Manufacturers & Suppliers of ASTM B564 Incoloy 800 SWRF Socket Weld Flange, 2\" ASME B16.5 Class 150# Socket Weld Flanges, ASME SB564 Alloy 800 SWRF Socket Weld Flanges, ANSI B16.5 SWRF, DIN 1.4876 Socket Weld Flange, GOST ??670, UNS N08800 SWRF Flange, AFNOR Z8NC32-21, EN X5NiCrAlTi31-20, Japanese JIS NCF 800, BS NA 15.