Introduction:
1. Inconel 825 wire is a nickel-iron-chromium alloy wire renowned
for its remarkable corrosion resistance in diverse aggressive
environments.
2. It finds extensive use in chemical processing, oil and gas, and
marine industries due to its ability to resist oxidizing and
reducing acids, including sulfuric, phosphoric, and nitric acids.
3. With its excellent corrosion resistance, Inconel 825 wire is
commonly employed in heat exchangers, chemical processing
equipment, and seawater handling systems.
4. It offers reliable performance and durability, as it can
maintain its mechanical strength even in high-temperature
environments.
Parameter:
Chemical composition:
Nickel (Ni): 38-46%
Chromium (Cr): 19.5-23.5%
Molybdenum (Mo): 2.5-3.5%
Copper (Cu): 1.5-3.0%
Physical properties:
Density: 8.14 g/cm³
Melting point: 1370-1400°C
Modulus of elasticity: 196 GPa
Thermal conductivity: 10.3 W/(m·K) (room temperature)
Linear expansion coefficient: 13.2 μm/m·K (room temperature)
Mechanical behavior:
Yield strength: 345 MPa (room temperature)
Tensile strength: 690 MPa (room temperature)
Elongation: 45% (room temperature)
Chemical Composition (%) |
C | Si | Mn | S | Mo | Ti | Cr | Ni | Al | Fe | Cu |
≤0.05 | ≤0.50 | ≤1.00 | ≤0.03 | ≤2.5~3.5 | ≤0.6~1.2 | 19.5~23.5 | 38.0~46.0 | ≤0.2 | ≥22.0 | 1.5~3.0 |
Standard |
Sheet/Plate | Round bar/Wire | Pipe | Tube |
ASME SB-424 ASME SB-906 | ASME SB-425 | ASME SB-423 ASME SB-829 ASME SB-163 ASME SB-751 ASME SB-775 | ASME SB-704
ASME SB-705
ASME SB-751
ASME SB-775 |
| Specification | Title |
| B163 | Seamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes |
| B423 | Nickel-Iron-Chromium-Molybdenum-Copper Alloy (UNS N08825 and
N08221)* Seamless Pipe and Tube |
| B424 | Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825 and UNS N08221)* Plate, Sheet, and
Strip |
| B425 | Ni-Fe-Cr-Mo-Cu Alloy (UNS N08825) |
| B704 | Welded UNS N06625 and UNS N08825 Alloy Tubes |
| B705 | Nickel-Alloy (UNS N06625 and N08825) Welded Pipe |
| B751 | General Requirements for Nickel and Nickel Alloy Welded Tube |
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Characteristic:
- Corrosion resistance: Inconel 825 alloy wire has excellent
corrosion resistance and can resist the erosion of corrosive media
such as sulfuric acid, hydrochloric acid, chloride, and oxidizing
acids.
- Antioxidation: It can be used stably for a long time in high
temperature oxidizing environment and has good antioxidant
properties.
- Resistance to stress corrosion cracking: Inconel 825 alloy wire has
good resistance to stress corrosion cracking and can maintain
stability under high stress and corrosive media.
- Excellent processability: It has good processability and is
convenient for various processing and forming operations.
Advantage:
- Corrosion resistance: Inconel 825 alloy wire shows excellent
corrosion resistance in corrosive media, which can extend the
service life of equipment.
- High temperature stability: It can maintain good stable performance
in high temperature environments and is suitable for high
temperature processes and equipment.
- Creep resistance: It has good creep resistance and can maintain
shape stability under high temperature and high stress conditions.
- Resistance to stress corrosion cracking: It has good resistance to
stress corrosion cracking and is suitable for applications in high
stress environments.
Application:
- Oil and natural gas extraction: used in oil well casing, tubing,
valves and production equipment, resistant to acid, chloride and
high temperature environments.
- Petroleum Refining: Used to manufacture equipment such as furnaces,
pipes, heat exchangers and heating elements to cope with corrosive
media and high temperature conditions.
- Chemical processing: suitable for chemical reactors, distillation
equipment and storage tanks, etc., providing stable performance in
corrosive media and high temperatures.
- Marine environment: used in offshore oil platforms and seawater
treatment equipment, with good resistance to seawater corrosion.
Overall, Inconel 825 alloy wire is an ideal material choice in the
oil and gas industry to meet the challenges of corrosive media,
high temperature and high pressure environments. Its corrosion
resistance, high temperature stability and resistance to stress
corrosion cracking make it a reliable material for critical
components and equipment.
Q & A:
Q1: What are the main advantages of Inconel 825 wire?
A1: Inconel 825 wire offers exceptional corrosion resistance in a
wide range of aggressive environments and is particularly
well-suited for applications involving acids, such as sulfuric acid
and phosphoric acid.
Q2: What industries commonly utilize Inconel 825 wire?
A2: Inconel 825 wire is commonly used in industries such as
chemical processing, oil and gas, and marine, where corrosion
resistance is crucial, and it finds applications in equipment such
as heat exchangers, chemical processing equipment, and seawater
handling systems.
