Specifications UNS N19909 AMS 5884 Bars, Forgings, Rings AMS 5892 Sheet, Strip AMS 5893 Bars, Forgings, Rings Alloy 909/ Incoloy 909 (UNS N19909) is a nickel-iron-cobalt alloy.Alloy 909 is a high strength alloy with impressive constant low coefficient of thermal expansion. Due to Alloy 909 characterisitics it has wide applications where low expansion together with high strength is required. Uses of Alloy 909 include gas turbines, rocket-engine thrust chambers, ordnance hardware, springs, steam-turbine bolts, gauge blocks, instrumentation, glass-sealing applications etc. Technical Data Sheet Chemical Composition Limits Weight% N Co Nb Ti Fe Si Al C Alloy 909 35.0 - 40.0 12.0 - 16.0 4.3 - 5.2 1.3 - 1.8 Bal 0.25 - 0.50 0.15 max 0.06 max Typical Mechanical Properties Material Temperature Yield Strength (0.2% Offset) Tensile Strength Elongation (%) Reduction Area % Ksi MPa Ksi MPa Alloy 909 70F 20C 150 1034 185 1276 15 30 Alloy 909 1200 650 125 862 150 1034 25 60 Typical Tensile Properties of Age-Hardened Alloy 909 Availability Alloy 909/ Incoloy 909 (UNS N19909)is available in Round Bar, Flat Bar, Sheet, Strip, Forgings, Billet. For all stock availability.