Manufacturers & Suppliers of ASTM A182 Super Duplex Steel S32750 SORF Slip On Flange, 4\" ASME B16.5 Class 600# Slip On Flange, ASME SA182 S32750 Super Duplex SORF Slip On Flanges, ANSI B16.5 SORF Flanges, DIN 1.4410 Slip On Flange, UNS S32750 SORF Flange.