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.
Inconel Pipe Inconel 718 Alloy 718 UNS N07718 2.4668 Seamless Pipe
Chemical Compostion:
Ni+Co
Cr
Cb+Ta
Mo
Ti
Al
Co
C
Mn
Si
P
S
B
Cu
Fe
MIN
50.00
17.00
4.75
2.80
0.65…