Alloy 690 / UNS N06690
Grade: Inconel 690 / UNS N06690/Alloy 690/Nickel Alloy 690/W.Nr. 2.4642/NiCr29Fe9/NCF690
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
INCONEL 690 is a nickel-chromium alloy designed for excellent resistance to high-temperature corrosion, oxidation and stress corrosion cracking. Its high chromium content provides outstanding resistance in aggressive environments, especially nuclear steam generator applications.
Chemical Composition (wt.%):
| Element | Content |
| Ni | Balance |
| Cr | 27.0-31.0 |
| Fe | 7.0-11.0 |
| C | ≤0.05 |
| Mn | ≤0.50 |
| Si | ≤0.50 |
Mechanical Properties:
| Property | Typical Value |
| Tensile Strength | ≥655 MPa |
| Yield Strength | ≥275 MPa |
| Elongation | ≥35% |
Applications:
- Nuclear steam generator tubing
- Heat exchangers
- Chemical processing equipment


INCONEL 690 is a nickel-chromium alloy designed for excellent resistance to high-temperature corrosion, oxidation and stress corrosion cracking. Its high chromium content provides outstanding resistance in aggressive environments, especially nuclear steam generator applications.
Chemical Composition (wt.%):
| Element | Content |
| Ni | Balance |
| Cr | 27.0-31.0 |
| Fe | 7.0-11.0 |
| C | ≤0.05 |
| Mn | ≤0.50 |
| Si | ≤0.50 |
Mechanical Properties:
| Property | Typical Value |
| Tensile Strength | ≥655 MPa |
| Yield Strength | ≥275 MPa |
| Elongation | ≥35% |
Applications:
- Nuclear steam generator tubing
- Heat exchangers
- Chemical processing equipment
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