INCONEL® alloy 718 (UNS N07718/W.Nr. 2.4668) is a
Inconel 718 – Material for Extreme Conditions
Inconel 718 is a premium nickel-chromium alloy offering exceptional corrosion resistance, thermal stability, and strength in demanding conditions. These characteristics make it an ideal choice for the energy sector, aerospace, automotive industries, and other fields where materials face extreme pressure, high temperatures, and corrosive environments.
Inconel 718 is known for its:
Thanks to its unique properties, Inconel 718 is widely used in the following applications:
WTE PowerSteel is a leading stockist and global distributor of Inconel 718, supplying this high-performance alloy to industries worldwide. With a focus on quality and technical expertise, WTE PowerSteel offers reliable support and guidance in selecting and processing Inconel 718 for your specific needs and applications. Contact us for more information on our worldwide distribution and how Inconel 718 can benefit your projects.
Inconel® 718’s composition enables exceptional resistance to oxidation, corrosion, and mechanical stress:
Element | Percentage (%) |
---|---|
Nickel (Ni) | 50.0 – 55.0 |
Chromium (Cr) | 17.0 – 21.0 |
Iron (Fe) | Balance |
Molybdenum (Mo) | 2.8 – 3.3 |
Niobium (Nb) | 4.75 – 5.50 |
Titanium (Ti) | 0.65 – 1.15 |
Aluminum (Al) | 0.2 – 0.8 |
Manganese (Mn) | 0.35 max |
Silicon (Si) | 0.35 max |
Carbon (C) | 0.08 max |
Phosphorus (P) | 0.015 max |
Sulfur (S) | 0.015 max |
Property | Typical Value |
---|---|
Density | 8.19 g/cm³ |
Tensile Strength | 965 – 1275 MPa |
Yield Strength (0.2% offset) | 550 – 1035 MPa |
Elongation at Break | 12-25% |
Hardness | 330 HBW |
Modulus of Elasticity | 205 GPa |
Inconel® 718 performs exceptionally in high-stress applications with temperatures up to 700°C (1292°F), combining high tensile strength with substantial resistance to creep and stress rupture.
Temperature (°C) | Tensile Strength (MPa) | Yield Strength (MPa) | Creep Rupture Strength (1000 hrs) |
---|---|---|---|
500 | 900 | 650 | 300 |
600 | 750 | 580 | 200 |
700 | 650 | 500 | 150 |
Property | Value |
---|---|
Thermal Conductivity | 11.4 W/m·K |
Electrical Resistivity | 1.3 µΩ·m |
Thermal Expansion | 12.8 µm/m·°C (20 – 700°C) |
Specific Heat Capacity | 435 J/kg·K |
Alloy 718 has high corrosion resistance across a wide temperature range, with excellent performance in oxidative and slightly acidic environments, even under corrosive elements typical in marine, oil, and gas industries.
Inconel® 718’s balance of high-temperature performance, corrosion resistance, and durability makes it ideal for critical applications like turbine components, nuclear reactors, downhole tools in oil and gas, and aerospace engine parts where material failure is not an option.
Round bar Inconel® 718 / 2.4668
Kruhová tyč Inconel® 718 / 2.4668
Kruhová tyč Inconel® 718 / 2.4668
Pręt okrągły Inconel® 718 / 2.4668
Rundstab Inconel® 718 / 2.4668
Barre ronde Inconel® 718 / 2.4668
Barra redonda Inconel® 718 / 2.4668
Barra redonda Inconel® 718 / 2.4668
Barra tonda Inconel® 718 / 2.4668
Ronde staaf Inconel® 718 / 2.4668
Rundstang Inconel® 718 / 2.4668
Rundstång Inconel® 718 / 2.4668
Pyörötanko Inconel® 718 / 2.4668
Rundstang Inconel® 718 / 2.4668
Kerek rúd Inconel® 718 / 2.4668
Bară rotundă Inconel® 718 / 2.4668
Кръгла шина Inconel® 718 / 2.4668
Στρογγυλή ράβδος Inconel® 718 / 2.4668
Круглый пруток Inconel® 718 / 2.4668
Круглий пруток Inconel® 718 / 2.4668
Okrugla šipka Inconel® 718 / 2.4668
Okrugla šipka Inconel® 718 / 2.4668
Okrugla šipka Inconel® 718 / 2.4668
Okrogla palica Inconel® 718 / 2.4668
Shufër e rrumbullakët Inconel® 718 / 2.4668
Ümarvarras Inconel® 718 / 2.4668
Apaļstienis Inconel® 718 / 2.4668
Apvalus strypas Inconel® 718 / 2.4668
Virga tonda Inconel® 718 / 2.4668
Hringstangir Inconel® 718 / 2.4668