CX400/Monel 400/N 04400/2.4360 Monel Nickel Copper Alloy Wire For Aerospace Industry
Monel® 400 is a high-performance nickel-copper alloy composed of approximately 63% nickel and 28–34% copper, with small amounts of iron and manganese. It is highly valued for its exceptional corrosion resistance, high strength, and durability in harsh environments, including exposure to seawater, chemicals, and elevated temperatures.
Monel 400 is widely used in marine, chemical processing, aerospace, oil & gas, and power generation industries where corrosion resistance and mechanical strength are critical. Its key properties include resistance to seawater corrosion, stress corrosion cracking, and oxidation. The alloy is also non-magnetic and offers excellent ductility and toughness, making it ideal for sensitive applications where magnetic interference must be avoided.
Common applications include propeller shafts, valves, pumps, heat exchangers, and aerospace components. In welding and fabrication, Monel 400 wire, Monel filler wire, Monel 400 welding wire, and Monel welding wire are essential for creating durable, corrosion-resistant joints that perform reliably in aggressive environments.
For industries requiring long-lasting performance under extreme conditions, Monel 400 and its related welding wires remain a trusted choice for both new construction and repair work.
Nominal Chemical Composition (%)
| Alloy | Ni | Mn | Fe | Si | Cu | C | AI | Ti |
| CX 400 | 66 | ≤1.25 | 1.0-2.5 | ≤0.50 | 28-34 | ≤0.15 | ≤0.50 | ≤0.20 |
| CX 500 | 70 | ≤1.50 | ≤2.0 | ≤0.50 | 27-33 | ≤0.15 | 2.30-3.15 | 0.30-0.85 |
Size Range
| SPEC | Dia. (mm) | Width (mm) | Thickness (mm) |
| Wire | 0.04-12.0 | / | / |
| Ribbon | / | 2 | ≥0.08 |
Physical Properties (at room temperature)
| Alloy | Density (g/cm3) | Thermal Conductivity (W/m K) | Thermal Linear Expansion Coeff. (20-95 ℃) (10-6/K) | Electrical Resistivity at 20 ℃ (μΩ-cm) |
| CX 400 | 8.80 | 21.8 | 13.9 | 51 |
| CX 500 | 8.45 | 17.5 | 17.5 | 60 |
Mechanical Properties (for cold drawn annealed wire)
| Alloy | Tensile strength (N/mm2) | Elongation (% at L0=100mm) |
| Min | Max | Min | Max |
| CX400 | 450 | 650 | 20 | 30 |
| CX500 | 890 | 950 | 20 | 30 |
Some key features of CX400 alloy include:
- High Corrosion Resistance:
Excellent resistance to corrosion in seawater, brine, and many acidic and alkaline environments, making it ideal for marine and chemical processing applications.
High tensile strength, providing durability and resistance to wear and tear even in extreme environments.
Monel 400 is easily welded using common welding methods, ensuring flexibility in fabrication.
Performs well in a wide range of temperatures, from cryogenic to elevated temperatures up to 1000°F (537°C), without losing mechanical properties.
- Resistance to Stress Corrosion Cracking:
Particularly resistant to stress corrosion cracking in marine and industrial atmospheres, which is a significant advantage in applications exposed to high levels of tension.
Monel 400 is easily formed, machined, and fabricated, allowing for versatile applications in manufacturing.
Non-magnetic, which is beneficial for specialized applications that require non-magnetic materials.
- Resistance to Sulfuric Acid:
Offers outstanding resistance to sulfuric acid, making it suitable for use in environments where sulfuric acid is present.
- Resistant to Scaling and Oxidation:
Resists oxidation and scaling at high temperatures, ensuring its reliability in industrial heat exchangers and furnace applications.
Non-toxic and biocompatible, making it suitable for use in medical and food processing equipment.
These features make Monel 400 a highly versatile alloy for critical applications in industries such as marine engineering, chemical processing, aerospace, and power generation.
Applications:
- Marine and Offshore Industries:
Seawater Systems: Used in seawater piping, pumps, valves, and heat exchangers due to its excellent resistance to seawater corrosion.
Marine Propellers: Commonly used in propellers, shafts, and other marine hardware exposed to corrosive saltwater environments.
Chemical Processing:
Pumps and Valves: Utilized in pumps, valves, and chemical reactors that process corrosive chemicals, especially where sulfuric and hydrochloric acids are involved.
Heat Exchangers: Employed in heat exchangers for processing chemicals or petroleum products, thanks to its resistance to a wide range of corrosive substances.
Aircraft Components: Used in aerospace applications for components that need high strength, resistance to stress corrosion cracking, and corrosion resistance, including engine parts and exhaust systems.
Power Generation:
Steam and Gas Turbines: Used in turbine shafts and other components in power plants due to its ability to withstand high temperatures and its resistance to oxidation and corrosion.
Nuclear Reactors: Certain reactor components can be made from Monel 400 due to its excellent resistance to radiation-induced corrosion.
Petroleum Equipment: Monel 400 is used in drilling equipment, pipelines, and valves in the oil and gas industry, where exposure to harsh chemicals and extreme environments is common.
Gas and Oil Refining: Components such as reactors and distillation equipment in refineries.
- Food and Beverage Industry:
Processing Equipment: Employed in equipment that comes into contact with food and beverages, due to its biocompatibility and non-toxic nature.
Food Handling Systems: Used in food processing machinery, as it resists corrosion from acids in food items.
Surgical Instruments: Used in some medical instruments and implants due to its biocompatibility and resistance to corrosion in body fluids.
Dental Alloys: Monel 400 is sometimes used in dental work due to its non-corrosive properties in the mouth environment.
- Architectural Applications:
Cladding and Decorative Elements: Used in architectural applications where corrosion resistance and aesthetic appeal are essential, such as in building facades and decorative trim.
- Heat Treatment and Furnace Components:
Furnace Parts: Applied in high-temperature furnace parts, due to its resistance to scaling and oxidation.
- Hydrogenation and Catalyst Systems:
Catalytic Converters: Utilized in systems for chemical reactions, particularly in hydrogenation processes.
The excellent resistance to corrosion, high strength, and versatility of Monel 400 make it a critical material for numerous industries that require performance under extreme conditions.
Monel® 400 is a premium nickel-copper alloy known for its exceptional corrosion resistance, high strength, and excellent performance in harsh marine, chemical, and high-temperature environments. Many buyers are actively seeking competitive Monel 400 price per kg or Monel 400 price per pound to support cost-effective sourcing for critical projects. Reputable Monel 400 suppliers and alloy 400 suppliers provide a wide range of product forms, including Monel 400 sheets, Monel 400 plates, Monel 400 pipes, Monel 400 tubing, and Monel 400 round bars.
With increasing demand across industries such as oil & gas, power generation, and aerospace, reliable Monel pipe suppliers, Monel tubing suppliers, Monel plate suppliers, and Monel sheet suppliers are essential partners for maintaining supply chain stability and material quality. The Monel 400 cost can vary depending on order quantity, size, and market fluctuations, so obtaining updated quotes from trusted Monel 400 sheet suppliers, pipe suppliers, or round bar suppliers is key. For those in need of precision materials with outstanding corrosion resistance and long service life, Monel remains the top choice.
Contact Us today to get the latest Monel price per kg and tailored solutions for your project needs.
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