Alloy 903 / UNS N19903
Grade:Incoloy 903 / UNS N19903
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 903 is a nickel-iron-cobalt alloy strengthened by titanium and aluminum additions. It provides high strength, controlled thermal expansion and good fatigue resistance. The alloy is widely applied in aerospace components requiring dimensional stability and high temperature performance.
Chemical Composition (%)
| Element | Content |
| Ni | 38-40 |
| Fe | Balance |
| Co | 12-14 |
| Nb | 4.8-5.5 |
| Ti | 1.3-1.8 |
| Al | 0.5-1.0 |
Mechanical Properties (Typical)
| Property | Value |
| Tensile Strength | ≈1170 MPa |
| Yield Strength | ≈760 MPa |
| Elongation | ≥10% |
Applications
- Aerospace fasteners
- Gas turbine components
- Precision engineering parts
- High temperature structural components
Incoloy 903 is a nickel-iron-cobalt alloy strengthened by titanium and aluminum additions. It provides high strength, controlled thermal expansion and good fatigue resistance. The alloy is widely applied in aerospace components requiring dimensional stability and high temperature performance.
Chemical Composition (%)
| Element | Content |
| Ni | 38-40 |
| Fe | Balance |
| Co | 12-14 |
| Nb | 4.8-5.5 |
| Ti | 1.3-1.8 |
| Al | 0.5-1.0 |
Mechanical Properties (Typical)
| Property | Value |
| Tensile Strength | ≈1170 MPa |
| Yield Strength | ≈760 MPa |
| Elongation | ≥10% |
Applications
- Aerospace fasteners
- Gas turbine components
- Precision engineering parts
- High temperature structural components
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