What is “C62400” Material?

C62400 is a nickel-aluminum bronze alloy that is widely used in various industries due to its excellent mechanical, physical, and corrosion-resistant properties. It is a type of high-strength, high-corrosion-resistant copper alloy that is suitable for use in demanding environments. The alloy consists of approximately 78% copper, 10% aluminum, 5% nickel, and 5% iron, with trace amounts of other elements.

C62400 offers high strength, good wear and abrasion resistance, and excellent resistance to corrosion in seawater, acidic and alkaline environments, and other harsh conditions. The alloy also exhibits good thermal conductivity, making it suitable for use in heat exchangers and other similar applications. C62400 can be easily machined, welded, and brazed, making it a versatile material for various manufacturing processes.

The alloy is commonly used in marine applications, such as propellers, shafts, and other underwater components, due to its excellent corrosion resistance in seawater. C62400 is also used in other applications where high strength and corrosion resistance are required, such as valves, pumps, bearings, and gears in the chemical, petrochemical, and power generation industries.

When selecting C62400 for a specific application, it is important to consider the specific requirements and operating conditions of the application. Manufacturers and engineers should consult with the alloy supplier or manufacturer to determine the appropriate specifications and properties of the material. With its excellent mechanical and corrosion-resistant properties, C62400 is a reliable and durable material for a wide range of industrial applications.

Application Areas & Industries 

C62400 is a copper alloy renowned for its excellent corrosion resistance, high electrical conductivity, and good machinability. This versatile material finds use in a wide range of industries and applications.

Marine Industry: C62400 is a popular choice for manufacturing seawater cooling systems. The alloy’s exceptional resistance to corrosion ensures longevity, making it ideal for harsh marine environments.

Electrical and Electronic Industry: C62400’s high electrical conductivity makes it ideal for manufacturing connectors, terminals, and switches. The alloy’s machinability also makes it easy to fabricate complex shapes and designs, a critical requirement for electronic components.

Aerospace Industry: C62400’s high strength and wear resistance make it an ideal material for manufacturing aerospace components such as gears, bearings, and bushings.

Automotive Industry: C62400 is commonly used for manufacturing electrical components, brake parts, and connectors in the automotive industry.

Industrial Machinery Industry: C62400 is often used for manufacturing components for hydraulic systems, pumps, and valves due to its excellent corrosion resistance and machinability.

In conclusion, C62400 is a highly versatile copper alloy that finds use in various industries and applications due to its excellent corrosion resistance, high electrical conductivity, and good machinability. From marine and electrical to aerospace and industrial machinery, C62400 is a reliable choice for manufacturing components that require high strength, durability, and corrosion resistance.

Common Fabrication Processes 

C62400 is a copper alloy known for its exceptional corrosion resistance, high electrical conductivity, and good machinability. There are several common fabrication processes used to transform C62400 into finished products that meet specific design requirements.

1. Machining: Machining is a common process used to fabricate C62400 into various shapes and sizes. This process involves removing material from the alloy using cutting tools to create the desired shape. C62400’s good machinability allows for precise and accurate cuts, making it an ideal material for complex designs.
2. Welding: Welding is another common fabrication process used to join two or more pieces of C62400 together. TIG welding and MIG welding are the most common welding techniques used for C62400. This alloy has good weldability, and it can be easily welded without the risk of cracking or corrosion.
3. Brazing: Brazing is a process used to join two or more pieces of C62400 together using a filler metal with a lower melting point. This process involves heating the alloy to a specific temperature, causing the filler metal to melt and flow between the two pieces of C62400. Brazing is commonly used for joining components that cannot be welded due to their size or shape.
4. Casting: Casting is a process used to fabricate C62400 into complex shapes and designs. This process involves pouring molten C62400 into a mold, allowing it to solidify and cool. C62400’s high fluidity and low shrinkage make it an ideal material for casting.

In conclusion, C62400 is a highly versatile copper alloy that can be fabricated using several common processes, including machining, welding, brazing, and casting. Each process has its advantages and limitations, making it essential to choose the right fabrication technique for the desired outcome. Whether you need complex shapes, precise cuts, or strong joints, C62400 can be fabricated to meet your design requirements.

Chemical Composition 

C62400 is a copper-based alloy that contains several other elements to enhance its mechanical and physical properties. The following table provides a breakdown of the chemical composition of C62400:

Element	Minimum (%)	Maximum (%)
Copper	84	87
Nickel	3.5	5.5
Aluminum	3.5	5.5
Iron	1.0	2.5
Manganese	0.50	1.5
Silicon	0.25	0.75
Zinc	–	0.50
Lead	–	0.05
Tin	–	0.20
Phosphorus	–	0.15

As the table indicates, C62400 primarily consists of copper, with nickel and aluminum added to enhance its strength and corrosion resistance. The alloy also contains iron, manganese, silicon, zinc, lead, tin, and phosphorus in varying amounts, depending on the specific grade and application.

C62400’s high copper content makes it an excellent conductor of electricity and heat, while nickel and aluminum enhance its mechanical strength and resistance to corrosion. Iron and manganese increase the alloy’s wear resistance, while silicon improves its castability. Zinc and tin are added to improve the alloy’s machinability, while lead and phosphorus aid in chip control during machining.

