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Inconel X-750/Alloy X-750/UNS N07750/W. Nr. 2.4669

Inconel X-750/Alloy X-750/UNS N07750/W. Nr. 2.4669

Inconel X-750 (Alloy X-750), with UNS N07750 and W.Nr. 2.4669, is a nickel-chromium alloy known for its excellent strength, oxidation, and corrosion resistance at high temperatures. It is widely used in gas turbines, jet engines, and other high-stress environments where superior performance is required at elevated temperatures.

Inconel X-750 offers excellent resistance to thermal-fatigue and creep, along with outstanding stability at high temperatures. This makes it a preferred material for applications in the aerospace, power generation, and chemical industries, particularly for components like turbine blades, combustion chambers, and heat exchangers that are exposed to extreme conditions.

Inconel X-750/Alloy X-750/UNS N07750/W. Nr. 2.4669
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Inconel X-750/Alloy X-750/UNS N07750/W. Nr. 2.4669 Chemical Compositions

Nickel (Ni) 70% min
Copper (Cu) 14-17%
Iron (Fe) 5-9%
Titanium (Ti) 2.25-2.75%
Aluminum (Al) 0.4-1%
Niobium+Tantalum (Nb+Ta) 0.7-1.2%
Manganese (Mn) 1% max
Silicon (Si) 0.5% max
Sulfur (S) 0.01% max
Copper (Cu) 0.5% max
Carbon (C) 0.08% max
Cobalt (Co) 1% max

Inconel X-750/Alloy X-750/UNS N07750/W. Nr. 2.4669 Physical Properties

Density lb/in3 0.299
g/cm3 8.28
Melting Range °F 2540-2600
°C 1393-1427
Curie Temperature °F
As hot-rolled -225
Triple-heat-treated (2100°F/2 hr, A.C.  +1500°F
/24 hr, A.C., + 1300°F/20 hr, A.C.) -193
Magnetic Permeability, 70°F 200H
As Hot-Rolled 1.0020
Triple-heat-treated (2100°F/2 hr, A.C. +1500°F
/24 hr, A.C., + 1300°F/20 hr, A.C.) 1.0035
Emissivity oxidized surface
600°F 0.895
2000°F 0.925
Linear Contraction during Precipitation Treatment (1300°F/20

hr)

 in/in
 Hot-Rolled 0.00044
20% Cold-Rolled 0.00052
Annealed 0.0002

Inconel X-750/Alloy X-750/UNS N07750/W. Nr. 2.4669 Mechanical Properties

Temperature

Yield strength

Tensile strength

Elongation

Rp 0.2

Rm

A

°C

°F

MPa

ksi

MPa

ksi

%

20

68

975

141.1

1325

192.2

23.6

Inconel X-750/Alloy X-750/UNS N07750/W. Nr. 2.4669 Standard Specifications

RoBar, Rod and Forgings Plate, Sheet, and Strip Wire
ASTM B 637/ASME SB 637 SAE AMS 5542 and 5598 SAE AMS 5698 and 5699

Standard product forms of Inconel X-750/Alloy X-750/UNS N07750/W. Nr. 2.4669 are pipe, tube, sheet, strip, plate, round bar, flat bar, forging stock, hexagon and wire. The products are available in a wide variety of sizes. Please contact us at [email protected] for full information. 

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