Why Use ASTM B111 C12200 Tube (Copper Base Tube):
1. High Thermal Conductivity
The C12200 copper material has excellent thermal conductivity, with a thermal conductivity coefficient of about 390 W/m·K, which helps to improve heat exchange efficiency.
The aluminum fins further enhance heat transfer capability, making it ideal for high-efficiency heat exchange applications.
2. Corrosion Resistance
The aluminum fin material offers good corrosion resistance, suitable for various working environments, including high humidity and corrosive gas environments.
C12200 copper also has excellent corrosion resistance in humid and corrosive environments, ensuring long-term service life of the tubes.
3. Structural Stability
The extrusion process ensures a strong bond between the fins and the tube wall, enhancing overall structural stability.
C12200 copper has high strength and ductility, capable of withstanding high-pressure working environments, suitable for various industrial applications.
4. Lightweight Design
The aluminum fin material is relatively lightweight, reducing the overall weight of the equipment, making installation and maintenance easier.
Improves system energy efficiency ratio, reducing operational costs.
5. Good Welding and Connection Performance
C12200 copper is easy to weld and connect, suitable for various processing operations during manufacturing.
This characteristic simplifies the production process and improves production efficiency.
6. Chemical Stability
C12200 copper has good stability in many chemical environments, not prone to reacting with other substances.
This makes it excellent in various chemical and industrial applications.
Extruded ASTM B111 C12200 Copper Base Tube with Aluminum Fins – Technical Specifications
| Property | Details |
|---|---|
| Standard | ASTM B111 |
| Base Tube Material | C12200 Copper (NOT aluminum) |
| Fin Material | Aluminum |
| Manufacturing Process | Extrusion |
| Applications | Air conditioners, condensers, evaporators, heaters, boilers, and other heat exchange equipment |
Chemical Composition (C12200 Copper Base Tube)
| Element | Content (Weight Percent) |
|---|---|
| Copper (Cu) | Minimum: 99.9% |
| Phosphorus (P) | 0.015% - 0.040% |
| Other Elements | Total ≤ 0.03% |
Application Scenarios
Industrial Heat Exchange Equipment
Suitable for heat exchange equipment in chemical, petroleum, metallurgy, and other industries, improving energy efficiency.
Air Conditioning and Refrigeration Systems
Enhances cooling efficiency and reduces energy consumption in commercial and industrial refrigeration equipment.
Power Plants and Boiler Systems
Improves heat exchange efficiency, reduces fuel consumption and emissions.
The Extruded ASTM B111 C12200 copper base tube with aluminum fins is a highly efficient heat exchange element with excellent thermal conductivity, corrosion resistance, and structural stability. Its lightweight design (due to aluminum fins) and wide range of applications make it an ideal choice for industrial and commercial heat exchange equipment.
FAQ
Q1: Is the base tube made of copper or aluminum?
A: The base tube is C12200 COPPER. The title of the original page is misleading – it says "aluminum finned tube" but the fin material is aluminum, while the base tube is copper (ASTM B111 C12200) . This correction has been applied throughout the content above.
Q2: What is the thermal conductivity of the C12200 copper base tube?
A: The C12200 copper base tube has a thermal conductivity of approximately 390 W/m·K, which is excellent for heat transfer applications. The aluminum fins further enhance heat dissipation.
Q3: Why use aluminum fins instead of copper fins?
A: Aluminum is used for fins because it is:
Lighter weight – reduces overall equipment weight
Lower cost than copper
Good corrosion resistance in most environments
Still provides excellent heat transfer when properly bonded to the copper tube
Q4: How are the fins attached to the copper tube?
A: The product is manufactured using an extrusion process that ensures a tight bond between the fins and the tube wall, improving thermal efficiency and durability.
Q5: What are the common applications for ASTM B111 C12200 Copper Base Tube with Aluminum Fins?
A: Applications include:
Air conditioners
Condensers
Evaporators
Heaters
Boilers
Other heat exchange equipment
Q6: Is C12200 copper suitable for corrosive environments?
