Nimonic80A(UNS N07080/W.Nr. 2.4952&2.4631) Alloy80 is a wrought, age-hardenable nickel-chromium alloy, strengthened by additions of titanium, aluminum andcarbon,developed for service at temperatures up to 815. Chemical Composition(%) C..............................0.10 Cr..........................18.0-21.0 Si..............................1.0 Cu..............................0.2 Fe..............................3.0 Mn..............................1.0 Ti............................1.8-2.7 Al............................1.0-1.8 Co..............................2.0 B.............................0.008 Zr.............................0.15 Pb...........................0.0025 S.............................0.015 Ni...............................Rem Physical Constants(room temperature): Density,(g/cm3) 8.19 Melting Range 1320-1365 Specific Heat,(J/kg) 448 Electrical Resistivity,(m) ¡­1.00.