Inconel 718 Seamless Pipe

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 Mo Ti Al Co C Mn Si P S B Cu Fe MIN 50.00 17.00 4.75 2.80 0.65 0.20 -- --…