1.Stainless steel 2.Grade:316L,316,304L,304 2.Stanndard:ANSI,BS,DIN,UNI,JIS, ... , 30K5.Section Shape:Welding neck Flange6.Grade:304, 304L, 310S, 321,321H, 316, TP316L, 316L.etc.7.Material:Stainless steel8.Steel grade300 ... .Excellent quality.4.Various size.Stainless steel flanges, pipe fittingsGrade: 316L, 316, 304L, 304Stanndard:ANSI,BS,DIN,UNI,JIS,GN,etcType ...