Hastelloy C- 276
Hastelloy C- 276 alloy
Hastelloy C- 276 is a kind of molybdenum-nickel-chromium alloy, known for its excellent corrosion resistance and high temperature strength, widely used in chemical, petrochemical, pharmaceutical and other industries.
Similar grades at home and abroad
- USA designation: Hastelloy C- 276 (UNS N10276)
- China brand: NS334
- European brand: 2.4819
- Japanese brand: NW 0276
- Other similar grades: Werkstoff Nr. 2.4819, NiMo16Cr15W (Germany)
chemical composition (typical value, unit:%)
| element | Nickel (Ni) | Chromium (Cr) | Molybdenum (Mo) | Iron (Fe) | Tungsten (W) | Cobalt (Co) | carbon (C) | Silicon (Si) | Manganese (Mn) | Sulfur (S) |
|---|---|---|---|---|---|---|---|---|---|---|
| content | margin | 14.5-16.5 | 15-17 | 4-7 | 3-4.5 | ≤ 2.5 | ≤ 0.01 | ≤ 0.08 | ≤ 1.0 | ≤ 0.03 |
physical properties
| Performance | value |
|---|---|
| density (g/cm³) | 8.89 |
| melting point (℃) | 1325-1370 |
| resistivity (μΩ · cm) | 1.24 |
| thermal conductivity (W/m · K) | 10.2 |
| Coefficient of thermal expansion (20-1000 ℃) | 11.0 x 10⁻⁶ |
heat treatment method
Hastelloy C- 276 is usually solution treated, heated at 1100-1175°C and then rapidly cooled. This heat treatment can maximize its corrosion resistance.
processing technology
The alloy has good processing performance and is suitable for cold working, hot working and welding.
- Cold processing: suitable for forming operations of thin plates, wires, etc.
- hot processing: at 950-1230°C.
- welding: suitable for a variety of welding methods, post-weld heat treatment is recommended.
Typical Applications
Hastelloy C- 276 is widely used in chemical equipment, marine engineering, pharmaceutical industry and pollution control equipment.
Available Shapes and Specifications
- plate: thickness 1.5 mm-50mm, width 1000mm-2000mm
- pipe: seamless pipe and welded pipe, outer diameter 6mm-219mm
- bar: diameter 6mm-200mm
- wire: suitable for welding and small structural parts
- Flanges and accessories: special customized shapes
