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耐热铝合金绞线及耐热钢芯铝合金绞线
耐热铝合金绞线及耐热钢芯铝合金绞线

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详情说明

B：耐热铝合金绞线及耐热钢芯铝合金绞线
Thermal resistant aluminum alloy stranded conductors
and steel-reinforced aluminum alloy conductors.

本产品适用于架空电力线路及旧架空线路的改造。
The product is used in the field of aerial power line.

一、产品执行标准 Manufacturing standard
本产品执行企业标准。
This product is the enterprise standard 。

二、用途及特点Uses and charicteristicses:
适用于架空输电线路，长期工作温度可达150℃，在满负荷条件下，其传输容量可比普通产品提高60%。
The product is used in aerial transmission line .Max. continuous operating temperature can be 150℃.The transmission capacity of this product increases 60% than normal one.

三、性能 Properties
1、相对导电率：58%IACS（20℃时电阻率不大于0.029726Ω.mm2/m）.
Relative conductance :58% IACS(Max.resistivity at 20℃: 0.029726Ω.mm2/m)
2、加热至230℃，保温1h，冷却至室温时，强度保持率不小于90%。
After heating to 230℃ for 1h ,and cooling to room temperature ,the tensile strength remained should not less than 90%.
3、线膨胀系数0.000023 1/℃
Longitudinal expansion coefficient 0.000023 1/℃
4、电阻温度系数0.0039 1/℃
Temperature coefficient of resistance 0.000023 1/℃

四、产品型号 Types
NR LH   58   J
                        绞线；Stranded conductor
                        相对导电率58%； Relative conductance :58% IACS
                        铝合金；Aluminum alloy
                        耐热；Thermal resistan

NR LH   58   GJ
                        钢芯绞线；Steel –reinforced stranded conductor
                        相对导电率58%； Relative conductance :58% IACS
                        铝合金；Aluminum alloy
                        耐热；Thermal resistant

五、产品的主要技术性能及规格Size and main technical performance of the product
1、耐热铝合金圆线应符合《导电率58%IACS耐热铝合金圆线》的规定。
Thermal resistant aluminum alloy round wire should be in accordance with the standard《Thermal resistant Aluminum Alloy Round Wire of Relative Conductance 58% IACS》.
2、镀锌钢丝应符合GB/T 3428《钢芯铝绞线用镀锌钢丝》的规定。
Galvanized steel wire should be in accordance with the standard GB/T3428《Galvanized steel wire which is used in Aluminum stranded conductors steel-reinforced 》.
3、耐热铝合金绞线的主要技术性能及规格（表5-1）
Size and main technical performance of the product for thermal resistant aluminum alloy stranded conductor（Table 5-1）.

表5-1 Table 5-1

标称截面 Normal cross-section mm2	结构（根数/直径） Construction (No/diameter) mm	计算截面 Calculated cross-sectional area mm	外径 Outer diameter mm	20℃直流电阻不大于 DC.resistance at 20℃ ≯ Ω/km	计算拉断力 Calculated breaking load N	计算重量 Calculate d weight kg/km	交货长度（不小于） Delivery Length ≮ m
35	7/2.50	34.36	7.50	0.8763	5125	94.2	2000
50	7/3.00	49.48	9.00	0.6085	7380	135.7	1500
75	7/3.60	71.25	10.80	0.4226	10289	195.4	1250
95	7/4.16	95.14	12.48	0.3165	13287	260.9	1000
120	19/2.85	121.21	14.25	0.2496	18079	334.0	1500
150	19/3.15	148.07	15.75	0.2043	21381	408.0	1250
185	19/3.50	182.80	17.50	0.1655	26396	503.7	1000
210	19/3.75	209.85	18.75	0.1442	30302	578.2	1000
240	19/4.00	238.76	20.00	0.1267	33343	657.9	1000
300	37/3.20	297.57	22.40	0.1019	42969	821.6	1000
400	37/3.70	397.83	25.90	0.07622	57447	1098.5	1000
500	37/4.16	502.90	29.12	0.06030	70230	1388.6	1000
630	61/3.63	631.30	32.67	0.04803	86362	1746.8	800
800	61/4.10	805.36	36.90	0.03765	106549	2228.4	800