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Overview
Specifications
Inconel 718
Inconel 718 is a high-strength, corrosion-resistant nickel chromium material used at -423° to 1300°F. Outstanding welding characteristics and resistance to postweld cracking.
Mechanical Properties
| Property | Value (Typical Annealed) |
|---|---|
| Tensile Strength (psi) | 135,000 |
| Yield Strength (0.2% Offset, psi) | 70,000 |
| Elongation (%) | 45 |
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Nickel (plus Cobalt) | 50.0 – 55.0 |
| Chromium | 17.0 – 21.0 |
| Iron | Balance |
| Niobium (plus Tantalum) | 4.75 – 5.50 |
| Molybdenum | 2.80 – 3.30 |
| Titanium | 0.65 – 1.15 |
| Aluminum | 0.20 – 0.80 |
| Cobalt | 1.00 max |
| Carbon | 0.08 max |
| Manganese | 0.35 max |
| Silicon | 0.35 max |
| Phosphorus | 0.015 max |
| Sulfur | 0.015 max |