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inconel718 chemical composition:
|
Element |
Min |
Max |
|
Carbon |
-- |
0.08 |
|
Manganese |
-- |
0.35 |
|
Silicon |
-- |
0.35 |
|
Phosphorus |
-- |
0.015 |
|
Sulfur |
-- |
0.015 |
|
Nickel + Cobalt |
50.0 |
55.0 |
|
Chromium |
17.0 |
21.0 |
|
Cobalt |
-- |
1.00 |
|
Iron |
Balance |
|
|
Aluminum |
0.35 |
0.80 |
|
Molybdenum |
2.80 |
3.30 |
|
Titanium |
0.65 |
1.15 |
|
Boron |
0.001 |
0.006 |
|
Copper |
-- |
0.15 |
|
Cb + Ta |
4.75 |
5.50 |
Developed in the early 1960's, IN718 is still considered the material of choice for the majority of aircraft engine components with service temperatures below 1200°F (650°C). Inconel 718 is a precipitation-hardenable nickel-chromium alloy containing also significant amounts of iron, niobium, and molybdenum along with lesser amounts of aluminum and titanium. It combines corrosion resistance and high strength with outstanding weldability including resistance to postweld cracking. The alloy has excellent creep-rupture strength at temperatures to 1300°F (700°C).
Applications: Aerospace, gas turbines, rocket motors, spacecraft, space shuttles, nuclear reactors, pumps, turbo pump seals, and tooling.
Forms: round, flat, extruded section, pipe, tube, forging stock, plate, sheet, strip and wire.
Data provided by the manufacturer, Special Metals.
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