Manufacturers & Suppliers of ASTM A182 F316L SWRF Socket Weld Flange, 1-1/2\" ASME B16.5 Class 600# Socket Weld Flanges, ASME SA182 F316L Stainless Steel SWRF Socket Weld Flanges, ANSI B16.5 SWRF, DIN 1.4404 Socket Weld Flange, GOST 20Ch23N18, UNS S31603 SWRF Flange, EN X8CrNi25-21, Japanese JIS SUS 316L, BS 316S11.