An san s32205 na Hex (kuma an san shi da S31803) an yi shi ne da babban grlex 2205 bakin karfe. Saboda wannan kayan ya ƙunshi aƙalla 22% cromium, 6% Nickel, da 3% molybdenum, yana iya tsayayya da wasu wuraren da ba za su iya ba, irin su. Bakin karfe driple 2105 HEX kusoshi shima suna samar da sau biyu ƙarfin idan aka kwatanta da Standard bakin karfe.