Inconel 718 Bar With Good Resistance To Fatigue, Radiation, Oxidation And Corrosion
Features:
The alloy has a good overall performance in the temperature range of -253 ~ 700 ℃. The yield strength below 650 ℃ ranks first in the deformed superalloy and has good resistance to fatigue, radiation, oxidation and corrosion as well as good Processing performance, good welding performance. Can produce a variety of complex shapes of parts and components, in the aerospace, nuclear energy, petroleum industry and extrusion die, in the above temperature range has been very widely used.
Chemical composition:
Alloy
Grade |
% |
Ni |
Cr |
Fe |
Mo |
Nb |
Co |
C |
Mn |
Si |
S |
Cu |
Al |
Ti |
Inconel
718 |
Min |
50 |
17 |
Margin |
2.8 |
4.75 |
|
|
|
|
|
|
0.20 |
0.65 |
| Maximum |
55 |
21 |
3.3 |
5.50 |
1.0 |
0.08 |
0.35 |
0.35 |
0.015 |
0.30 |
0.80 |
1.15 |
Mechanical properties: (at 20 ℃ to detect the minimum mechanical properties)
| Heat treatment methods |
Tensile strength σb / MPa |
Yield strength σp0.2 / MPa |
Elongation rate σ5 /% |
Brinell hardness HBS |
| Solution treatment |
965 |
550 |
30 |
≥363 |
718 Physical Properties:
Density
g/cm3 |
Melting point
℃ |
Thermal conductivity
λ/(W/m•℃) |
Specific heat capacity
J/kg•℃ |
Elastic Modulus
GPa |
Shear modulus
GPa |
Resistivity
μΩ•m |
Poisson's ratio |
Linear expansion coefficient
a/10-6℃-1 |
| 8.24 |
1260
1320 |
14.7(100℃) |
435 |
199,9 |
77,2 |
1.15 |
0.3 |
11.8(20~100℃) |
