Duplex 2507 ndi chitsulo chosapanga dzimbiri chosapanga zinthu zomwe zimafunikira mphamvu zapadera ndi kukana. Alloy 2507 ali ndi 25% chromium, 4% molybdenum, ndi 7% nickel. Izi molybdenum, chromium ndi nayitrogeni zimapangitsa kukana kwathunthu kwa chloride ponseponse ndi crevice kutembereredwa kwamphamvu komanso kukana kwapadera ku chloride kuphwanya.