Tech Steel & Materials
Nickel Inconel 718
Inconel 718* is a precipitation-hardenable nickel-chromium alloy containing large amount of iron, niobium and molybdenum. It also contains small amounts of titanium and aluminum. It is known for its corrosion resistance, high strength and outstanding weldability.
Inconel 718* is commonly used in High temperature bolts, nuts and fasteners, Airframe parts, Gas turbine engines, Cryogenic tanks and Nuclear engineering applications.
Chemical Properties
| Element |
min |
max |
| Carbon |
– |
0.08 |
Manganese |
– |
0.35 |
| Silicon |
– |
0.35 |
Phosphorus |
– |
0.015 |
| Sulfur |
– |
0.015 |
Chromium |
17.00 |
21.00 |
| Nickel |
50.00 |
55.00 |
Molybdenum |
2.80 |
3.30 |
| Columbium (Niobium) |
4.75 |
5.50 |
Titanium |
0.65 |
1.15 |
| Aluminum |
0.20 |
0.80 |
Cobalt |
– |
1.00 |
| Tantalum |
– |
0.05 |
Boron |
– |
0.006 |
| Copper |
– |
0.30 |
Iron |
remainder |
|
Tensile Properties
Solution Heat Treated
| Property |
Value |
| Tensile Strength, max |
155 ksi |
Yield Strength at 0.2% Offset, max |
95 ksi |
| Elongation in 2 Inches (50.8 mm), min |
30% |
Select AMS Number:
| AMS Number |
Alloy |
Type |
UNS |
Cross Ref. Spec |
Misc./Shape |
| AMS 5589 |
Inconel 718 |
Nickel |
N07718 |
- |
Tubing |
| AMS 5589 |
Inconel 718 |
Nickel |
N07718 |
- |
Tubing |
| AMS 5590 |
Inconel 718 |
Nickel |
N07718 |
- |
Tubing |
| AMS 5596 |
Inconel 718 |
Nickel |
N07718 |
- |
Foil |
| AMS 5596 |
Inconel 718 |
Nickel |
N07718 |
- |
Plate |
| AMS 5596 |
Inconel 718 |
Nickel |
N07718 |
- |
Sheet |
| AMS 5596 |
Inconel 718 |
Nickel |
N07718 |
- |
Strip |
| AMS 5597 |
Inconel 718 |
Nickel |
N07718 |
- |
Plate |
| AMS 5597 |
Inconel 718 |
Nickel |
N07718 |
- |
Sheet |
| AMS 5597 |
Inconel 718 |
Nickel |
N07718 |
- |
Sheet |
| AMS 5597 |
Inconel 718 |
Nickel |
N07718 |
- |
Strip |
| AMS 5662 |
Inconel 718 |
Nickel |
N07718 |
- |
Bar |
| AMS 5662 |
Inconel 718 |
Nickel |
N07718 |
- |
Forging |
| AMS 5662 |
Inconel 718 |
Nickel |
N07718 |
- |
Ring |
| AMS 5663 |
Inconel 718 |
Nickel |
N07718 |
- |
Bar |
| AMS 5663 |
Inconel 718 |
Nickel |
N07718 |
- |
Forging |
| AMS 5663 |
Inconel 718 |
Nickel |
N07718 |
- |
Ring |
| AMS 5664 |
Inconel 718 |
Nickel |
N07718 |
- |
Bar |
| AMS 5664 |
Inconel 718 |
Nickel |
N07718 |
- |
Forging |
| AMS 5664 |
Inconel 718 |
Nickel |
N07718 |
- |
Ring |
| AMS 5832 |
Inconel 718 |
Nickel |
N07718 |
- |
Wire |
| AMS 5962 |
Inconel 718 |
Nickel |
N07718 |
- |
Bar |
| AMS 5962 |
Inconel 718 |
Nickel |
N07718 |
- |
Wire |
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