Hastelloy C- 4 alloy has corresponding similar grades in different countries and regions, as follows:
-USA: Hastelloy C- 4, UNS N06455
-China: NS334
Europe: 2.4610
-Japan: NW06455
Hastelloy C- 4
Hastelloy C- 4 Alloy Properties
Hastelloy C- 4 is a nickel-molybdenum-chromium alloy, known for its excellent corrosion resistance and stability at high temperatures, especially for corrosive environments in acidic and oxidizing media. The alloy is widely used in chemical, petroleum and nuclear industries.
Ingredients
|
element |
Content (%) |
|
Nickel (Ni) |
margin |
|
Chromium (Cr) |
14.0-17.0 |
|
Molybdenum (Mo) |
14.0-17.0 |
|
Iron (Fe) |
3.0-5.0 |
|
Tungsten (W) |
≤ 0.7 |
|
Cobalt (Co) |
≤ 2.0 |
|
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 |
8.64 g/cm³ |
|
melting point |
1330-1380°C |
|
Coefficient of thermal expansion (20-1000°C) |
11.2 x 10⁻⁶ /°C |
|
thermal conductivity |
9.8 W/(m·K) |
|
modulus of elasticity |
205 GPa |
heat treatment
|
Processing Steps |
Description |
|
solution treatment |
was heated at 1060°C and then rapidly cooled. |
machining and welding
·Cold working: suitable for cold drawing and cold rolling, which can increase strength.
·Hot processing: It should be carried out between 900-1175°C.
·welding: suitable for TIG and MIG welding, after welding can be solid solution heat treatment.
Application
·chemical equipment: used for reaction kettle, pipeline and heat exchanger.
·Petroleum Industry: Suitable for harsh refining and natural gas processing applications.
·nuclear industry: used for corrosive environmental components in nuclear reactors.
·pharmaceutical industry: suitable for strong acid environment production equipment.
Hastelloy C- 4 alloys are available in different shapes and sizes, including plates, bars, wires and forgings.
