the overall performance of the aluminum cable

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Conductivity

    Aluminum conductivity of IACS 61.5% of the copper of the most commonly used reference materials, current carrying capacity is 79% of the copper is better than pure alumin um standard. However, in the same volume, the actual weight of aluminum is about one-third of the copper. In accordance with the calculations meet the same conductive properties of the same weight aluminum cable length is twice that of copper cables. Therefore, the weight of the aluminum cable in the same carrying capacity is about half of the copper. Using aluminum alloy cables instead of copper can reduce cable weight, lower installation costs, and reduce the wear and tear of equipment and cables to make the installation job easier.

Creep resistancewater pipe clamps

    The alloy of aluminum alloy conductor annealing treatment process to reduce the "creep" tendency of the conductor under heat and pressure, relative to pure aluminum, creep resistance increased by 300%.

Tensile strength and elongationspring clip

    Aluminum alloy conductor compared to pure aluminum conductor, by adding special ingredients and using a special process, which greatly improves the tensile strength and elongation increased to 30%, more secure and reliable.

Coefficient of thermal expansion

    The thermal expansion coefficient used to calculate the dimensional changes of material changes in temperature. Aluminum thermal expansion coefficient with copper equivalent over the years aluminum connector has been reliably used for copper and aluminum conductors, and most of the electrical connectors in use today are made of aluminum, which is particularly suitable for aluminum alloy. Expansion and contraction of the aluminum alloy conductor and connector.

Connectivity

    Aluminum alloy electrical connection with the manufacture of copper conductor connection, security and stabi lity. Aluminum components greatly improved connectivity, when the annealing of the conductor, to add iron to produce high strength creep resistance, even in the long overload and overheating, but also to ensure the connection is stable.metal cable clamp

Weight bearing capacity and

    The tensile strength aluminum alloy to improve the pure aluminum, aluminum alloy cable can support the weight of 4000 m length copper cable can only support 2750 m. This advantage in the span of the building (reflected, such as stadiums) when the wiring is particularly prominent.

Corrosion Protection

    Aluminum inherent corrosion resistance edge formed when the aluminum surface in contact with air, a thin, solid oxide, this oxide layer is particularly resistant to various forms of corrosion. Added to the rare earth elements in the alloy can further improve the corrosion resistance of aluminum, in particular, the electrochemical corrosion. Aluminum can withstand the harsh environment of the characteristics that make it widely used in cable tray conductor, as well as many industrial components programs and container. Corrosion usually originates in wet conditions with different metal connection is related to, use appropriate protective measures to prevent the occurrence of corrosion, such as lubricants, antioxidants and protective coating. Acidic soil alkaline soil and certain types of environment have more corrosive to aluminum, direct burial aluminum conductor insulation or molded sheath should be used to prevent corrosion. Sulfur-containing environments, such as railway tunnels and other similar places, the corrosion resistance of aluminum is much better than copper.

Flexibility

    The aluminum alloys have good bending properties, its unique alloy formulations, processing techniqu es, a substantial increase in flexibility. Aluminum alloy is 30% higher than the copper flexibility, rebound 40% lower than copper. General copper bending radius of 10 to 20 times the diameter, aluminum cable bend radius of only seven times the outer diameter, easier to connect terminals.

Pressed features

    Consider solely from the volume conductivity, aluminum is less than copper, but the conductor we have developed not only to improvements made from the material properties, and to achieve a major breakthrough in the process, we have adopted unconventional pressed technology, so that the pressed coefficient 0.93, profiled line pressed coefficient of 0.95, the first of its kind in the country. Pressed by the maximum limit, you can compensate for the deficiencies of the aluminum alloy in the volume conductivity, stranded conductor wire core truthfully heart conductors in general, significantly lower the outer diameter of the wire core, i mprove the conductive properties of conductors, in the case of the same carrying capacity diameter of only 10% larger than copper.

Armored characteristics

    Commonly used armored cable, they use a steel tape armored, low security level, by external destructive, resilience, and prone to breakdown, and heavy weight, a very high installation costs, coupled with poor corrosion resistance, life is not long. Installed according to the standard metal chain armor cable is used in aluminum alloy with a chain of armored chain structure between layers to ensure that the cable can withstand strong outside of the destructive, even if the cable is subjected to greater pressure and impact, the cable is not susceptible to breakdown, improve the safety performance. Armored structure so that the cable from the outside world, even in the fire, the armored layer cable flame retardant fire resistance level, reducing the fire risk coefficient. Aluminum alloy with armored structure for steel tape armored, its light weight, laying to facilitate the free bridge installation can be reduced by 20% to 40% of installation costs. Depending on the places you can choose a different outer sheath layer, to make more extensive use of armored cable.

Flame retardant properties

    Excellent conductor performance is just one of the cable insulation using fire retardant silane crosslinked polyethylene, depending on the requirements to achieve different levels of flame retardant, flame-retardant high-level FT4 level along the fuel combustion, dripping, and the combustion of halogen, greatly improves the security level. Coupled with the aluminum alloy with a chain armor fitted structure, and low smoke zero halogen polyolefin jacket, can withstand 750 to 800 ℃, 40min of flame does not appear along the burning and dripping phenomenon, and can continue to supply power to achieve flame-retardant Class IA standar d.