C28000 is a specific type of copper alloy known as Muntz Metal or 60/40 brass. Here are the key details about C28000 copper coil:

Chemical Composition:

1. Copper (Cu): Approximately 59.0 - 63.0%

2. Zinc (Zn): Approximately 37.0 - 41.0%

3. Lead (Pb): Maximum 0.09%

4. Iron (Fe): Maximum 0.05%

5. Other Elements: Includes trace amounts of elements such as sulfur (S), phosphorus (P), and tin (Sn), typically less than 0.05% each.

Properties:

1. Mechanical Properties: C28000 Muntz Metal offers good strength and ductility due to its composition of copper and zinc. It can be easily fabricated into coils and other shapes.

2. Corrosion Resistance: It has moderate corrosion resistance, making it suitable for applications where exposure to atmospheric and marine environments occurs.

3. Machinability: C28000 has excellent machinability, which allows for ease of cutting, shaping, and forming during manufacturing processes.

4. Electrical Conductivity: While not as conductive as pure copper, C28000 still retains sufficient electrical conductivity for many electrical and electronic applications.

Standards: C28000 brass conforms to various standards such as ASTM B36 (for brass plate, sheet, strip, and rolled bar) and ASTM B135/B135M (for seamless brass tube).

C28000 is a type of brass, specifically known as Muntz Metal or 60/40 brass. Here is the typical chemical composition of C28000 copper coil:

Copper (Cu): 59.0 - 63.0%

Zinc (Zn): 37.0 - 41.0%

Lead (Pb): ≤ 0.09%

Iron (Fe): ≤ 0.05%

Other Elements: Includes trace amounts of elements such as sulfur (S), phosphorus (P), and tin (Sn), typically ≤ 0.05% each.

Key points about the chemical composition:

Copper (Cu): The primary constituent, providing the base metal with its inherent electrical conductivity and corrosion resistance.

Zinc (Zn): A significant alloying element that enhances the alloy's strength, hardness, and corrosion resistance. The higher zinc content distinguishes it from other brass alloys, affecting its mechanical and chemical properties.

Lead (Pb): Sometimes added in small amounts to improve machinability, though in C28000, it is kept very low (≤ 0.09%) to maintain corrosion resistance.

Iron (Fe): Present in minimal amounts, it helps in enhancing the alloy's mechanical properties.

Other Elements: Trace elements like sulfur, phosphorus, and tin are included in minimal quantities to refine the alloy's properties and ensure it meets specified standards.

Properties and Applications:

Mechanical Properties: C28000 Muntz Metal offers good strength and ductility, suitable for applications requiring structural integrity and ease of fabrication into coils and other forms.

Corrosion Resistance: It provides moderate corrosion resistance, making it suitable for indoor and outdoor applications where exposure to moisture and atmospheric conditions is common.

Machinability: C28000 has excellent machinability, allowing for easy cutting, shaping, and forming during manufacturing processes.

Electrical Conductivity: While not as conductive as pure copper, C28000 retains sufficient electrical conductivity for various electrical and electronic applications where moderate conductivity is acceptable.

Applications: Widely used in marine hardware, architectural applications, plumbing fittings, valves, and components where a combination of strength, corrosion resistance, and machinability is required.

Features  

C28000 copper coil, known as Muntz Metal or 60/40 brass, possesses several distinctive features that make it suitable for various applications:

Chemical Composition:

1. Copper (Cu): Approximately 59.0 - 63.0%

2. Zinc (Zn): Approximately 37.0 - 41.0%

3. Lead (Pb): Maximum 0.09%

4. Iron (Fe): Maximum 0.05%

5. Other Elements: Includes trace amounts of elements such as sulfur (S), phosphorus (P), and tin (Sn), typically less than 0.05% each.

Mechanical Properties:

1. Strength: C28000 Muntz Metal exhibits good strength due to its composition of copper and zinc, making it suitable for applications requiring structural integrity.

2. Ductility: It offers good ductility, allowing it to be easily formed, bent, and shaped into coils and various components.

3. Machinability: C28000 has excellent machinability, which facilitates efficient cutting, drilling, and machining operations during manufacturing processes.

Corrosion Resistance:

1. Moderate Corrosion Resistance: While not as corrosion-resistant as some other copper alloys like brasses with higher zinc content, C28000 still provides adequate resistance to atmospheric corrosion and marine environments.

2. Oxidation: Develops an attractive golden patina over time when exposed to air, which enhances its aesthetic appeal in architectural and decorative applications.

Electrical Conductivity:

1. Moderate Electrical Conductivity: C28000 retains sufficient electrical conductivity for various electrical and electronic applications where conductivity requirements are moderate.

Fabrication:

1.Weldability: C28000 can be welded using brazing and soldering techniques, though care must be taken to avoid overheating, which can cause zinc evaporation and affect the alloy's properties.

Applications:

1. Marine Applications: Used in marine hardware, such as boat fittings and propellers, where moderate corrosion resistance and good mechanical properties are required.

2. Industrial: Commonly used in plumbing fittings, valves, and components where corrosion resistance and machinability are important.

3. Decorative: Due to its attractive yellow color and ease of fabrication, it is used in decorative applications such as architectural trim and artwork.

4. Automotive: Found in automotive components where corrosion resistance and strength are needed, such as radiator cores and heat exchangers.