Manufacturers & Suppliers of ASTM B564 Inconel 625 SWRF Socket Weld Flange, 1-1/4\" ASME B16.5 Class 300# Socket Weld Flanges, ASME SB564 Alloy 625 SWRF Socket Weld Flanges, ANSI B16.5 SWRF, DIN 2.4856 Socket Weld Flange, GOST ??75????, UNS N06625 SWRF Flange, AFNOR NC22DNB4M, EN NiCr22Mo9Nb, Japanese JIS NCF 625, BS NA 21.