A: Yes. C12200 copper has excellent corrosion resistance in humid and corrosive environments, ensuring long-term service life. The aluminum fins also offer good corrosion resistance in high humidity and corrosive gas environments.
Q7: Can this tube be used in high-pressure applications?
A: Yes. C12200 copper has high strength and ductility, capable of withstanding high-pressure working environments, suitable for various industrial applications.
Q8: Is C12200 easy to weld and connect?
A: Yes. C12200 copper is easy to weld and connect, suitable for various processing operations during manufacturing. This simplifies the production process and improves production efficiency.
Q9: What standard does this product comply with?
A: The product complies with ASTM B111 for the copper base tube (C12200). The finning process is typically performed to industry standards for extruded finned tubes.
Q10: What industries use this type of finned tube?
A: Industries include:
Chemical processing
Petroleum and petrochemical
Metallurgy
Power generation
HVAC and refrigeration
Boiler systems
How Do We Package Copper Heat Exchanger Tubes for Global Delivery?
Poor packaging destroys even the best copper heat exchanger tube. As a professional copper heat exchanger tube factory serving copper heat exchanger tube USA, Europe, UAE, Saudi Arabia, and India, we follow military-grade export packaging standards to ensure zero damage during sea or air freight.
Our Standard Packaging Process:
| Packaging Stage | Material / Method | Purpose |
|---|---|---|
| Individual Tube Protection | Anti-rust VCI paper + plastic end caps | Prevents moisture, dust, and scratches on copper tube heat exchanger inner surfaces. |
| Bundling | Nylon straps + wooden spacers | Keeps copper heat exchanger tube OD 19mm, 1 inch, or 5/8 inch sizes organized and vibration-free. |
| Moisture Barrier | Thick PE film wrap (heat-shrunk) | Blocks humidity during long sea voyages to copper heat exchanger tube Germany or Saudi Arabia. |
| Outer Packing | Export-grade plywood cases or steel-banded wooden crates | Withstands stacking and rough handling. Each crate labeled with PO number, alloy (e.g., SB111 C70600), and quantity. |
| Documentation | Packing list + Mill Test Certificate (MTC) attached outside | Customs clearance support for copper heat exchanger tube stockist and distributor partners. |
For U-Bundle Orders: U tube heat exchanger and U tube bundle heat exchanger are placed in dedicated steel jigs inside the crate to prevent bending radius distortion.

Our Factory & Equipment
| Equipment Type | Specification / Capability | Quality Impact |
|---|---|---|
| Horizontal Continuous Casting Line | 10-ton capacity | Produces homogeneous copper alloy tube for heat exchanger billets with zero porosity. |
| Three-Roll Piercing Mill | Up to 60mm OD | Precision wall thickness control for heat exchanger tube wall thickness as low as 0.5mm. |
| Cold Drawing Bench | 5 draws in sequence | Achieves tight tolerances on copper heat exchanger tube length and heat exchanger pipe diameter. |
| Straightening & Cutting Line | CNC servo-controlled | Burr-free cutting for copper heat exchanger tube 3/4 inch and 1 inch to exact project lengths. |
| U-Bending Machine | CNC mandrel type | Produces u tube condenser and U tube bundle heat exchanger without kinking or ovality. |
| Eddy Current Tester | NDT (Non-Destructive Testing) | 100% inspection of C70600 tube and C71500 tube for pinholes or cracks per ASTM B111 pdf standards. |
| Hydrostatic Tester | Up to 200 bar | Validates heat exchanger tube expansion and tube rolling integrity. |
| Spectrometer | Optical emission (OES) | Confirms chemical composition of ASME SB111, EN 12451, and JIS H3300 grades on every batch. |
Our Certifications & Compliance:
ASTM B111 pdf and ASME SB111 pdf full traceability.
ISO 9001:2015 quality management system.
Third-party inspection accepted: SGS, BV, Lloyds, or TUV.
Copper heat exchanger tube life expectancy testing reports available upon request.

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