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D205 alloy
Hastelloy D-205
The Hastelloy D-205 alloy is an advanced high-silicon alloy based on the Ni-20CR system. Unlike other high-silicon-iron alloys, this alloy has excellent formability, good resistance to embrittlement at high temperatures, and good performance in high concentrations of sulfuric acid.
Usage of the D-205 alloy
The D-205 alloy is strong against different types of corrosion. The properties of this alloy ensure that it can be used in various industries.
Products
The alloy is weldable and available in various product forms from Merrem & la Porte.
| Chemical composition (weight %) | ||||||
| Ni | Cr | Mo | Fe | C | Si | Cu |
| Balance | 19.5 - 20.5 | 2-3 | 5.5-6.5 | 0.03* | 4.5-5.5 | 1.7-2.3 |
| *Maximum | ||||||
Superalloy
Hastelloy alloys are designed to withstand high temperatures and highly corrosive environments. Hastelloy is an alloy composed of cobalt, chromium, nickel and molybdenum. In addition to good corrosion and heat resistance, Hastelloy alloys also have a long service life. They are used for, among other things:
- Pressure vessels
- Pipes
- Fittings
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