... Item:stainless steel flange 2.Size:1/2"-100",SCH5-160 3.Grade:310S,309S,316,316L321, ... Neck Flange, Long Welding Neck Flange, Blind Flange, Socket Welding Flange, Thread Flange, Screwed Flange, Lap Joint FlangeConnection ... Large Tongue,Groove, Small Tongue,Groove.Size1/2"-100",SCH5S-SCH160,XS,XXS,STDPrice termEx-Work,FOB,CNF ... Package:5.Certificates:6.Cooperation: stainless steel socket welding flange