Inconel 718 Plate Features
- High strength even at cryogenic temperatures
- Outstanding oxidation resistance
- High electrical and thermal conductivity
- Low coefficient of thermal expansion
- Good tensile and creep rupture strength
- Intergranular corrosion resistance
- High thermal shock resistance
- Low magnetic permeability, etc
World-Leading Inconel 718 Plate Supplier
Inconel 718 plate is a high-strength, corrosion-resistant alloy. This alloy is composed of nickel, chromium, iron, and other elements. Known for its exceptional mechanical properties and resistance to high pressure for up to 1300°F (704°C).
Tuolian Inconel 718 plate is available in thicknesses up to 4 inches, & widths up to 96 inches. You can request from our variety of surface finishes, including cold-rolled, hot-rolled, and polished finishes. This alloy is typically supplied in the annealed condition but can be heat-treated to achieve specific material properties.
At Tuolian you can get the accurate and custom Inconel 718 plate for your projects. Custom services we offer:
- Rapid turnaround and delivery
- Competitive Pricing
- Design Consultation
- In-house engineering and prototyping
- Full-service machining and fabrication
- On-site installation and support services
Wide Applications
- Aerospace parts
- Motorsports parts
- Nuclear reactors
- Heat exchangers
- Pressure vessels
- Cryogenic storage tanks
- Structural components
- Military components
- Power plant components
- Chemical processing equipment
- High-temperature fasteners
- Offshore drilling components, etc.

Chemical Composition
Nickel | 50.00 to 55.00% |
Chromium | 17.00 to 21.00% |
Iron | 5.50 to 9.00% |
Cobalt | 2.80 to 3.30% |
Niobium | 4.75 to 5.50% |
Molybdenum | 2.80 to 3.30% |
Titanium | 0.65 to 1.15% |
Aluminum | 0.20 to 0.80% |
Manganese | 0.35 to 0.80% |
Carbon | 0.08 max |
Silicon | 0.35 max |
Phosphorus | 0.015 max |
Sulfur | 0.015 max |
Boron | 0.006 max |
Mechanical Properties
Tensile strength | 827 MPa (120 ksi) |
Yield strength | 621 MPa (90 ksi) |
Elongation | 30-35% |
Hardness | Rockwell C38-C45 |
Modulus of Elasticity | 206 GPa (30 x 106 psi) |
Density | 8.2 g/cm3 (0.297 lb/in3) |
Thermal Conductivity | 15 W/mK (10.5 Btu/hr-ft-°F) |
Thermal Expansion | 9.6 x 10-6/°C (5.4 x 10-6/°F) |