Inconel 718 Characteristics
INCONEL® alloy 718 (UNS N07718/W.Nr. 2.4668) is a high-strength, corrosion-resistant nickel chromium material used at -423° to 1300°F. Age hardenable and may be welded in fully aged condition, Excellent oxidation resistance up to 1800 degrees F (980 degrees C). Typically sold in the solution annealed temper, but can be ordered aged, cold worked, or cold worked & aged.
Inconel 718 Chemical Composition, %
|
Grade |
C≤ |
Mn≤ |
Si≤ |
S≤ |
Cu≤ |
Ni |
Cr |
Co≤ |
Mo |
Ti |
Al |
Fe |
Nb+Ta |
P≤ |
B≤ |
Ti |
|
Inconel 718 |
0.08 |
0.35 |
0.35 |
0.015 |
0.30 |
50.0-55.0 |
17.0-21.0 |
1.0 |
2.8-3.3 |
0.65-1.15 |
0.2-0.8 |
Remainder |
4.75-5.5 |
0.015 |
0.006 |
0.65-1.15 |
Alloy 718 Mechanical Properties
|
Mechanical properties |
Tensile, min, ksi[MPa] |
Yield, min, ksi[MPa] |
Elongation, %(min) |
|
Alloy 718 |
185[1275] |
150[1034] |
12 |
Alloy 718 Equivalent Grades
|
STANDARD |
WERKSTOFF NR. |
UNS |
JIS |
|
Inconel 718 |
2.4668 |
N07718 |
NCF 718 |
UNS N07718 Specifications
|
Form |
Bar |
Plate&Sheet |
Tube |
Pipe |
Forging |
|
Standard |
ASTM B637/AMS 5662/AMS 5663/AMS 5664/PWA 1009/PWA 1010/GE B50TF15 |
ASTM B670/AMS 5596/AMS 5597/ ASTM B637 |
AMS 5589/ AMS 5590 |
AMS 5589/ AMS 5590 |
ASTM B637 /AMS 5562 /AMS 5663 /AMS 5664 /PWA 1009 /PWA 1010 /GE B50TF15 |
Alloy 718 Application
1.Cryogenic engineering
2.Acid environment
3.Nuclear Engineering
4.Steam turbine
5.Liquid fuel rocket
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