Hastelloy C- 276 alloy has corresponding similar grades in different countries and regions, as follows:
-US: Hastelloy C- 276, UNS N10276
-China: NS334
Europe: 2.4819
-Japan: NW0276
Hastelloy C- 276
Hastelloy C- 276 Alloy Properties
Hastelloy C- 276 is a nickel-molybdenum-chromium alloy, known for its excellent corrosion resistance and high-temperature oxidation resistance, especially suitable for acidic and oxidizing environments. The alloy is widely used in harsh environments in the chemical, petroleum and pollution control industries.
Ingredients
|
element |
Content (%) |
|
Nickel (Ni) |
margin |
|
Chromium (Cr) |
14.5-16.5 |
|
Molybdenum (Mo) |
15.0-17.0 |
|
Iron (Fe) |
4.0-7.0 |
|
Tungsten (W) |
3.0-4.5 |
|
Cobalt (Co) |
≤ 2.5 |
|
carbon (C) |
≤ 0.01 |
|
Silicon (Si) |
≤ 0.08 |
|
Manganese (Mn) |
≤ 1.0 |
|
Phosphorus (P) |
≤ 0.04 |
|
Sulfur (S) |
≤ 0.03 |
physical properties
|
performance index |
value |
|
density |
8.89 g/cm³ |
|
melting point |
1325-1370°C |
|
Coefficient of thermal expansion (20-1000°C) |
11.2 x 10⁻⁶ /°C |
|
thermal conductivity |
10.2 W/(m·K) |
|
modulus of elasticity |
205 GPa |
heat treatment
|
Processing Steps |
Description |
|
solution treatment |
was heated at 1120°C and then rapidly cooled. |
machining and welding
·Cold working: suitable for cold drawing and cold rolling, which can increase strength.
·Hot processing: should be carried out between 950-1175°C.
·welding: suitable for TIG welding, after welding can be solid solution heat treatment.
Application
·chemical equipment: suitable for reaction kettle, pipeline and heat exchanger.
·oil industry: equipment used on drilling rigs and refineries.
·pollution control: used for key components in flue gas desulfurization systems.
·nuclear industry: suitable for high temperature and high corrosion of nuclear reactor components.
Hastelloy C- 276 alloys are available in different shapes and sizes, including plates, bars, wires and forgings.
