Nickel alloy inconel 718 bar
Nickel alloy inconel 718 bar
Nickel alloy inconel 718 bar
718 plate, round bar, sheet, welding products Alloy 718, Inconel 718, Nickel 718
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Product description
Inconel 718 is a high strength nickel base superalloy used for cryogenic temperatures up to long term service at 1200°F. The alloy is readily fabricated and may be welded in either the annealed or precipitation (age) hardened condition. Anneal 1700 -1850°F, air cool or faster. Age 1325°F 8 hours, furnace cool to hold at 1150°F, for a total aging time of 18 hours, air cool. Alloy 718 will show a contraction of 0.0008 inch/inch after precipitation hardening.
Chemistry
| Ni+Co | Cr | Cb+Ta | Ti | AI | Co | C | Mo | Mn | |
| MIN | 50.00 | 17.00 | 2.80 | 0.65 | 0.20 | ---- | 4.75 | ---- | ---- |
| MAX | 55.00 | 21.00 | 3.30 | 1.15 | 0.80 | 1.00 | 5.5 | 0.08 | 0.35 |
| Si | P | S | B | Cu | Fe |
| 0.35 | 0.015 | 0.015 | 0.006 | 0.30 | Balance |
Alloy Form
718 plate, round bar, sheet, welding products
Common Trade Names
Alloy 718, Inconel 718, Nickel 718
Features
Good mechanical properties: tensile, fatigue and creep-rupture
Excellent welding characteristics, resistant to postweld age cracking
Oxidation resistant throughout its useful temperature range
Applications
Gas turbine engine parts
Liquid fuel rocket motor components
Springs, fasteners
Cryogenic tanks
Physical Properties
Density: 0.296 lb/in3 annealed, 0.274 lb/in3 aged
Melting point: 2410 - 2540°F
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