WHAT IS THE COMPOSITION OF INCONEL 945?
Inconel 945 is a high-performance nickel-based superalloy known for its exceptional high-temperature strength, oxidation resistance, and corrosion resistance. Widely used in aerospace, petrochemical, and industrial applications, understanding its composition is critical for engineers, material buyers, and industrial professionals. SASA ALLOY provides high-quality Inconel 945 products, including pipes, bars, sheets, and custom machined components with EN 10204 3.1 certification and full material traceability.
Chemical Composition of Inconel 945
Inconel 945 is a nickel-iron-chromium superalloy, designed for excellent creep and fatigue resistance at elevated temperatures. The typical chemical composition includes:
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 45–55 |
| Chromium (Cr) | 19–23 |
| Iron (Fe) | 17–21 |
| Molybdenum (Mo) | 2–3 |
| Aluminum (Al) | 1.4–1.8 |
| Titanium (Ti) | 1.0–1.5 |
| Cobalt (Co) | 3–5 |
| Copper (Cu) | ≤1.0 |
| Carbon (C) | ≤0.05 |
| Manganese (Mn) | ≤0.35 |
| Silicon (Si) | ≤0.35 |
| Phosphorus (P) | ≤0.015 |
| Sulfur (S) | ≤0.015 |
| Boron (B) | 0.007–0.015 |
Mechanical and Physical Properties
- Tensile Strength: 1100–1250 MPa at room temperature
- Yield Strength: 690–750 MPa
- Elongation: 20–25%
- Hardness: HRC 30–35
- Service Temperature: Up to 1038°C in continuous operation
- Density: 8.1 g/cm³
Industrial Applications
- Aerospace: Turbine blades, engine components, high-temperature fasteners
- Power Generation: Gas turbines, heat exchangers, boilers, nuclear components
- Chemical Processing: Reactor vessels, high-temperature valves, piping in aggressive media
- Oil & Gas: Corrosion-resistant high-temperature piping and fittings
Quality Assurance
- Full EN 10204 3.1 material certificate
- Material traceability with heat number tracking
- PMI testing and UT inspection
- Compliance with ASTM B637, ASTM B444 and AMS standards
Conclusion
Understanding “What is the composition of Inconel 945?” is essential for engineers and buyers selecting the correct nickel alloy for high-temperature and high-stress applications. SASA ALLOY supplies Inconel 945 pipes, bars, sheets, and custom components with complete quality certification and traceability.
Call to Action
For high-quality Inconel 945 products with full EN 10204 3.1 certification and global shipping, contact SASA ALLOY today for pricing, technical support, and custom specifications.
Post time: May-28-2026