... , 321,321H, 316, TP316L, 316L.etc.7.Material:Stainless steel8.Steel grade300 series9.Secondary Or NotNon-secondary10.Alloy Or ... ability.2.Reasonable price.3.Excellent quality.4.Various size.Stainless steel flanges, pipe fittingsGrade: 316L, 316, 304L, 304Stanndard:ANSI ... ,BS,DIN,UNI,JIS,GN,etcType:Welding neck flangeProduct name: Stainless ...