Manufacturers & Suppliers of ASTM A182 F304 SORF Slip On Flange, 12\" ASME B16.5 Class 900# Slip On Flange, ASME SA182 F304 SS SORF Slip On Flanges, ANSI B16.5 SORF Flanges, DIN 1.4301 Slip On Flange, GOST 08?18?10, UNS S30400 SORF Flange, EN X5CrNi18-10, Japanese JIS SUS 304, BS 304S31, AFNOR Z7CN18?09.