Overview of ASTM B111 C23000 Copper Pipe Soldering
C23000 copper alloy, also known as commercially pure brass or red copper, is a copper alloy consisting of approximately 85% copper and 15% zinc. Classified according to ASTM B36/B36M, this alloy is widely used in decorative and architectural applications, particularly in the manufacture of various building hardware and decorative components.
Chemical Composition and Properties of ASTM B111 C23000 Aircon Copper Pipe
1. Chemical Composition Requirements
| Element | Composition (% by Weight) | Notes |
|---|---|---|
| Copper (Cu) | 84.0 - 86.0 | Includes Silver (Ag) |
| Zinc (Zn) | Remainder | |
| Lead (Pb) | 0.05 max | |
| Iron (Fe) | 0.05 max | |
| Other Impurities | 0.15 max each | |
| Total Impurities | 0.50 max | Sum of all named impurities |
2. Mechanical Properties Requirements
| Temper Designation | Tensile Strength min. | Yield Strength (0.5% Ext. Under Load) min. | Elongation in 2 in. (50 mm) min. (%) | ||
|---|---|---|---|---|---|
| ksi | MPa | ksi | MPa | ||
| O61 (Annealed) | 32 | 220 | 10 | 70 | 45 |
| H55 (Light Drawn) | 36 | 250 | 22 | 150 | 25 |
| H58 (Drawn) | 40 | 275 | 26 | 180 | 15 |
| H80 (Hard Drawn) | 52 | 360 | 42 | 290 | 5 |
3. Typical Physical Properties (for reference, not directly specified by B111)
| Property | Typical Value / Range | Condition / Note |
|---|---|---|
| Density | 0.307 lb/in³ (8.50 g/cm³) | |
| Melting Range (Liquidus) | 1880°F (1027°C) | Approximate |
| Melting Range (Solidus) | 1720°F (938°C) | Approximate |
| Thermal Conductivity | 70 Btu/(ft·h·°F) (121 W/(m·K)) | @68°F (20°C), Annealed |
| Electrical Conductivity | 37% IACS | @68°F (20°C), Annealed |
| Coefficient of Thermal Expansion | 11.2 x 10⁻⁶ per °F (20.1 x 10⁻⁶ per °C) | 68-572°F (20-300°C) |
| Modulus of Elasticity (Tension) | 16,000 ksi (110 GPa) |
Processing and Applications of ASTM B111 C23000 Aircon Copper Tube
C23000 copper alloy has excellent formability and can be formed by both cold and hot working methods. Common processing techniques include rolling, drawing, stamping, and bending. It also exhibits good weldability and is suitable for brazing and soldering.
In terms of applications, C23000 is primarily used in the manufacture of decorative hardware, radiators, pipes, and various types of containers. Its excellent corrosion resistance and decorative properties make it particularly popular in the construction sector.
International Standards and Comparisons
International counterparts to C23000 include JIS C2300 in Japan and CuZn15 in Europe. While standards may vary between countries and regions, the basic chemical composition and performance indicators are similar.
Due to its outstanding performance and wide range of applications, C23000 copper alloy has become an indispensable material in the construction and decoration industries. For applications requiring corrosion resistance and good formability, C23000 is a popular choice.
why choose us
Professional copper pipe supplier
As a professional enterprise dedicated to global copper product trade since 2008, GNEE Metal Group deeply recognizes the quality and responsibility embodied in the ASTM B111 standard. This standard not only specifies chemical composition and mechanical properties but also represents a comprehensive quality commitment spanning manufacturing processes to testing and verification. GNEE solemnly assures global customers that every ASTM B111-standard condenser tube and copper alloy tubing we supply will strictly adhere to its requirements for seamless manufacturing, annealing treatment, eddy current testing, and various mechanical performance tests.
Contact us today for a quotation：sales@gneesteel.com
Packaging and shipping
GNEE offers professional packaging for exported copper pipes. First, we apply anti-rust oil and plastic film to prevent oxidation. Then, we securely strap with steel straps and add corner protectors. Finally, we place the pipes on wooden pallets and reinforce them with iron or wooden boxes, ensuring they are moisture-proof and impact-resistant during ocean transport, while facilitating easy loading and unloading. All packaging meets export standards.
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