Chemical Composition of ASTM B111 C61300 Copper Pipe for AC
C61300 aluminum bronze is a high-performance copper alloy primarily composed of copper (Cu) and aluminum (Al), with small amounts of iron (Fe), nickel (Ni), and manganese (Mn) to enhance its mechanical properties. Its typical chemical composition is as follows:
- Copper (Cu): 88.0%–91.0%
- Aluminum (Al): 6.0%–8.0%
- Iron (Fe): 2.0%–4.0%
- Nickel (Ni): 0.5%–2.0%
- Manganese (Mn): ≤1.0%
This alloy combines excellent strength, corrosion resistance, and wear resistance through a balanced combination of elements.
ASTM B111 C61300 Copper Pipe Soldering Physical and Mechanical Properties
C61300 aluminum bronze has excellent comprehensive properties, making it outstanding in engineering applications:
- High Strength: Its tensile strength can reach 550-750 MPa, and its yield strength is approximately 250-400 MPa, significantly higher than that of ordinary brass and some stainless steels.
- Good Wear Resistance: The addition of aluminum and iron significantly enhances the material's wear resistance, making it suitable for high-friction environments.
- Excellent Corrosion Resistance: It is stable in seawater, acidic, and alkaline environments, and exhibits strong resistance to stress corrosion cracking.
- Thermal and Electrical Conductivity: While lower than pure copper, it still maintains good thermal and electrical conductivity, making it suitable for certain specialized applications.
- Machinability: It can be formed by casting, forging, machining, and other methods, and exhibits excellent weldability, but careful heat treatment is required to prevent embrittlement.
Main Applications of ASTM B111 C61300 Type M Copper Pipe
Due to its exceptional performance, C61300 aluminum bronze is widely used in the following fields:
1. Marine and Offshore Engineering: Used in the manufacture of corrosion-resistant components such as propellers, pumps and valves, and seawater pipelines.
2. Chemical Equipment: Suitable for acid- and alkali-resistant valves, seals, and reactor linings.
3. Machinery: Commonly used in high-load, high-wear components such as bearings, gears, and bushings.
4. Power and Electronics: Certain conductive components or electrical connectors require both strength and corrosion resistance.
C61300 aluminum bronze is a high-performance copper alloy. Its unique chemical composition imparts high strength, wear resistance, and corrosion resistance, making it suitable for harsh industrial environments. Whether in offshore engineering, chemical equipment, or machinery, this material delivers reliable performance, making it an ideal choice for high-end industrial applications.
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.
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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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