2.4819 HASTELLOY C276 N10276
Products Description Chemical Composition Physical Properties HASTELLOY C276 also has remarkable resistance to localized corrosion, such as pitting and crevice corrosion. The alloy's composition, which includes nickel, molybdenum, and chromium, forms a passive film on the surface that...
Description
Products Description
Chemical Composition
| Element | Min % | Max % |
| Mo | 15 | 17 |
| Cr | 14.5 | 16.5 |
| Fe | 4 | 7 |
| W | 3 | 4.5 |
| Co | – | 2.5 |
| C | – | 0.01 |
| Si | – | 0.08 |
| Mn | – | 1 |
| V | – | 0.35 |
| P | – | 0.04 |
| S | – | 0.03 |
| Ni | bal |
Physical Properties
| Density | Melting Point | Coefficient of Expansion | Modulus of Rigidity | Modulus of Elasticity |
| 8.89 g/cm³ | 1370 °C | 11.2 μm/m °C (20 – 100 °C) | 78.6 kN/mm² | 205.5 kN/mm² |
| 0.321 lb/in³ | 2500 °F | 6.2 x 10-6 in/in °F (70 – 212 °F) | 11400 ksi | 29806 ksi |
HASTELLOY C276 also has remarkable resistance to localized corrosion, such as pitting and crevice corrosion. The alloy's composition, which includes nickel, molybdenum, and chromium, forms a passive film on the surface that effectively protects against the initiation and propagation of these types of corrosion. This is particularly important in applications where the alloy is exposed to chloride-containing solutions or in marine environments.
In terms of mechanical properties, it has a good combination of strength and ductility. It can endure moderate to high mechanical stresses without fracturing easily. This allows it to be used in structural components that require both corrosion resistance and the ability to withstand mechanical loads, such as in offshore oil and gas platforms.
The alloy is highly weldable, which is a crucial advantage in fabricating large and complex structures. However, proper welding procedures and filler materials need to be selected to maintain its corrosion resistance in the welded areas. It can also be machined, although its high strength and work-hardening characteristics may require specialized machining techniques.
Moreover, HASTELLOY C276 has good resistance to high-temperature oxidation and carburization. It can maintain its properties at elevated temperatures, making it suitable for applications in heat exchangers, furnace components, and industrial burners. Overall, 2.4819 HASTELLOY C276 is a reliable and high-performing alloy that continues to be a preferred choice in industries where corrosion resistance and mechanical integrity are of utmost importance.
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