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  • Inconel X 750 The Aging Strengthening Nickel Based Superalloy - China

    price: contact company for price

    InconelX-750(NO7750) the aging strengthening nickel-based superalloy

    Features and applications overview: InconelX-750 is a nickel-base

    superalloy aging strengthened by γ'[Ni3(Al, Ti, Nb)]

    phase, and has good corrosion resistance and oxidation resistance under

    980°C, rather high strength under 800°C, quite good resistance under

    540°C. It also has good formability and weldability. The alloy is mainly

    for manufacturing high-strength and corrosion resistant annulus parts,

    structural parts, bolts, and other parts of aircraft engine operating at

    800°C, and flat springs and coil springs with medium or lower stress and

    relaxation resistance working at 540°C. It can also be used for

    manufacturing turbine blades of gas turbine and other parts. InconelX-

    750's similar grades: GH4145

    GH145(China), NCl5FeTNbA(France), W.Nr.2.4668

    NiCr15Fe7TiAl(Germany) NCF750(Japan) Chemical composition, %: Nickel +

    Cobalt...........................70 min Chromium..................................14.0-

    17.0 Iron.............................................5.0-9.0

    Carbon........................................0.08 max

    Manganese..................................1.0 max

    Silicon.........................................0.05 max

    Sulfur...........................................0.01 max

    Copper..........................................0.5 max Aluminium....................................0.4-

    1.0 Titanium........................................2.35-2.75 Physical

    properties Density, g/cm3 ..........................8.25 Melting

    Range, °C.....................1395-1425 Thermal conductivity,

    λ/(W/m•°C), at 100°C .............14.7 Specific heat,

    J/kg•°C..............430 Elastic modulus, GPa..............214

    Electrical resistivity, μΩ•m......1.22 Coefficient of linear

    expansion,

    a/10-6°C-1, at 20-100°C.............13.1

    Mechanical properties (the minimum value detected at room temperature)

    Tensile strength, σb/MPa..............930

    Yield strength, σp0.2/MPa.........515

    Elongation, σ5 /%.............................30

    The way of heat treatment is solution treatment

    Available products and specifications:

    Bar: ASTM B637, AMS 5667, AMS 5668, AMS 5669, AMS 5670, AMS 5671, AMS 5741, AMS 5749, ASME SB637

    Forging: ASTM B637, AMS 5667, AMS 5668, AMS 5670, AMS 5671, AMS 5747, AMS 5749, ASME SB637

    Plate/Strip: AMS 5542, AMS 5598

    Wire: AMS 5698, AMS 5598

    Pipe: AMS 5582

    The metallurgical structure of Inconel X-750:

    The structure of the alloy in the state of standard heat-treatment consists of γ matrix, Ti(C, N), Nb(C, N), M23C6 carbides and γ'[Ni3(Al, Ti, Nb)] phase. γ' is the main strengthening phase of the alloy and it accounts for 14.5%.

    The process performance and requirements of Inconel X-750:

    The alloy is easy to shape when the forging temperature is between 950 and 1220°C. The solution treatment follows the intense molding step.

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

    The alloy has good weldability and is suitable for any welding. Aging treatment after welding enables the alloy to obtain the strength of near perfect heat treatment.

    The heat processing of the parts shall be operated in the sulfur-free neutral or reducing atmosphere in order to avoid vulcanization.

    Inconel X 750 The Aging Strengthening Nickel Based Superalloy

    Please see our contact information 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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