Nickel Alloy 690 UNS N06690
Products Description Nickel Alloy 690 also exhibits good mechanical strength and high-temperature stability. It can maintain its structural integrity and performance even at elevated temperatures, which is crucial in applications such as gas turbines and heat exchangers. The alloy's ability...
Description
Products Description
| Chemical Composition | |||||||
| C | Cr | Mn | Fe | Ni | Si | S | Cu |
| 0.05Max | 27.0-31.0 | 0.5Max | 7.0-11.0 | 58.0Min | 0.5Max | 0.015Max | 0.5Max |
|
Temperature Tensile Properties |
|||||||
| Form | Size | Yield Strength | Tensile Strength | Elongation | |||
| in. | mm | ksi | MPa | ksi | MPa | % | |
| Tube, cold drawn | 0.50 x 0.050 | 12.7 x 1.27 | 66.8 | 461 | 110 | 758 | 39 |
| 0.75 x 0.065 | 19.0 x 1.65 | 55 | 379 | 101.5 | 700 | 46 | |
| 3.50 x 0.216 | 88.9 x 5.49 | 40.9 | 282 | 94 | 648 | 52 | |
| Flat, hot rolled | 0.5 x 2.0 | 13 x 51 | 51 | 352 | 102 | 703 | 46 |
| Rod, hot rolled | 2.0 dia. | 51 dia. | 48.5 | 334 | 100 | 690 | 50 |
| Rod, hot rolled | 0.62 dia. | 16 dia. | 54 | 372 | 107 | 738 | 44 |
| Strip, cold rolled | 0.150 thick | 3.81 | 50.5 | 348 | 105 | 724 | 41 |
Nickel Alloy 690 also exhibits good mechanical strength and high-temperature stability. It can maintain its structural integrity and performance even at elevated temperatures, which is crucial in applications such as gas turbines and heat exchangers. The alloy's ability to resist creep and stress rupture at high temperatures enables it to operate reliably in demanding thermal conditions.
The composition of Nickel Alloy 690 typically includes a significant amount of nickel, along with chromium and other alloying elements. The chromium content contributes to its corrosion resistance by forming a passive oxide layer on the surface. This layer acts as a protective barrier, preventing further oxidation and corrosion.
In the nuclear power industry, Nickel Alloy 690 is used in steam generator tubing due to its resistance to stress corrosion cracking and intergranular attack. It helps to ensure the safe and efficient operation of nuclear reactors by withstanding the harsh conditions within the steam generation system.
Overall, Nickel Alloy 690 UNS N06690 is a versatile and reliable material that offers a combination of corrosion resistance, mechanical strength, and high-temperature stability. Its unique properties make it an essential choice for many critical applications where durability and performance are of utmost importance.
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