Manufacturers & Suppliers of ASTM B564 Incoloy 800HT SORF Slip On Flange, 16\" ASME B16.5 Class 150# Slip On Flange, ASME SB564 Alloy 800HT SORF Slip On Flanges, ANSI B16.5 SORF Flanges, DIN 1.4859/1.4876 Slip On Flange, GOST ??670, UNS N08811 SORF Flange, Japanese JIS NCF 800HT, BS NA 15(HT), EN X8NiCrAlTi32-21.