Aluminium Clad Steel Conductor ( ACS )

Solid or Stranded Aluminium Clad Steel Conductor

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Application

ASTM B416/B549 aluminum-clad steel conductor (ACS) for overhead ground wires (shield wires/earth wires), long-span transmission lines, OPGW (optical ground wire) core strand, extra-high voltage overhead conductors (ACSR/AW), and self-damping conductor lines. High-strength steel core with thick aluminum cladding (≈25% by cross-section) for excellent corrosion resistance and thermal stability.

Core Strengths

Overhead ground wires in coastal zones demand decades of corrosion-free life. Our ACS uses thick aluminum cladding (25% cross-section) over high-strength steel core—superior corrosion resistance to galvanized steel, with thermal stability for high-temperature operation. Complies ASTM B416/B549. For OPGW and earth wires.

Standard

ASTM A 474

Construction

☉〉 Core: High-strength steel

☉〉 Cladding: Aluminum metallurgically bonded to steel core

☉〉 Types: Solid or stranded

Features

☉〉 High tensile strength from steel core

☉〉 Good conductivity (≈20–30% IACS) from aluminum cladding

☉〉 Excellent corrosion resistance (aluminum outer layer)

☉〉 Lighter than copper, stronger than pure aluminum

☉〉 Suitable for overhead ground wires and long-span transmission

Product Data Sheet

Product Data Sheet-ACS
Nominal Cross Section	Construction		Conductor Dia.	Rated Breaking Strength	Approx. weight	Max Resistance at 20°C
Nominal Cross Section	Stranding No.	Single wire	Conductor Dia.	Rated Breaking Strength	Approx. weight	Max Resistance at 20°C
mm2	No.	AWG	mm	KN	kg/km	Ω/km
620.6	37	5	32.26	634.8	4167	0.13925
492.2	37	6	28.7	534.3	3305	0.17561
390.3	37	7	25.65	447.6	2620	0.22144
309.5	37	8	22.83	374.3	2079	0.27921
245.5	37	9	20.35	296.8	1648	0.35213
194.6	37	10	18.11	235.4	1307	0.44393
318.7	19	5	23.11	326.1	2127	0.26964
252.7	19	6	20.57	274.3	1686	0.34
200.5	19	7	18.31	230	1338	0.42885
159	19	8	16.31	192.2	1061	0.54066
126.1	19	9	14.53	152.4	841	0.68164
99.9	19	10	12.93	120.9	667	0.85967
117.4	7	5	13.87	120.2	781	0.7423
93.1	7	6	12.34	101	619	0.91902
73.9	7	7	11	84.7	491	1.15902
58.6	7	8	9.78	70.8	389	1.46164
46.4	7	9	8.71	56.1	309	1.84295
36.8	7	10	7.77	44.5	245	2.32393
29.2	7	11	6.91	35.3	194	2.93049
23.2	7	12	6.15	28	154	3.69508
50.3	3	5	9.96	54.4	334	1.69738
39.9	3	6	8.86	45.7	265	2.14033
31.6	3	7	7.9	38.3	210	2.69902
25.1	3	8	7.04	32	167	3.40328
19.9	3	9	6.27	25.4	132	4.2918
15.8	3	10	5.59	20.1	105	5.41311

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