Bakin karfe bututu Astm b677 904l 1.4539 N08904 Tube A stock
Super Duplex ya ƙunshi 24% na Chromium, 6% zuwa 8% Nickel, 3% Manganese, tare da sauran dabbobi na baƙin ciki. Dangane da carbon, phosphorus, sulfur, silicon, nitrogen, da jan ƙarfe a cikin Super Super Duplex.
Werktsoff nR yana da babban abun ciki na molybdenum, chromium da nitrogen. 1.4410 zafi ya yi birgima sandarari yana ba da alloy kyakkyawan juriya ga rumfa ga croride m pitter da ganyayyaki kai hari. Saboda abubuwan da aka gama da su a cikin microstructure na Super Duplex Karfe S32750 Cold - Bar, da Dannoy ya ba da kyakkyawan juriya ga lalata juriya-da ya kulla. Abvantbuwan amfãni sun hada da: walwala mai kyau da mankin da masara, juriya na lalata, karami mai juriya, babban makamashi mai rauni, tilastawa da lalacewa.