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Model No: AMS 5668 X-750

AMS 5668 X-750 Nickel Alloy Bar

ZYTC Alloy supplies AMS 5668 Inconel X-750 precipitation hardening nickel alloy bars, forgings and profiles. Triple heat treated, high creep & relaxation resistance for aerospace, gas turbine and nuclear applications. Full certification & custom service available.

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AMS 5668 specification covers a corrosion- and heat-resistant nickel alloy in the form of bars, forgings, flash-welded rings 10.0 inches (254 mm) and under in nominal diameter or distance between parallel sides, and stock of any size for forging, flash-welded rings, or heading. Solution and Precipitation Heat Treated.

Alloy X-750 is a nickel-chromium alloy which has been made precipitation-hardenable by the additions of aluminum and titanium. Alloy X-750 has good resistance to corrosion and oxidation along with high tensile and creep rupture properties at temperature up to 1300ºF (700ºC). Due to X-750's excellent relaxation resistance it is useful for applications as high-temperature springs and bolts, X-750 is also used in gas turbines, rocket engines, nuclear reactors, pressure vessels, tooling and aircraft structures.

Full Product Range & Specifications

As a one-stop X-750 nickel alloy supplier, ZYTC Alloy provides complete product forms covering all industrial processing needs:

Bar Series: Round bar, flat bar, hexagon bar, precision solid bar
Plate & Sheet Series: Plate, sheet, strip
Special Profiles: Forging stock, extruded sections, seamless tube, welding wire
Custom Processing: Fixed-length cutting, precision machining, customized forgings and flash-welded rings (≤254mm)

Standards

All products are strictly produced and inspected in accordance with global aerospace and industrial standards:

Bar/Forging:AMS 5667, AMS 5668, AMS 5669, AMS 5670, AMS 5671, AMS 5747, ASTM B637, ASME SB637, EN10269, ISO 9723/9724/9725
Plate/Sheet/Strip:AMS 5542, AMS 5598, ISO 6208
Wire: AMS 5698, AMS 5699, BS HR 505
Material Grade: UNS N07750, UNS N07752, W.Nr 2.4669

Chemical Composition

Weight %

Ni +(Co)

Cr

Fe

Ti

Al

Nb + (Ta)

Mn

Si

S

Cu

C

Co

X-750
UNS N07750

70 min

14-17

5-9

2.25-2.75

0.40-1.0

0.70-1.2

1 max

0.50 max

0.01 max

0.50 max

0.08 max

1 max

UNS N07752 is available in billets for forging. UNS N0772 has limits of 0.05% on both Carbon and Cobalt

Typical Mechanical Properties

Material	Size	Ultimate Tensile Strength ksi	Yield Strength (0.2% Offset) Ksi	Elongation in 4D(%)	% Reduction of Area
Alloy X-750 Bar	Under 4.0"	165.0	105	20	25
Alloy X-750 Bar	4.0"and over	160	100	15	17
Properties as described in AMS 5667 which requires that material following 1625°F/24 hrs, AC-Equalising + precipitation treatment have the following minimum room temperature properties. Hardness will lie in the range of 302-363 BHN

Rod, Bars and Forgings are available with the following heat treatments

AMS 5668 - 2100°F anneal + 1550°F/24 hr, AC, +1300°F/20hr, AC (triple heat treatment). AMS 5668 has maximum creep, relaxation and rupture strength above about 1100°F.

Applications

Aerospace & Aviation: Gas turbine components, rocket engine parts, aircraft structural fasteners
High-Temperature Industrial Parts: High-temperature springs, precision bolts, pressure vessel components
Energy Industry: Nuclear reactor internal components, thermal power equipment accessories
Precision Tooling: High-temperature resistant industrial tooling and forming dies

ZYTC Alloy Manufacturing Strength

We implement full-process quality control from raw material smelting, professional triple heat treatment, precision rolling to finished product testing. Every batch of AMS 5668 X-750 alloy undergoes strict mechanical performance testing, microstructure inspection and dimensional tolerance verification. We provide complete MTR certificates, full material traceability, flexible MOQ and global fast delivery, supporting aerospace, energy and high-end industrial clients’ trial orders and mass production projects.

Get Custom Quote

Looking for certified AMS 5668 Inconel X-750 nickel alloy bars, forgings and profiles? Send your size specifications, heat treatment requirements and application scenarios. ZYTC Alloy’s professional engineering team will provide customized solutions and competitive quotations within 24 hours.

Contact ZYTC Alloy Today

📧Email:daisy@zytcsteel.com
📲WhatsApp: +86 17335753350