IncoNel 718 steel plate

Physical Properties

Density: 8.19 g/cm³

Melting Point: 1260-1335°C

Coefficient of thermal expansion: 13.3 μm/m-K (20-100℃)

Thermal Conductivity: 10.1 W/m-K (100℃)

Mechanical properties

Tensile Strength: 1275 MPa

Yield Strength: 1035 MPa

Tensile elongation: 12%

Hardness: HB 363 / HRB 83

Chemical Composition (Weight %)

Nickel (Ni): 50-55%

Chromium (Cr): 17-21%

Iron (Fe): Inventory

Molybdenum (Mo): 2.8-3.3%

Cobalt (Co): 1%

Aluminum (Al): 0.2-0.8%

Titanium (Ti): 0.7-1.2%

Zirconium (Zr): 0.1%

Carbon (C): 0.08%

Manganese (Mn): 0.35%

Application Fields

IncoThe 718 grade features excellent high-temperature properties and corrosion resistance, usable up to 704°C, and offers good resistance to chloride corrosion. It is applied in fields such as aerospace, shipbuilding, petrochemical, and nuclear industries.