Manufacturers & Suppliers of ASTM B564 Incoloy 800H SWRF Socket Weld Flange, 2\" ASME B16.5 Class 2500# Socket Weld Flanges, ASME SB564 Alloy 800H SWRF Socket Weld Flanges, ANSI B16.5 SWRF, DIN 1.4958/1.4876 Socket Weld Flange, GOST ??670, UNS N08810 SWRF Flange, AFNOR Z8NC33-21, EN X5NiCrAlTi31-20, Japanese JIS NCF 800H, BS NA 15(H).