In conclusion, C62400 is a copper-based alloy that contains several other elements to enhance its mechanical and physical properties. Its precise chemical composition may vary depending on the specific grade and application, but it typically contains copper, nickel, aluminum, iron, manganese, silicon, zinc, lead, tin, and phosphorus. Understanding the chemical composition of C62400 is essential in selecting the right alloy for various applications.

Physical Properties 

C62400 is a copper-based alloy with exceptional mechanical and physical properties that make it ideal for various industrial applications. Its unique combination of strength, corrosion resistance, and thermal conductivity makes it a popular choice for industries such as aerospace, marine, and automotive.

Here are some of the key physical properties of C62400:

1. Density: C62400 has a density of approximately 8.83 g/cm³, making it a relatively dense material compared to other copper alloys.
2. Thermal Conductivity: C62400 has excellent thermal conductivity, allowing it to transfer heat efficiently. Its thermal conductivity ranges from 172 to 209 W/m·K, depending on the specific grade and temperature.
3. Electrical Conductivity: C62400 has exceptional electrical conductivity, making it an ideal material for electrical and electronic applications. Its electrical conductivity ranges from 29 to 44% IACS (International Annealed Copper Standard), depending on the specific grade and temperature.
4. Corrosion Resistance: C62400 has excellent corrosion resistance, particularly in seawater and other marine environments. Its resistance to corrosion is due to the addition of nickel and aluminum, which form a protective oxide layer on the surface of the alloy.
5. Hardness: C62400 has a relatively high hardness, making it resistant to wear and tear. Its hardness ranges from 70 to 120 HB (Brinell hardness), depending on the specific grade and heat treatment.

In conclusion, C62400 is a copper-based alloy with exceptional physical properties, including high thermal and electrical conductivity, excellent corrosion resistance, and good hardness. These properties make it a versatile material for various industrial applications, particularly in aerospace, marine, and automotive industries. Understanding the physical properties of C62400 is crucial in selecting the right alloy for a specific application.

Fabrication Properties 

C62400 is a copper-based alloy that is known for its excellent mechanical and physical properties. It is a versatile material that can be easily fabricated using various processes. Here are some of the common fabrication processes used to work with C62400:

1. Machining: C62400 has excellent machinability, making it easy to cut, drill, and shape. The alloy’s high copper content ensures that it remains ductile even at high speeds, while the addition of zinc and tin improves chip control and surface finish during machining.
2. Welding: C62400 can be welded using various welding techniques, such as gas tungsten arc welding (GTAW) and gas metal arc welding (GMAW). Welding C62400 requires proper preparation and cleanliness of the surfaces being joined to ensure a strong and durable weld.
3. Brazing: C62400 can also be brazed using silver-based alloys or phosphorus-based alloys. Brazing provides a strong, leak-proof joint that is ideal for joining components in the refrigeration and air conditioning industries.
4. Casting: C62400 can be cast using sand casting, permanent mold casting, or centrifugal casting. The addition of silicon in the alloy improves its castability, making it easy to create intricate shapes and designs.
5. Forging: C62400 can also be forged at high temperatures to create parts with improved strength and toughness. The alloy’s excellent ductility makes it easy to forge, while the addition of nickel and aluminum enhances its mechanical properties.

In conclusion, C62400 is a versatile copper-based alloy that can be easily fabricated using various processes. Its excellent machinability, weldability, brazing ability, castability, and forgeability make it ideal for a wide range of industrial applications. Understanding the fabrication properties of C62400 is essential in selecting the right process and technique for a specific application.

Applicable Specifications of “C62400”

C62400 is a copper-based alloy that is used in various industrial applications due to its excellent mechanical and physical properties. When selecting C62400 for a specific application, it is important to consider the applicable specifications to ensure that the material meets the necessary requirements. Here are some of the common specifications that apply to C62400:

1. ASTM B150: This specification covers the requirements for C62400 and other copper alloys in plate, sheet, strip, and rolled bar form. It specifies the chemical composition, mechanical properties, and tolerances of the material.
2. SAE J461: This specification covers the requirements for C62400 and other copper alloys in rod, bar, wire, and forging stock form. It specifies the chemical composition, mechanical properties, and tolerances of the material.
3. MIL-C-15726: This military specification covers the requirements for C62400 and other copper alloys in sheet and plate form for use in naval and marine applications. It specifies the chemical composition, mechanical properties, and quality assurance requirements of the material.
4. QQ-C-390: This federal specification covers the requirements for C62400 and other copper alloys in bar, rod, wire, and forging stock form. It specifies the chemical composition, mechanical properties, and tolerances of the material.
5. AMS 4611: This specification covers the requirements for C62400 and other copper alloys in plate and sheet form for use in aerospace and defense applications. It specifies the chemical composition, mechanical properties, and quality assurance requirements of the material.

