Hastelloy S Alloy UNS N06635 is a nickel-based alloy, renowned for its exceptional corrosion resistance and exceptional strength at high temperatures. It is often used in extreme environments where conventional materials fail. In this article, we will delve into the composition, properties, and applications of Hastelloy S Alloy UNS N06635.
Hastelloy S Alloy UNS N06635 – 1. Composition
Hastelloy S is a high-temperature corrosion-resistant alloy whose chemical composition includes nickel (Ni), chromium (Cr), iron (Fe), tungsten (W), cobalt (Co), titanium (Ti), and other elements. Among these elements, nickel has the highest content, accounting for about 67%. Additionally, the alloy also contains certain amounts of cobalt, molybdenum, and tantalum. The combination of these elements endows Hastelloy S with excellent corrosion resistance and high-temperature strength, making it widely used in aerospace, aviation, petrochemical, and other industries.
| Elements | Content (%) |
|---|---|
| Nickel, Ni | 67 |
| Chromium, Cr | 14.5 – 17 |
| Molybdenum, Mo | 14 – 16.5 |
| Iron, Fe | 3 |
| Cobalt, Co | 2 |
| Tungsten, W | 1 |
| Copper, Cu | 0.35 |
| Manganese, Mn | 0.30 – 1.0 |
| Silicon, Si | 0.20 – 0.75 |
| Aluminum, Al | 0.10 – 0.50 |
| Carbon, C | 0.020 |
| Phosphorous, P | 0.020 |
| Boron, B | 0.015 |
| Sulfur, S | 0.015 |
| Lanthanum, La | 0.010 – 0.10 |
Hastelloy S Alloy UNS N06635 – 2. Properties:
Physical Properties:
- Density (g/cm³): ≥8.3
- Elastic Modulus (MPa): ≥216
- Hardness (HB): ≥95
- Melting Point (℃): ≥1418
- Resistivity (μΩcm): ≥137
- Thermal Expansion Coefficient (μm/m℃): ≥10.6 (within the range of 20-100℃)
Mechanical Properties:
- Tensile Strength (MPa): ≥790
- Yield Strength (MPa): ≥415
- Elongation (%): ≥30
- Shrinkage Rate (%): ≥15
- Impact Energy (J): ≥100
Hastelloy S Alloy UNS N06635 – 3. Applications：
Hastelloy S Alloy UNS N06635 is a highly versatile material, finding applications in a range of industries where exceptional corrosion resistance and high-temperature strength are required. One of its most common uses is in the chemical processing industry, where it is commonly employed in high-temperature, corrosive environments such as reformer ovens, reactors, and heat exchangers.
Due to its exceptional resistance to chloride-ion stress corrosion cracking, Hastelloy S is also well-suited for use in seawater desalination plants, offshore oil and gas production platforms, and saltwater heat exchangers. In the aerospace industry, Hastelloy S is used in jet engine components that require high-temperature strength and corrosion resistance.
Moreover, Hastelloy S is used in the production of electrodes for high-temperature electrochemical processes, such as the electrowinning of aluminum. Its exceptional properties also make it suitable for use in the glass industry, where it is employed in the production of high-temperature furnaces and glass melters.
In summary, Hastelloy S Alloy UNS N06635 finds applications wherever extreme corrosion resistance and high-temperature strength are essential, making it a highly valuable material in various industries.
Why Choose Huaxiao Alloy?
Thank you for reading our article and we hope it can help you have a better understanding of the composition, properties, and applications of Hastelloy S Alloy UNS N06635. If you want to learn more about Hastelloy S Alloy UNS N06635, we would advise you to visit Huaxiao Alloy for more information.
As a leading supplier of high-temperature alloys from China, Huaxiao Alloy provides our customers with high-quality, Hastelloy S Alloy, Inconel Alloy 600, Inconel Alloy 601, Inconel 625 UNS N06625, Monel K500 and Monel 400, Hastelloy B3 (UNS N10675), Hastelloy D205, Hastelloy G30 (UNS N06030), Hastelloy C-2000, Hastelloy B2, Hastelloy X alloy, Hastelloy C4, Hastelloy C-276, and Hastelloy C22.
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