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Alloy 718 Tube

Technical Data Sheet

Alloy 718 (UNS N07718, W Nr 2.4668) is an austenitic nickel-based superalloy. Alloy 718 exhibits excellent high yield tensile and creep-rupture properties at temperatures up to 1300ºF and oxidation resistance to 1800ºF. Alloy 718 is used in applications that require high strength such as parts for jet engines and high speed airframe parts such as wheels, buckets, spacers and high temperature bolts and fasteners.

Chemical Composition Limits
Weight %	C	Mn	P	S	Si	Cr	Ni	Mo	Cb	Ta	Ti	Al	Co	B	Cu	Fe
Alloy 718 AMS 5662	0.08	0.35	0.015	0.015	0.35	17-21	50-55	2.8-3.30	4.75-5.50	0.05	0.65-1.15	0.20-0.80	1.00	0.006	0.30	Rem

Typical Mechanical Properties

Material	Condition	Tensile Strength Ksi	Yield Strength Ksi	Elongation (%)	Hardness
AMS 5589 Tube	Solution Annealed	155	95	30
AMS 5589 Tube	Solution Annealed and Aging	185	150	12	≥36 HRC
(1700°F-1850°F Solution Anneal)

Availability
Alloy 718 is available in Tube Bar (Rounds, Flat, Shapes), Wire, Billet, Strip, Rod, Sheet, Plate. For all stock availability contact Sales.

Alloy 718 Tube is available the following size ranges.

Outside Diameter	-	0.25mm (0.010") up to 16.00mm (0.625")
Wall	-	0.05mm (0.002") up to 1.00mm (0.040")
Straight Lengths	-	1.00mm (0.040") up to 5000.00mm (197")
Coils Lengths	-	5 Metres to 15 Metres
Standard Tolerance	-	OD &ID +/-0.03mm (0.0012")
	-	Wall +/- 10%
Tight Tolerance	-	OD&ID +/- 0.015mm (0.0006")
	-	Wall +/-3%
Some thin wall tubes up to 25.40 mm (1.000") can be supplied. BACK TO MAIN 718 DATA PAGE

Specifications
UNS N07718
Werkstoff Nr 2.4668
AMS 5596 Sheet, Strip and Plate
AMS 5597 Sheet, Strip and Plate
AMS 5589 Seamless Tube
AMS 5590 Seamless Tube
AMS 5662 Bars, Forgings and Rings
AMS 5663 Bars, Forgings and Rings
AMS 5664 Bars, Forgings and Rings
AMS 5832 Welding Wire
ASTM B637 Forgings
ASTM B670 Plate, Sheet and Strip
AFNOR NC 19 Fe Nb,
MSRR 7115 and MSRR 7116

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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.