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      Nimonic80A

      Nimonic80A age-hardening nickel-based superalloy

      Nimonic80A Features and Applications Overview:

      GH80A is a high-temperature alloy based on nickel-chromium with addition of aluminum and titanium as phase-dispersed dispersion. Similar to GH4033 except that the content of aluminum is slightly higher, GH80A has a good working temperature of 700-800 ℃ and 650-850 ℃ Creep and oxidation performance. The alloy has good hot workability. The alloy used in the manufacture of engine rotor blades, guide vane bearings, bolts, blade lock plate and other parts.

      Nimonic80A similar brand:

      hinese brand GH80A Nimonic80A (UK)

      Nimonic80A & nbsp; Chemical composition: (GB / T14992-2005)
      Alloy grade
      %
      Ni
      Cr
      Fe
      Fe
      Mo
      Zr
      W
      B
      Cu
      Co
      C
      C
      Mn
      Mn
      Si
      Si
      S
      S
      P
      P
      Ai
      Al
      Ti
      Ti
      Nimonic80A
      Min
      Margin
      18.0
      0.04
      1.0
      1.8
      Max
      21.0
      1.5
      0.008
      2.0
      0.10
      0.4
      0.8
      0.015
      0.2
      1.8
      2.7
      Nimonic80A Physical Properties:
      Density
      Melting point
      Thermal conductivity
      Specific heat capacity
      Elastic Modulus
      Shear modulus
      Resistivity
      Poisson's ratio
      Linear expansion coefficient
      g/cm3
      λ/(W/m•℃)
      J/kg•℃
      GPa
      GPa
      μΩ•m
      a/10-6℃-1
      8.15
      1405
      27.66(100℃)
      225
      15.36(20~100℃)
      Nimonic80AMechanical properties: (at 20 ℃ to detect the minimum mechanical properties)
      Heat treatment methods
      Tensile strengthσb/MPa
      Yield Strengthσp0.2/MPa
      Elongationσ5 /%
      Brinell hardness HBS
      Solution treatment
      1000
      620
      20
      285
      Nimonic80A Production standards:
      Standard
      Bar
      Forgings
      Plate (with) material
      Wire
      Pipe
      Nimonic80A Metallographic structure:


      Nimonic80A Process performance and requirements:

      1, the alloy hot deformation heating temperature is 1160 ~ 1180 ℃, the best plastic temperature range is 1160 ~ 1000 ℃, one-time maximum deformation of 50%, large-size die forgings require cladding die forging.
      2, the average grain size of the alloy and forging deformation degree, the final forging temperature is closely related.
      3, the alloy in solid solution can be inert gas tungsten arc welding and flash butt welding.

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