PRODUCT HIGH-QUALITY SUPPLIER FOR SMALL DIAMETER STEEL TUBE SS Flanges Standard ASME B16.5、JIS-B2220、EN1092-1、AWWA-C207、API 6A Grade / Material Stainless steel: 304/L ,316/L, 904/L, 310HSpecial Alloy: N04400, N08800, N08825, N06625, N06600, N06059, N08020, N08904, N08031, N010276DUPLEX: UNS S31803, S32760, S32750, S31254, S32205 Product Category Blind flangePL flangeSlip On flangeSocket Weld flangeThreaded FlangesWelding Neck flangeLap Joint flangeSpectacle Blind Application Industry