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C26000 copper pipe, also known as cartridge brass, is a widely used copper-zinc alloy recognized for its excellent plasticity, high strength, and good machinability. It is one of the most ductile brass alloys, making it particularly suitable for forming, bending, and deep drawing applications.
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Key Properties of C26000 Copper Pipe
Exceptional Plasticity: Among brass alloys, C26000 has some of the best plasticity, making it ideal for manufacturing processes that require shaping and forming.
High Strength: Offers a good balance of strength and flexibility, making it suitable for structural and industrial applications.
Good Machinability: Can be efficiently processed using conventional machining techniques, allowing for precise fabrication.
Weldability & Solderability: Easily joined using welding, brazing, and soldering techniques, enhancing its versatility in plumbing and industrial applications.
Corrosion Resistance: Stable under general environmental conditions, though prolonged exposure to certain chemicals or stress conditions may lead to stress corrosion cracking (SCC). Proper handling and alloy selection can mitigate this risk.
Chemical Composition of C26000 Copper Pipe
|
Copper With: |
Zinc Zn: |
Lead Pb: |
Iron Fe: |
|
|
68.5~71.5 |
Allowance |
≤ 0.03 |
≤ 0.10 |
|
|
Antimony Sb: |
Bismuth Bi: |
Boron B: |
Impurity: |
|
|
≤ 0.005 |
≤ 0.002 |
≤ 0.01 |
≤ 0.3 |
|
Mechanical Properties of C26000 Copper Pipe
|
Tensile Strength Kb (MPa): |
Elongation D10 (%): |
Hardness: |
|
340~460 |
≥25 |
85~145HV |
Common Applications of C26000 Copper Pipe
C26000 copper pipes are widely used in various industries due to their unique combination of strength and workability. Some key applications include:
Plumbing & Water Systems: Used in residential and commercial water supply lines due to its durability and resistance to corrosion.
Heat Exchangers & Condensers: Excellent thermal conductivity makes it ideal for heat transfer applications.
Ammunition Casings: Its ability to withstand pressure without deformation makes it the standard choice for bullet casings.
Automotive & Marine Applications: Used in fuel lines and hydraulic systems due to its resistance to corrosion and mechanical wear.
Architectural & Decorative Uses: Found in artistic designs, furniture accents, and ornamental hardware.
Considerations for Use
Avoid Exposure to Ammonia & Chlorides: These can accelerate stress corrosion cracking.
Regular Inspection & Maintenance: Helps prevent degradation over time, especially in high-stress environments.
Proper Joining Techniques: Use appropriate welding or brazing methods to maintain structural integrity.
Conclusion
C26000 copper pipe is a versatile and widely used material with outstanding plasticity, strength, and corrosion resistance. While it offers excellent machinability and welding properties, users should be mindful of stress corrosion cracking risks. With proper handling and application, C26000 remains a reliable choice across multiple industries.
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