Inconel 718, UNS N07718, W.nr. 2.4668

age-hardenable Nickel-Chromium-Columbium (Niobium)-Molybdenum

alloy with high strength, corrosion-resistance, and good fabrication characteristics.

Inconel 718 has high tensile, yield, and creep-rupture properties at high temperatures and

can operate at cryogenic temperatures up to 1200°F (650°C).

Inconel 718 Chemical Composition
Ni: 50.0 – 55.0
Cr: 17.0 – 21.0
Cb (Nb): 4.75 – 5.5
Mo: 2.8 – 3.3
Ti: 0.65 – 1.15
Fe: balance
Co: 1.0 max
Al: 0.2 – 0.8
Mn: 0.35 max
Si: 0.35 max
Cu: 0.3 max

Specifications
Wire & Bar: AMS 5662, AMS 5663, AMS 5664, AMS 5832, AMS 5962, ASME SB-637, ASTM B637,

AWS A5.14, NACE MR0175 (ISO 15156-3).

INCONEL alloy 718 Strip (Nickel Alloy 718) Coil, Foil to AMS 5596, AMS 5597, ASTM B670,

UNS N07718, W.Nr. 2.4668

Industries served
Oil & Gas Extraction, Nuclear, Aerospace, Defense and Automotive.

Physical Properties
Density: 0.296 lb/in3, (8.19 g/cm3)

Modulus of Elasticity (E):
At 70°F (20°C): 29.0 x 103 ksi (200 GPa)

Modulus of Rigidity (G):
At 70°F (20°C): 11.6 x 103 ksi (80 GPa)

Coefficient of Expansion:
7.7 µin/in.-°F (70°F to 600°F)
13.9 µm/m-°C (20°C to 300°C)

Electrical Resistivity: 47.5 µΩ.in, (121 µΩ.cm)

Thermal Conductivity: 79 Btu-in/ft2hr-°F, (11.4 W/m-K)

Wuxi Guanglu Special Steel Co., Ltd. – your productivity partner for high performance specialty alloys.

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