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Inconloy A-286 (UNS S66286)
Inconloy A-286 Features and Applications Overview:
The alloy is Fe-25Ni-15Cr-based superalloy, adding molybdenum, titanium, aluminum, vanadium and trace boron comprehensive strengthening. Below 650 ℃ with high yield strength and long-lasting, creep strength, and has good processing plasticity and satisfactory welding performance. Suitable for the manufacture of high temperature bearing components for long-term operation of aeroengines below 650 ° C, such as turbine disks, compressor disks, rotor blades and fasteners.
Inconloy A-286 Similar Plaques:
GH2132 GH132 (China), ZbNCT25 (France), X5NiCrTi26-15, 1.4980, 1.4944 (Germany)
Inconloy A-286 Chemical composition:
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Alloy
Grade
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%
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Ni
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Cr
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Fe
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Mo
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Nb
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V
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C
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Mn
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Si
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S
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Cu
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Al
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Ti
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Incoloy A-286
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Min
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24.0
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13.5
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Margin
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1.0
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0.1
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1.9
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Maximum
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27.0
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16.0
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1.5
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0.5
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0.08
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0.35
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0.35
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0.002
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0.3
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0.35
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2.35
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Inconloy A-286 Physical Properties:
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Density
g/cm3
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Melting point
℃
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Thermal conductivity
λ/(W/m•℃)
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Specific heat capacity
J/kg•℃
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Elastic Modulus
GPa
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Shear modulus
GPa
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Resistivity
μΩ•m
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Poisson's ratio
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Linear expansion coefficient
a/10-6℃-1
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7.99
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1364
1424
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14.2(100℃)
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|
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0.914
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15.7(20~100℃)
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Inconloy A-286 mechanical properties: (at 20 ℃ to detect the minimum mechanical properties)
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Heat treatment methods
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Tensile strength σb / MPa
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Yield strength σp0.2 / MPa
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Elongation rate σ5 /%
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Brinell hardness HBS
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Solution treatment
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930
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590
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15
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≤341
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Inconloy A-286 Production Executive Standard:
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Standard
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Bar
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Forgings
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Plate (with) material
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Wire
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Pipe
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American Society for Testing and Materials
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ASTM B564
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ASTM B670
ASTM B906
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American Aerospace Materials Technical Specification
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AMS 5731
AMS 5732
AMS 5734
AMS 5737
AMS 5895
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AMS 5525
AMS 5858
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AMS 5589
AMS 5590
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American Society of Mechanical Engineers
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Inconloy A-286 Metallography:
In the standard heat treatment, the alloy possesses spherical and uniform interstitial Ni3 (Ti, Al) -type γ 'phase and TiN and TiC on the γ matrix with a small amount of M3B2 in the grain boundaries. There may be a small amount of η phase and L phase.
Inconloy A-286 Process Performance and Requirements:
1, the alloy has good malleability, forging heating temperature 1140 ℃, final forging 900 ℃.
2, the average grain size of the alloy and forging deformation degree, the final forging temperature is closely related.
3, the alloy has a satisfactory welding performance. The alloy is soldered in the solution state and the aging is performed after welding.
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