Stainless Steel Welding Neck Flange Standard: ANSI B16.5,DIN,JIS,UNI,BS4504,EN1092-1 Material:SS 1.Product detailsStainless ... Rating Class150,300,600,900,1500,2500; PN6,PN10,PN16,PN25,PN50,PN100; JIS5K,10K,20K,-30K; SCH5S,10S,20S,40S ... ,80S,160,SCHXXS.Standard ANSI B16.5,DIN,JIS,UNI,BS4504,EN1092-1Material Stainless SteelGrade 304,304L,316 ...