Features:
This highly heat-resistant and corrosion resistant alloy IN939 ranks among nickelbased alloys. In most cases, these alloys contain chromium, iron, niobium, and molybdenum and other alloying elements. They are often known as superalloys. Nickel-based alloys withstand higher temperatures than steels and are also highly weldable. Their temperature resistance is achieved through a mixture of dispersion hardening, precipitation hardening, and solid solution strengthening. Nickel-based alloys exhibit good mechanical characteristic values such as high tensile strength and good endurance strength. IN939 can be used at temperatures of up to 700 °C, which makes this alloy ideally suited for aerospace technologies and turbine production. Another field of application for nickel-based alloys is toolmaking. These alloys are also suitable for heat treatment and mechanical post treatment.
Nominal composition,%
Alloy designation |
Ni |
Cr |
Co |
Mo |
W |
Ta |
Nb |
Al |
Ti |
Fe |
Mn |
Si |
C |
B |
Zr |
IN939 |
48 |
22 |
19 |
|
2 |
1.4 |
1 |
1.9 |
3.7 |
|
|
|
0.15 |
0.009 |
0.09 |