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	PRODUCT DATA of Inconel X-750

Material	Inconel X-750
Product Datasheet	Inconel alloy X-750
General Information	Inconel X-750 is a high-strength oxidation-resistant nickel-base alloy. It is used for parts requiring high strength up to 538 C or high creep strength up to 815 C and for low -stressed parts operating up to 1038 C. It is hardenable by various combinations of solution treatment and aging, depending on its form and application.
Precautions	Typical data in the overaged condition
Chemical Composition	Ni-16Cr-8Fe-1Co-1Nb-2.5Ti

	EXPERIENCE IN PRACTICE

Development Status	Commercial Product
Equivalent Designations	Haynes X-750; Pyromet X-750

	PHYSICAL PROPERTIES

Specific Gravity	8.26
Curie Temperature	-125 C Remark:heat treated In hot rolled cond: -143C
Relative Permeability	1 Remark:Heat treated condition Data Quality: Manufacturer's data

	ELASTIC PROPERTIES

Tensile Modulus	214 GPa
Poisson Ratio	0.29

	ELECTRICAL PROPERTIES

Electrical Volume Resistivity

0.00000121 ohm.m Data Quality: Manufacturer's data

	THERMAL PROPERTIES

Thermal Conductivity	12 W/m.K Data Quality: Manufacturer's data
Thermal Expansion Coefficient	10.2 μstrain/°C Data Quality: Manufacturer's data
Melting Range	1400 to 1430 °C
Specific Heat	0.419 J/g.K Data Quality: Manufacturer's data

	RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY

Stress Corrosion Status	High Resistance to SCC: Table 1 Data Quality: Design Data
Bimetallic Corrosion	Can be connected without any restriction to: 400 series Stainless steel Can be connected in a non-controlled environment to the above and 300 series stainless steel, Ti and Ti-alloys, Cr, Cu, brasses, Cu-Ni, Al-bronzes, Si-bronzes, Can be connected in a clean room environment to above and Ag, SnPb alloys, Sn, Pb, low C steel, Al-Cu alloys, Cd, Au Needs specific measures: All others Test:ECSS-Q-ST-70C Rev.1 Table 5.1 Data Quality: Design Data
Machinability	X-750 work hardens quickly and is more difficult to machine than most standard ferritic and martensitic alloys. The alloy is most easily machined in the stress-equalized
Welding	X-750 should be welded in the stress-equalized condition, 885°C heat treatment, and solution treated and age hardened after welding has been completed.