Advantages of Using C12200 Copper Tubes for Plumbing

UNS C12200 is a commercially pure copper that is phosphorus deoxidized, with high residual phosphorus. It is also known as DHP copper. It is widely used for the manufacture of seamless copper water tubes in accordance with ASTM B88. The UNS C12200 seamless copper tubes are mainly intended for general pluming and the conveyance of other similar fluids. They are classified as Type K, Type L, and Type M, which is determined by the internal or external fluid pressure, by the installation and service conditions, and by local requirements. Means of joining (soldering, flaring, or compression) or bending are also factors that affect the selection of the type of tube to be used. UNS C12200 copper water tubes have the following advantages, making them widely used in plumbing and water supply services:

Antimicrobial & Antifungal

Copper has natural antimicrobial properties because copper ions can disrupt the cell membranes and DNA of bacteria, fungi, and other microorganisms, effectively killing them. Studies have shown that copper surfaces can kill more than 99.9% of bacteria within a few hours, including many antibiotic-resistant strains. This makes UNS C12200 copper tubes particularly advantageous in applications where hygiene is critical, such as in drinking water systems. Fungi, such as mold, thrive in moist environments, but copper’s antimicrobial action extends to these organisms as well. The copper ions released from the tube surface inhibit the growth and reproduction of fungi, preventing mold formation inside the pipes. This is especially important for maintaining cleanliness and hygiene in tubes used over long periods.

Corrosion Resistance

The corrosion resistance of UNS C12200 copper tubes is attributed to copper’s stable chemical nature. In most water conditions, a protective layer of copper oxide or copper carbonate forms on the surface of the copper, which prevents further corrosion. This makes copper tubes highly durable in various water environments, including slightly acidic and slightly alkaline conditions. In the UNS C12200 alloy, a small amount of phosphorus is added for deoxidation, which enhances the copper’s corrosion resistance, particularly in environments with sulfides or other corrosive agents.

Excellent Physical & Mechanical Properties

The typical plumbing system consisting of ASTM B88 UNS C12200 copper tubes and press-in copper fittings.

UNS C12200 copper has very high thermal conductivity, allowing it to transfer heat quickly and efficiently. This is especially beneficial for hot water supply systems as it reduces heat loss and improves energy efficiency. UNS C12200 copper tubes can maintain their mechanical strength and stability under elevated-temperature conditions, making them very suitable for hot water piping systems. Despite its relatively high density, copper has moderate mechanical strength, making UNS C12200 copper tubes both strong and durable. They can withstand common pressures and physical stresses in water systems, and are not prone to cracking or deformation under normal use.

UNS C12200 copper tubes have good ductility and formability, meaning they can be easily bent, shaped, and cut to accommodate various complex piping layouts. They are easy to solder, or connect using compression fittings, simplifying the installation process. Copper water tubes significantly reduce the impact of building vibrations on plumbing systems due to their high strength, ductility, and inherent damping properties, which allow them to absorb and dissipate energy effectively. The secure connections and low thermal expansion coefficient of copper further enhance its stability, minimizing the risk of loosening or leaks caused by vibrations. Copper’s durability and resistance to fatigue ensure the long-term integrity of the plumbing system. The UNS C12200 copper tubes supplied by Metalin Tech can withstand a working pressure of 4.0 MPa at 65°C. Once put into use, they will not crack or leak, and their lifespan will match that of the building.