X750 is a Nickel-Chromium alloy made precipitation hardenable by additions of Al and Ti, having creep-rupture strength at high temperatures to about 700°C (1290°F). INCONEL® alloy 718 (UNS N07718/W.Nr. 2.4668) is a high-strength, corrosion-resistant nickel chromium material used at -423° to 1300°F.

Inconel X750

Inconel X750 Chemical Composition

GradeNiCrAlCMnTiCuSiS
Inconel X-75070.0 min14.0 – 17.00.40 – 1.0.08 max1.00 max2.25 – 2.750.50 max.50 max.01 max

Inconel X750 Melting Point, Density and Tensile Strength

DensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
8.28 g/cm31430°C1267 MPa868 MPa25 %

Inconel X750 Equivalent Grades

STANDARDWERKSTOFF NR.UNS
Inconel X-7502.4669N07750

Inconel 718

Inconel 718 Chemical Composition

GradeCMnSiFeSCrAlNi
718min.bal17.00.250.0
max.0.080.350.35bal0.0121.00.855.0

Inconel 718 Melting Point, Density and Tensile Strength

ElementDensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
8258.14 g/cm31400 °C (2550 °F)Psi – 80,000 , MPa – 550Psi – 32,000 , MPa – 22030 %

Inconel 718 Equivalent Grades

GradeUNS NoOld BritishEuronormGOSTJapanese JIS
BSEnNoAFNOR
Inconel 718N077182.4668