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Inconel X-750 Nickel Alloy

The Inconel X-750 nickel alloy is similar to Inconel alloy 600 but made precipitation hardenable by adding aluminum and titanium and thereby shows excellent resistance to high temperature corrosion and oxidation along with high tensile and creep-rupture strength, relaxation resistance as well as good fabricating and welding properties.

The alloy X-750 also has outstanding mechanical properties down to cryogenic temperatures. With such properties, the nickel-chromium alloy is mainly used for high-temperature springs and bolts, gas turbine blades, rocket engines, abrasion wheels, high pressure vessels, etc.

Specification of Inconel X-750 Nickel Alloy
UNS W. Nr
N07750 2.4669
Chemical Compositions
Composition Ni Cr Fe Nb Co C Mn Si S Cu Al Ti P
Content (%) Min. Bal. 14 5.0 0.7 0.4 2.25
Max. 17 9.0 1.2 1.00 0.08 1.00 0.50 0.01 0.5 1.0 2.75 0.02
Mechanical Properties (Minimum value at 20℃)
Tensile Strength (σb/MPa) Yield Strength (σp0.2/MPa) Elongation (σ5/%)
910 550 25
Product Forms and Standards
Bar Forging Sheet/Strip Wire
ASTM B637 ASTM B637 AMS 5542
AMS 5598
AMS 5698
AMS 5699
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