... 1.NameStainless steel flanges 2.Standard: GB14976-2002, GB13296-2007, JIS, AISI, DIN, EN3.Size: 1/2" - 84" ... ND100 (DIN), PN6-PN100 (UNI, EN1092-1), 5K-30K (JIS), 150lbs-2500lbs (ANSI)5.Section Shape:RF, FF, MF, ... 310S, 321, 321H, 316, TP316L, 316L,etc.7.Material:Stainless steel 8.Steel grade 300 series9.Secondary Or NotNon ... .Excellent quality.4.Various size. AISI,ASTM,JIS,DIN,EN Stainless steel flange