Product detailsStainless Steel Welding Neck ... ,80S,160,SCHXXS.Standard ANSI B16.5,DIN,JIS,UNI,BS4504,EN1092-1Material Stainless SteelGrade 304,304L,316,316L,321,321H ...