Alloy 909 / UNS N19909
Grade: Incoloy 909 / UNS N19909
Sheet/Plate: 0.3mm-150mm
Strip/Foil: 0.02mm-16mm
Pipe: 6mm*0.5mm-1200mm*100mm
Bar: Ф6mm – Ф600mm
Wire: Ф0.01mm – Ф6mm
Others: Forged Rings, Flanges, Elbows, Tees, Reducers etc.
Standard: ASTM/ASME/AMS
- Fast Shipping / Ready Stock
- ISO 9001 Factory
- Custom Cutting
- 100% MTC & SGS Inspection
Incoloy 909 is a precipitation-hardenable nickel-iron-cobalt alloy with low thermal expansion, high strength and excellent dimensional stability. It maintains a nearly constant expansion coefficient and elastic modulus, making it suitable for aerospace and precision applications requiring stable performance at elevated temperatures.
Chemical Composition (%)
| Element | Content |
| Ni | Bal. |
| Fe | Bal. |
| Co | 12-16 |
| Nb | 4.5-5.5 |
| Ti | 1.3-1.8 |
| Si | ≤0.25 |
Mechanical Properties (Typical)
| Property | Value |
| Tensile Strength | ≈1035 MPa |
| Yield Strength | ≈690 MPa |
| Elongation | ≥15% |
Applications
- Gas turbine components
- Aerospace engine parts
- Precision mechanical systems
- High temperature fasteners


Incoloy 909 is a precipitation-hardenable nickel-iron-cobalt alloy with low thermal expansion, high strength and excellent dimensional stability. It maintains a nearly constant expansion coefficient and elastic modulus, making it suitable for aerospace and precision applications requiring stable performance at elevated temperatures.
Chemical Composition (%)
| Element | Content |
| Ni | Bal. |
| Fe | Bal. |
| Co | 12-16 |
| Nb | 4.5-5.5 |
| Ti | 1.3-1.8 |
| Si | ≤0.25 |
Mechanical Properties (Typical)
| Property | Value |
| Tensile Strength | ≈1035 MPa |
| Yield Strength | ≈690 MPa |
| Elongation | ≥15% |
Applications
- Gas turbine components
- Aerospace engine parts
- Precision mechanical systems
- High temperature fasteners
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