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Aluminum Conductor Steel Reinforced (ACSR)

Aluminium Conductors Steel Reinforced (ACSR), also known as Bare aluminium conductors, are one of the most widely used conductors for transmission. The conductor consists of one or more layers of aluminium wires stranded over a high strength steel core that can be single or multiple strands depending on the requirement. There can be various stranding combinations of Al and steel wires lending flexibility to obtain suitable current carrying capacity and mechanical strength for the application.

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Application: Overhead T&D lines-MV, HV & EHV (11 kV to 800 kV Lines).

Main Features:

● high Tensile strength

● better sag properties

● economic design

● best suited for transmission lines with long spans

At a temperature of 20°C (68°F), the density of hard-drawn aluminium has been taken as 2.703 g/cm3 (168.74 lb/cf) and for steel wire 7.78 g/cm3 (485.69 lb/cf).

Standard: IEC, BS, ASTM, CAN-CSA, DIN, IS, AS and relevant national and international standards.

R. NO.	CONDUCTOR CONSTRUCTION	MODOLUS OF ELASTICITY*		LINEAR COEFFCIENT*
R. NO.	CONDUCTOR CONSTRUCTION	MPA	KSI	/OC	/OF
1	6Al/1Steel	81000	11748	19.2 X 10-6	10.7 X 10-6
2	6Al/7Steel	75000	10878	19.8 X 10-6	11.0 X 10-6
3	12Al/7Steel	107000	15519	15.3 X 10-6	8.5 X 10-6
4	18Al/1Steel	66000	9572	21.2 X 10-6	11.8 X 10-6
5	24Al/7Steel	74000	10733	19.4 X 10-6	10.8 X 10-6
6	26Al/7Steel	77000	11168	18.9 X 10-6	10.5 X 10-6
7	30Al/7Steel	82000	11893	17.8 X 10-6	9.9 X 10-6
8	26Al/19Steel	76000	11023	19.0 X 10-6	10.5 X 10-6
9	30Al/19Steel	81000	11748	17.9 X 10-6	9.9 X 10-6
10	42Al/1Steel	60000	8702	21.2 X 10-6	11.8 X 10-6
11	45Al/7Steel	61000	8847	20.9 X 10-6	11.6 X 10-6
12	48Al/7Steel	62000	8992	20.5 X 10-6	11.4 X 10-6
13	54Al/7Steel	70000	10153	19.3 X 10-6	10.7 X 10-6
14	54Al/19Steel	68000	9863	19.4 X 10-6	10.8 X 10-6
15	84Al/7Steel	65000	9427	20.1 X 10-6	11.1 X 10-6
16	84Al/19Steel	64000	9282	20.0 X 10-6	11.1 X 10-6

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