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NXF Air Conditioner Fittings GB/T 1531-2009,ASTM B360 Coil Weight 5-30KG OD 1.6mm-6.1mm Copper Capillary Tube

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NXF Air Conditioner Fittings GB/T 1531-2009,ASTM B360 Coil Weight 5-30KG OD 1.6mm-6.1mm Copper Capillary Tube

Product Description

Copper is a chemical element; it has symbol Cu (from Latin cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orange color.Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins, and constantan used in strain gauges and thermocouples for temperature measurement.Copper is one of the few metals that can occur in nature in a directly usable metallic form (native metals). This led to very early human use in several regions, from c. 8000 BC. Thousands of years later, it was the first metal to be smelted from sulfide ores, c. 5000 BC; the first metal to be cast into a shape in a mold, c. 4000 BC; and the first metal to be purposely alloyed with another metal, tin, to create bronze, c. 3500 BC.

Copper Capillary Tube is used as restrictor, to close control refrigerant uniform flow between tubes.Type: General Capillary Tube, Capillary Reducer, Capillary Alloy Tube, Bended Tube and Suction Set, etc.Application: AC, Refrigerator, Refrigeration Industry and Precise Instrument Industry. Standards：GB/T1531-2009；ASTMB360 Alloy No.：TU1,TP2，C12200.

Copper of Chemical composition and mechanical properties