绞线用镀锌钢线

[中文适用范围]： 适用于架空输电线路建设中使用的镀锌钢丝。涵盖所有电线（包括涂层），单根直径范围为 1.25 毫米至 5.50 毫米（含）。包括三个等级的钢材和两个等级的钢材 [外文原描述]： Applies to zinc-coated steel wires used in the construction and/or reinforcement of conductors for overhead power transmission purposes, and is intended to cover all wires used in construction where the individual wire diameters, including coating, are in the range of 1.25 mm to 5.50 mm. Three grades of steel are included to reflect the needs of conductor users: regular steel, high strength steel and extra high strength steel. Two classes of coating represented by minimum zinc mass per unit area are included: Class 1 and Class 2.