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  • Nimonic 90 Aging Hardening Nickel Based Wrought Superalloy - China

    price: contact company for price

    Nimonic90 aging hardening nickel-based wrought superalloy Features and

    applications overview: Nimonic90 is age hardenable nickel-based wrought

    superalloy containig a higher amount of cobalt and a variety of

    strengthening elements. The alloy has rather high tensile strength and

    creep resistance in the temperature of 815~870°C, good resistance to

    oxidation and corrosion, high fatigue strength as well as good

    formability and weldability under the alternately repeated action of hot

    and cold. The alloy is used for turbine engine's turbine discs, blades,

    high-temperature fasteners, clamps, seals and elastic elements. Nimonic

    90's similar grade: GH90(China) Chemical composition, %:

    Nickel........................................balance Chromium..................................18.0-

    21.0 Iron.............................................1.5 max

    Zirconium...................................0.15 max

    Boron..........................................0.02 max Cobalt.........................................15.0-

    21.0 Carbon........................................0.13 max

    Manganese..................................0.4 max

    Silicon.........................................0.08 max

    Sulfur...........................................0.015 max

    Phosphorus...................................0.02 max

    Copper..........................................0.2 max Aluminium....................................1.0-

    2.0 Titanium........................................2.0-3.0 Physical

    properties Density, g/cm3 ................................8.2

    Melting Range, °C.........................1400 Thermal conductivity,

    λ/(W/m•°C), at 100°C ..................21.76 Elastic modulus,

    GPa.....................225 Coefficient of linear expansion,

    a/10-6°C-1, at 20-100°C.............12.71

    Mechanical properties (the minimum value detected at room temperature)

    Tensile strength, σb/MPa............820

    Yield strength, σp0.2/MPa.......590

    Elongation, σ5 /%...........................8

    The way of heat treatment is solution treatment

    The metallurgical structure of Nimonic90

    The alloy's main strengthening phase is γ'-Ni3(Ti, Al), precipitated out in the form of different sizes of square granules. This shape of γ'phase can be seen on the grain boundary, on which carbides precipitate in the form of discontinuous chain.

    The process performance and requirements of Nimonic90:

    1, The alloy prone to internal crack in the forging. The hammer blow is allowed, but low-temperature chamfering is not allowed. The temperature is no higher than 700°C upon ingots installed in furnace. The final heating temperature is 1150°C±10°C, open forging temperature not lower than 1060°C, and final forging temperature not less than 950°C.

    2, The average size of the grain size of the alloy is closely related to the forging deformation degree and the final forging temperature.

    3, Inert gas protects tungsten arc welding and flash butt welding when this alloy is in solid solution state.

    Nimonic 90 Aging Hardening Nickel Based Wrought Superalloy

    For any questions and needs please contact us below


    Company Contact:


    • Phone: 8602169925078

    • Address: 1355#,Chengbei road, Jiading District, Shanghai, Shanghai, China

    • Email: Email


    Published date: October 19, 2012 -

    • Business Description: involved in international trade import export of goods, products, and services

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