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    aluminum coil for transformer windings

    Grade:1060,1050,1070,1350
    Thickness:0.08mm-3.0mm
    Width:20mm-1650mm
    Hotline:371-63382659

     Main material of transformer aluminum belt
    The aluminium strip products that are mainly used in transformer raw materials is 1060 O state aluminum coil/strip, other alloys are: 1050, 1050 A, 1050, 1070, 1070 A, 1350, temper: O,temper “O” is said soft state. The thickness ( Henan changyuan aluminum) is between 0.08 and 3.00,the width is from 20mm to 1650mm. aluminum strip and foil is use as the dry type transformer aluminum strip.

    The advantages of aluminum strip aluminum strip 1060.jpg
    Dry type transformer aluminum strip, aluminum foil with high aluminum content (usually 99.6% - more than 99.6%) ,but conductive performance and thermal conductive performance of aluminum coil is lower than that of conventional metal copper.The metal conductivity of metal in the order from high to low: silver ,copper ,gold ,aluminum ,nickel ,alloy steel. Because the price of copper is much higher than aluminum, the most commonly used materials for the current transformer belt are aluminum belts. The surface is smooth and unscratched. The sides can be chamfered (rounded corners, rounded edges), no burrs, better than the national standard. The resistivity is less than or equal to 0.028. Dry type transformer with aluminium strip and foil is made of high quality pure aluminum as raw materials, with high conductivity, the characteristics of soft, smooth surface, no burr, that is an ideal material and is a key raw material of dry type transformer,many technical indicators is very stringent about manufacturing of transformer winding, that is the aluminium strip and foil with the high conductivity, burr edge, side bend, surface quality and so on.

    The aluminum foil of the transformer and the materials are usually selected with 1060 aluminum strip. The aluminum content of the aluminum foil is more than 99.6% and is called pure aluminum plate, which belongs to a common series in the aluminum plate belt. The advantages of this series of aluminum plates: the most commonly used series, the production process is relatively unitary, the technology is relatively mature, the price has a huge advantage relative to other high-grade alloy aluminum plate. With good elongation and tensile strength, it can meet the normal processing requirement (stamping, drawing). For industrial pure aluminum, it has high plasticity, corrosion resistance, conductivity and thermal conductivity, but the intensity is low, the heat treatment can not strengthen the cutting ability. Soldering, hydrogen welding and contact welding are not easy to brazing. Easy to withstand various pressure machining and extension, bending.

    The standard of the application of transformer aluminum strip


    Grades are mainly A1060 (O), mainly used in high and low voltage winding of dry type transformer is used as conductive materials, aluminum with chemical composition in accordance with GB/T 3190-1996 "deformation of aluminium and aluminium alloy chemical composition" regulation, technical requirements and mechanical properties conform to TUN900 069 1998 edition of the aluminum coil with the finished product aluminum foil supply technical conditions.

     

     

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