Alloy L605 (2.4964) is a cobalt-based alloy doped with chromium, tungsten and nickel. It has excellent high temperature strength and oxidation resistance. In addition, it has excellent resistance to vulcanization and wear. As a result, it performs reliably under extreme conditions. It can thrive in oxidizing environments up to 1093°C. With these properties, it excels in aerospace and gas turbine applications.
Chemical Composition of Alloy L605
| Élément | Co | Cr | W | Ni | Fe | Mn | Si | C | P | S |
|---|---|---|---|---|---|---|---|---|---|---|
| Content (%) | Équilibre | 19.0-21.0 | 14.0-16.0 | 9.0-11.0 | ≤3.0 | ≤2.0 | ≤0.4 | 0.05-0.15 | ≤0.04 | ≤0.03 |
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Core Advantages of Alloy L605
It maintains its high strength at temperatures up to 1093°C. It is a reliable material at extreme temperatures. Its reliable performance at extreme temperatures makes it ideal for gas turbines, furnaces and high-temperature stainless steel piping systems.
Due to the chromium and nickel content, it is oxidation-resistant up to 980°C. This protects components such as pipes and fittings and ensures their longevity in harsh, high-heat environments.
Alloy L605 combats sulfur corrosion with cobalt and chromium. This enhances durability in sulfur-rich settings, perfect for industries using stainless steel pipe fittings.
Alloy L605 bends and welds easily despite its strength. This flexibility suits complex manufacturing, like custom fittings, without sacrificing quality or performance.
Normes
- UNS Number: R30605
- AMS Standard: 5759 (covers bars, forgings, and rings)
- ISO Standard: 15156 (used in oil and gas industries)
- European Standard (EN): 2.4964
- British Standard (BS): HR3 (common in aerospace)
Comparison with Stainless Steels
Unlike standard stainless steel, alloy L605 is more resistant to oxidation and vulcanization at elevated temperatures. It copes effortlessly with extreme conditions. This makes it stand out among high-temperature stainless steel pipes and fittings.
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