Alloy 840 / UNS N08840
Grade: Incoloy 840 / UNS N08840
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 840 is a nickel-iron-chromium alloy designed for high temperature oxidation resistance. The alloy offers good carburization resistance, thermal stability and long service life in elevated temperature environments. It is commonly selected for industrial heating and thermal processing applications.
Chemical Composition (%)
| Element | Content |
| Ni | 18-22 |
| Cr | 18-22 |
| Fe | Balance |
| Al | 0.4-1.0 |
| Ti | 0.3-0.7 |
| C | ≤0.08 |
Mechanical Properties (Typical)
| Property | Value |
| Tensile Strength | ≈500 MPa |
| Yield Strength | ≈200 MPa |
| Elongation | ≥30% |
Incoloy 840 is a nickel-iron-chromium alloy designed for high temperature oxidation resistance. The alloy offers good carburization resistance, thermal stability and long service life in elevated temperature environments. It is commonly selected for industrial heating and thermal processing applications.
Chemical Composition (%)
| Element | Content |
| Ni | 18-22 |
| Cr | 18-22 |
| Fe | Balance |
| Al | 0.4-1.0 |
| Ti | 0.3-0.7 |
| C | ≤0.08 |
Mechanical Properties (Typical)
| Property | Value |
| Tensile Strength | ≈500 MPa |
| Yield Strength | ≈200 MPa |
| Elongation | ≥30% |
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