Manufacturers & Suppliers of ASTM A182 F347H SORF Slip On Flange, 12\" ASME B16.5 Class 900# Slip On Flange, ASME SA182 F347H SS SORF Slip On Flanges, ANSI B16.5 SORF Flanges, DIN 1.4961 Slip On Flange, UNS S34709 SORF Flange, EN X6CrNiNb18-12, Japanese JIS SUS 347H.