C12200 ASTM B88 Seamless Copper Pipe Type L Type M Red Copper Pipe For Water System

Red copper tube, also known as copper tube, non-ferrous metal tube, is pressed and pulled seamless tube. Trace impurities in red copper have serious influence on the conductivity and thermal conductivity of copper.
Among them, titanium, phosphorus, iron and silicon significantly reduce the electrical conductivity, while cadmium and zinc have little effect. The red copper mentioned here should be very pure indeed, containing more than 99.95% copper.
Very small amounts of impurities, especially phosphorus, arsenic, aluminum, etc., will greatly reduce the conductivity of copper. Copper contains oxygen (copper smelting easy to mix with a small amount of oxygen) on the conductivity of a great impact, used for electricity
Copper in the gas industry must generally be anaerobic copper. In addition, lead, antimony, bismuth and other impurities will make the crystallization of copper can not be combined together, resulting in hot brittle, will also affect the processing of pure copper.
This kind of pure copper with high purity is generally refined by electrolysis: the impure copper (coarse copper) as the anode, pure copper as the cathode, and copper sulfate solution as the electrolyte. When the current passes through,
The impurity copper on the anode gradually melts, and the pure copper gradually precipitates on the cathode. Copper obtained by such refinement; The purity can reach 99.99%.

Seamless copper pipe specification description:

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​Physical display:

Note

There are four kinds of common copper (T1, T2, T3, T4), but suitable for the manufacture of copper pipe copper only T1, T2.
The chemical composition of T1 and T2 is listed below:
The chemical composition of T1 Cu+Ag99.95%, P 0.00%, BI 0.00%, Sb0.002%, AS 0.002%, Fe0.005%, Ni0.002%,
Pb0.003%, SN0.002%,S0.005%, Zn0.005%, O0.02%.
The chemical composition of T2 is Cu+Ag99.95%, Bi0.001%, Sb0.002%, As0.002%, Fe0.005%, Pb0.005%,S0.005%.
To sum up, we can analyze that T2 copper tube has better electrical conductivity, thermal conductivity, ductility and corrosion resistance because of fewer impurities than T1.
Therefore, T2 copper tube made of T2 copper has high electrical conductivity, thermal conductivity, ductility and corrosion resistance, and is used to manufacture heat exchange equipment (such as condenser, etc.),
And high precision hydraulic testing system is the only choice. At the same time because of the above excellent characteristics, so it is widely used in the production of generators, busbars, cables, switching devices,
Transformers and other electrical equipment and heat exchanger, pipe, solar heating device, such as flat plate collector heat conduction equipment.

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