In conclusion, C62400 is a copper-based alloy that is used in various industrial applications due to its excellent mechanical and physical properties. Understanding the applicable specifications for C62400 is crucial in ensuring that the material meets the necessary requirements for a specific application. The most common specifications for C62400 include ASTM B150, SAE J461, MIL-C-15726, QQ-C-390, and AMS 4611.

Thermal Properties 

C62400 is a copper-based alloy that exhibits excellent thermal properties. Understanding these properties is important in selecting the material for specific applications that require good thermal conductivity, expansion, and stability. Here are some of the thermal properties of C62400:

1. Thermal conductivity: C62400 has a high thermal conductivity, which makes it an excellent choice for applications that require efficient heat transfer. The thermal conductivity of C62400 is about 210 W/m*K, which is higher than that of most copper alloys.
2. Thermal expansion: C62400 has a low coefficient of thermal expansion, which means it expands and contracts less than most other materials when exposed to changes in temperature. This property makes C62400 ideal for applications that require dimensional stability and resistance to thermal cycling.
3. Melting point: C62400 has a melting point of approximately 1015°C (1860°F). This high melting point ensures that the material remains stable and does not degrade when exposed to high temperatures.
4. Specific heat: C62400 has a specific heat capacity of about 0.385 J/g*K, which is slightly higher than that of pure copper. This property makes C62400 ideal for applications that require good thermal stability and energy storage.
5. Thermal shock resistance: C62400 has good thermal shock resistance, which means it can withstand sudden changes in temperature without cracking or breaking. This property makes C62400 ideal for applications that involve rapid temperature changes or thermal cycling.

In conclusion, C62400 is a copper-based alloy that exhibits excellent thermal properties. Its high thermal conductivity, low coefficient of thermal expansion, high melting point, good specific heat, and thermal shock resistance make it an ideal material for various industrial applications. Understanding the thermal properties of C62400 is crucial in selecting the right material for specific applications that require good thermal conductivity, stability, and resistance to thermal cycling.

Typical Uses 

C62400 is a copper-based alloy that exhibits excellent mechanical, physical, and thermal properties, making it suitable for a wide range of industrial applications. Here are some typical uses of C62400:

1. Marine applications: C62400 is widely used in marine applications due to its excellent corrosion resistance, high strength, and good weldability. It is commonly used in the manufacturing of propellers, shafts, bearings, and other components that require high resistance to seawater corrosion.
2. Electrical applications: C62400 has excellent electrical conductivity, which makes it an ideal material for electrical applications such as wiring, bus bars, and electrical connectors. Its high thermal conductivity also makes it suitable for heat sinks and other thermal management applications.
3. Aerospace applications: C62400 is commonly used in aerospace applications due to its high strength, good wear resistance, and excellent thermal stability. It is used in the manufacturing of components such as landing gear bushings, engine components, and fasteners.
4. Automotive applications: C62400 is used in automotive applications due to its excellent wear resistance and good machinability. It is commonly used in the manufacturing of bushings, bearings, and other components that require high strength and wear resistance.
5. Industrial applications: C62400 is widely used in various industrial applications due to its excellent mechanical properties, corrosion resistance, and thermal stability. It is commonly used in the manufacturing of valve components, pump parts, and other machinery components.

In conclusion, C62400 is a versatile copper-based alloy that finds wide application across various industries due to its excellent mechanical, physical, and thermal properties. Its typical uses include marine applications, electrical applications, aerospace applications, automotive applications, and industrial applications. Understanding the typical uses of C62400 is important in selecting the right material for specific applications that require high strength, wear resistance, corrosion resistance, and thermal stability.

Equivalents 

C62400 is a popular copper alloy that offers excellent mechanical, physical, and thermal properties. However, in some cases, an equivalent material may be required to meet specific application requirements. Here are some equivalents of C62400:

1. ASTM B150 Alloy 624: ASTM B150 Alloy 624 is a copper-nickel-tin alloy that is similar to C62400 in terms of its mechanical and physical properties. It offers high strength, good corrosion resistance, and excellent machinability, making it suitable for various applications such as marine components, electrical connectors, and heat exchangers.
2. UNS C62300: UNS C62300 is a copper-nickel-tin alloy that is similar to C62400 in terms of its chemical composition and mechanical properties. It offers good strength, excellent corrosion resistance, and good machinability, making it suitable for various applications such as marine components, electrical connectors, and valve components.
3. SAE J461: SAE J461 is a standard specification for copper alloys that includes C62400 as one of its grades. Other grades in this specification include C62300, C62500, and C63000, which are all similar to C62400 in terms of their composition and properties.
4. ASTM B427 Alloy C62400: ASTM B427 Alloy C62400 is a high-strength copper-nickel-tin alloy that is similar to C62400 in terms of its composition and properties. It offers excellent corrosion resistance, good machinability, and high wear resistance, making it suitable for various applications such as marine components, valve components, and pump parts.

In conclusion, while C62400 is a widely used copper alloy, there are several equivalents that offer similar or even better properties for specific applications. ASTM B150 Alloy 624, UNS C62300, SAE J461, and ASTM B427 Alloy C62400 are some of the equivalents of C62400 that can be used in place of C62400 for specific applications. It’s important to choose the right equivalent material based on the specific requirements of your application.