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FS-85

niobium fs-85 alloy rod

Application of FS-85 Niobium alloy

FS-85 (Nb-28Ta-10W-1Zr) is the structural material for the orbital operating system engines of space shuttles.
Our FS-85 Sheet, FS-85 Rod and FS-85 Parts products are widely used in military and aviation industry.

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    • Properties of FS85 alloy

    Mechanical properties of FS-85 at room temperature (21℃)
    Grade Composition (mass fraction) % Modulus of elasticity/MPa Tensile strength/MPa Yield strength/MPa Elongation/%
    FS-85 28Ta-11W-0.8Zr 140620 604.7 485.1 22
    High temperature industrial Niobium alloy
    Grade Composition wt% 800℃
    Thermal conductivity W/m·℃    		 1200℃
    Thermal conductivity W/m·℃    		 800℃
    Total radiation rate    		 1200℃
    Total radiation rate    		 Density
    /g·cm-3    		 Melting point/℃ 20℃ Coefficient of thermal expansion
    X 10-6/℃
    FS-85 28Ta-11W-0.8Zr 52.8 56.7 - - 10.6 - 7.1
    Physical properties of FS-85
    Grade Composition Density
    /g·cm-3    		 Melting point/℃ Recrystallization temperature/℃ Annealing temperature/℃ Brittle transition temperature at elongation/℃
    FS-85 28Ta-11W-0.8Zr 10.61 2592 1093-1371 1010 -196