... #,600# 4.Material:A105,A694 F65 ANSI B16.5 FLANGEANSI /API 6A FLANGESTypeWeld Neck, Slip-On, Blind, Socket,Orifice Flange,Swivel ... Series A ; Series B ;ANSI B16.48,ANSI B16.36; API 6ASpecificationCarbon SteelASTM A105;A694 F52/56/60;A350 LF2.Alloy ... .Stainless SteelASTM A182 F304/ 304L;316/ 316L;Duplex stainless steel ASTM A182 F51/F53/F55/F60Nicke alloysNickel 200, Monel 400, Inconel ...