Inconel 718 wire is a nickel-chromium-molybdenum alloy designed to resist a wide range of severely corrosive environments, pitting and crevice corrosion.

Inconel 718 wire also displays exceptionally high yield, tensile, and creep-rupture properties at high temperatures. It has exceptionally high yield, tensile and creep-rupture properties at temperatures up to 1300°F (704°C). One of the distinguishing features of Inconel 718 wire's composition is the addition of niobium to permit age hardening which allows annealing and welding without spontaneous hardening during heating and cooling. The addition of niobium acts with the molybdenum to stiffen the alloy's matrix and provide high strength without a strengthening heat treatment. Other popular nickel-chromium alloys are age hardened through the addition of aluminum and titanium. This nickel steel alloy is readily fabricated and may be welded in either the annealed or precipitation (age) hardened condition.  

Inconel 718 wire is used in a variety of industries such as aerospace, chemical processing, marine engineering, pollution-control equipment, and high-speed airframe parts such as wheels, buckets, spacers, and high temperature bolts and fasteners.

Inconel 718 wire Properties:

Good mechanical properties – tensile, fatigue and creep-rupture Yield tensile strength, creep, and rupture strength properties are exceedingly high Highly resistant to chloride and sulfide stress corrosion cracking Resistant to aqueous corrosion and chloride ion stress corrosion cracking High temperature resistant Age-hardenable with a unique property of slow aging response that permits heating and cooling during annealing without the danger of cracking. Excellent welding characteristics, resistant to post weld age cracking

Inconel 718 Wire Applications:

Chemical processing Aerospace Liquid fuel rocket motor components Pollution-control equipment Nuclear reactors Cryogenic storage tanks Valves, fasteners, springs, mandrels, tubing hangers Well head completion equipment and blow out preventers (BOP's) Gas turbine engine parts

Inconel 718 Chemical Composition, %
Ni	Fe	Cr	Cu	Mo	Nb	C	Mn
50.00-55.00	Remainder	17.00-21.00	.30 max	2.80-3.30	4.75-5.50	.08 max	.35 max
P	S	Si	Ti	Al	Co	B
.015 max	.015 max	.35 max	.65-1.15	.20-.80	1.00 max	.006 max

A Comparison of Inconel Alloy Properties
Type	YieldStrength 70°F ksi	MeltingRange °F	RuptureStrength; 100h, °F, ksi
600	41.3	2471 - 2579	1600, 5.3
601	49.0	2471- 2579	1600,7.0
625	71	2300- 2435	1600,10.5
718	172	2300- 2435	1200,100
800	36.3	2471- 2525	1800,21

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