Copper square tube.  A kind of non-ferrous metal tube, is pressed and drawn seamless tube.  Copper pipe with strong, corrosion resistance characteristics, and become the modern contractor in all residential commercial housing water pipes, heating, refrigeration pipeline installation of the first choice.  Copper pipes are the best water supply.  
      Copper square tube has light weight, good thermal conductivity and high low temperature strength.  It is often used to manufacture heat transfer equipment (such as condenser, etc.).  It is also used for assembling low-temperature pipelines in oxygen production equipment.  Small diameter copper pipe is often used for conveying pressure liquid (such as lubrication system, oil pressure system, etc.) and used as instrument pressure tube, etc.  Copper tubes are strong and resistant to corrosion.  
       Mainly has the following advantages: copper tube hard texture, not easy to corrosion, and high temperature resistance, high pressure resistance, can be used in a variety of not copper type environment.  And compare with brass tube, the shortcoming of a lot of other pipe material is apparent, for instance in the past residence uses more galvanized steel tube, its rust is extremely easy, use time is not long can appear tap water hair yellow, current decrescent wait for a problem.  There are also some materials in high temperature strength will quickly reduce, when used for hot water pipes will produce unsafe hidden dangers.  But because copper has a melting point of 1,083 degrees, the temperature of the hot water system has little effect on brass tubes.  Common brass tubes include electrical brass tube, refrigeration brass tube, high pressure brass tube, corrosion resistant brass tube, connection brass tube, waterway brass tube, electric heating brass tube and industrial brass tube.  

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