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.
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