Super Duplex O le S32760 \ / F55 flanges e faia i luga o le Super Duplex vasega o Shinless Steel. O le mea e 24% chromium, 6% Nicikel, 3% o Molybdeamu, apamemea, Cubbon, Arosphoruss, Asgacph, phosful, Assorchorus, uʻamea. O le ASTM A182 F55 F55 Range ua maualuga le malosi ma maualuga le afaina. O moli ua faia i lalo o le ANSI B6.5, assi B16.47 ma isi tulaga faʻavaomalo.