Round Edge Aluminum Strip/Tape for Dry Winding Transformer

Round edge Aluminum Strip/Tape for Dry Winding Transformer Round edge Transformer strip is used in transformers for electrical engineering and in power distribution, which means in power plants and substations, in local distribution networks, in wind power, industrial plant and the power adaptors belonging to electronic devices.1.ApplicationThis Specification specifies aluminium foil used as conductors for transformers ( hereinafter abbreviated as "foil" ). 2.Applicable DimensionsThe applicable dimension of foil shall conform to table 1.Table 1 Unit : mmThickness0.3 to 2.4Width25 to 12503.Outline of the quality3.1 The chemical composition of shall conform to table 2.Table 2  Unit : weight %SiFeCuMnMgCrZnTiOthersAlIndividualTotalmax.0.2max.0.25max.0.04max.0.03max.0.03-max.0.04max.0.03max.0.03-min.99.65 3.2 Mechanical properties and electric conductivity shall conform to Table 3.Table 3ThicknessTensile strengthN/mm2(MPa)Elongation%Bending 180 buckling inside radiusElectric conductivity% at 20°C     Over 0.3 to 0.5  Less than 7525min.  Close contact  62.5minOver 0.5 to 0.8  Less than 7530min.  Close contact  62.5min.Over 0.8 to 1.3  Less than 7535min.  Close contact  62.5min.Over 1.3 to 2.0  Less than 7535min.  Close contact  62.5min.Over 2.0 to 2.4  Less than 7535min.  Close contact  62.5min.3.3 Dimensions shall conform to Table 4 which indicates dimensional tolerances.   Table 4Unit : mmThicknessTolerance in thicknessTolerance in widthGuaranteed value-25 to 300Over 300to 600Over 600to 1250Over 0.3 to 0.5±0.02 ±0.3±0.5±1.0Over 0.5 to 0.8±0.03 ±0.3±0.5±1.0Over 0.8 to 1.3±0.04 ±0.3±0.5±1.0Over 1.3 to 2.0±0.04 ±0.3±0.5±1.0Over 2.0 to 2.4±0.05 ±0.3±0.5±1.0 3.4 Inside diameter, outside diameter and unit weight shall conform to Table 5.Inside diameterOutside diameterRemarks150mm, 305mm1200mmPaper core.    Special demand could be talk.505mm Note:The classification of Table 5 may be disregarded if particularly specified otherwise.Or Depeneding on customer's requirements. 3.5 Coil's deformation shall conform to Table 6.Table 6.--Deformation of inside diameter(Max. - Min.) < 10  /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1