Nickel
Ni
50~55%
Chromium
Cr
17.0~21.0%
Iron
Fe
Bal.
Molybdenum
Mo
2.8~3.3%
Niobium
Nb
4.75~5.50%
Cobalt
Co
≤1.00%
Titanium
Ti
0.65~1.15%
Aluminium
Al
0.3~0.7%
Manganese
Mn
≤0.35%
Silicon
Si
≤0.35%
Copper
Cu
≤0.30%
Phosphorus
P
≤0.015%
Sulphur
S
≤0.015%
Carbon
C
≤0.08%
Magnesium
Mg
≤0.01%
Calcium
Ca
≤0.01%
Boron
B
≤0.006%
GH4169 is a Fe-Ni-Cr-based precipitation hardening deformation superalloy. The long-term use temperature range is -253~650℃, and the short-term use temperature is 800℃. It has high strength, good toughness and good toughness in high and low temperature environments under 650℃. It is resistant to oxidation and corrosion. And good processing performance and welding performance and long-term structural stability. It can manufacture various parts with complicated shapes, and has been widely used in the above-mentioned temperature range in aerospace, nuclear energy, petroleum industry and extrusion dies.
GH4169 Thermal conductivity
| θ/℃ |
11 |
100 |
200 |
300 |
400 |
500 |
600 |
700 |
800 |
900 |
1000 |
| λ/（W/（m•C）) |
13.4 |
14.7 |
15.7 |
17.8 |
18.3 |
19.6 |
21.2 |
22.8 |
23.6 |
27.6 |
30.4 |
GH4169 linear expansion coefficient
| θ/℃ |
20~100 |
20~200 |
20~300 |
20~400 |
20~500 |
20~600 |
20~700 |
20~800 |
20~900 |
20~1000 |
| α/10-6C-1 |
11.8 |
13.0 |
13.5 |
14.1 |
14.4 |
14.8 |
15.4 |
17.0 |
18.4 |
18.7 |
GH4169 specific heat capacity
| θ/℃ |
300 |
400 |
500 |
600 |
700 |
800 |
900 |
1000 |
| c/（J/（kg·C）） |
481.4 |
493.9 |
514.8 |
539.0 |
573.4 |
615.3 |
657.2 |
707.4 |
GH4169 Physical properties
| Density |
Melting point |
Melting temperature range |
Magnetic properties |
| g/cm3 |
℃ |
℃ |
|
| 8.24 |
1260~1340 |
1260~1320 |
Non |
Mechanical properties of GH4169 alloy at room temperature
| Yield Strength |
Tensile strength |
Elongation |
Brinell hardness |
| Mpa，≥ |
Mpa，≥ |
%，≥ |
HB |
| 550 |
965 |
30 |
≤363 |
