耐热铝合金导线NRLH58J，NRLH58GJ

耐热铝合金导线（Heat-resistant aluminum alloy conductor）

一、产品型号

NRLH58J：导电率为58% IACS 的铝合金绞线

NRLH58GJ：导电率为58% IACS 的钢芯耐热铝合金绞线

二、产品性能特点及用途

导线长期工作温度为150摄氏度，比普通导线长期工作温度提高1.14倍，载流量提高60%。

单线抗拉强度保持率≧90%。

单线导电率≧58% IACS。

线膨胀系数为 0.000023  1/℃。

电阻温度系数为 0.0039  1/℃。

耐热铝合金导线，不仅具有负荷过载能力强、耐热性能好、传输容量大、抗拉强度高、驰度低等一系列优点，同时它还可以大大降低线路建设的***，有效地解决线路走廊拥挤的问题，改善城市环境，它广泛地应用于电网增容改造、变电站建设和大跨越输电线路中，具有显著的经济效益和社会效益。

Heat-resistant aluminum alloy conductor

Product Types

NRLH58J: Heat-resistant aluminum alloy conductor with conductivity 58% IACS.

NRLH58GJ: Heat-resistant aluminum alloy conductor steel reinforced with conductivity 58% IACS.

Features and application

--Long-term operation temperature is 150 centigrade degrees, 1.14 times higher than normal conductor and its current capacity 60% higher than normal conductor.

--Retention of tensile strength of single wire is not less than 90%.

--Linear expansion coefficient 0.000023 1/℃.

--Retention-temperature coefficient 0.0039 1/℃.

Heat-resistance aluminum alloy conductor has not only strong capacity of over load, excellent heat-resistance, big tran***ission capacity, high tensile strength and low sag etc, but also can decrease ***iously the investment of line c***truction, resolve efficiently the crowded line route and improve the environment of city. They are used widely to reform and enlarge the line capacity, c***truction of power station, tran***ission line with big span and h***e very notable economic and social benefit.