Strands - Covered in aluminum for electrical use

Since 1988 Emcocables has produced aluminized cables and strands through continuous aluminum extrusion.

The process begins when the high carbon wire, thinned to make cable, covered in aluminum primary 1350, then thinned again to the desired diameter, lastly, it is thinned again to meet the customer’s construction needs.

Emcocables S.A.’s aluminum products are used mainly for elevated wires, message strands, nucleuses for ACSR/AS (AW) conductors, premolded products, and buried fiber optic cables, better known as OPGW.

In addition to the strands made under the ASTM B 416 standards, Emcocables has developed ALUSHIELD strands in order to replace Class C galvanized products, with products with higher resistance, and break force, while weighing less and with a smoother surface.

Requirements for the construction of concentric wired aluminum conductors reinforced with aluminum covered steel. a*

Caliber Designation b*	Number of Individual wires	Individual Nominal Diameter per Wire (mm)	Nominal Diameter (mm) c*	Minimum Break Load (No.)
19 No. 5 AWG	19	4,6203	23,114	326277,084
19 No. 6 AWG	19	4,1148	20,527	274455,297
19 No. 7 AWG	19	3,6652	18,3134	230106,524
19 No. 8 AWG	19	3,2639	16,3068	192341,119
19 No. 9 AWG	19	2,9058	14,5288	152529,532
19 No.10AWG	19	2,5883	12,9286	120947,156
7 No. 5 AWG	7	4,6203	13,8684	120235,441
7 No. 6 AWG	7	4,1148	12,3444	101108,086
7 No. 7 AWG	7	3,6652	10,9982	84783,111
7 No. 8 AWG	7	3,2639	9,779	70860,176
7 No. 9 AWG	7	2,9058	8,7122	56181,044
7 No.10AWG	7	2,5883	7,7724	44571,184
7 No.11AWG	7	2,3038	6,9088	35341,124
7 No.12AWG	7	2,0523	6,1468	28028,247
3 No. 5 AWG	3	4,6203	9,9568	54401,755
3 No. 6 AWG	3	4,1148	8,8646	45727,722
3 No. 7 AWG	3	3,6652	7,8994	38348,122
3 No. 8 AWG	3	3,2639	7,0358	32053,888
3 No. 9 AWG	3	2,9058	6,2738	25421,589
3 No.10AWG	3	2,5883	5,588	20159,342

a* - For equivalent measurements in English: Diameter (inches)- divide in mm by 25.4 break load - divide the break load in N by 4.448 222
b* - The designation indicates the number of wires by the number of AWG caliber of each one
c* - Diameter of the circumscribed circle

Approximate Properties of Aluminum Covered Steel Concentric Wired Conductors

Number and Caliber of the wires	Nominal Diameter (mm)	Minimum Break Load (N)	Normal mass	Maximum Resistance c.d to 20º ohm/km	Transversal Section Nominal mm2
Number and Caliber of the wires	Nominal Diameter (mm)	Minimum Break Load (N)	Kg/Km	Maximum Resistance c.d to 20º ohm/km	Cmils	mm2
19 No. 5 AWG	23,114	326719,516	2128,0688	02698	628900	318,709
19 No. 6 AWG	20,574	274827,459	1687,5734	0,3402	498800	252,7092
19 No. 7 AWG	18,3134	230418,549	1338,5999	0,4291	395500	200,4512
19 No. 8 AWG	16,3068	192601,934	1061,8022	0,541	313700	158,9674
19 No. 9 AWG	14,5288	152736,363	842,0009	0,682	248800	126,0643
19 No.10AWG	12,9286	121111,161	667,7374	0,8603	197300	99,9353
7 No. 5 AWG	13,8684	120398,480	781,1352	0,7428	231700	117,4191
7 No. 6 AWG	12,3444	101245,189	619,5210	0,9190	183800	93,0966
7 No. 7 AWG	10,9932	84898,077	491,0928	1,1598	145700	73,8708
7 No. 8 AWG	9,779	70956,263	389,6003	1,4626	115600	58,561
7 No. 9 AWG	8,7122	56257,225	308,9420	1,8442	91650	46,4386
7 No.10AWG	7,7724	44631623	245,1000	2,3255	72680	36,8257
7 No.11AWG	6,9088	35389,046	194,3537	2,9326	57590	29,1806
7 No.12AWG	6,1468	28066,253	154,1734	3,6977	45710	23,1612
3 No. 5 AWG	9,9568	54475,524	334,0919	1,6985	99310	50,3225
3 No. 6 AWG	8,8646	45789,729	265,0413	2,1418	78750	39,9031
3 No. 7 AWG	7,8994	38400,122	210,1282	2,7009	62450	31,6451
3 No. 8 AWG	7,0358	32097,352	166,6739	3,4057	49530	25,0967
3 No. 9 AWG	6,2738	25456,060	132,1635	4,2948	39280	19,9032
3 No.10AWG	5,588	20186,678	104,8111	5,4169	31150	15,7806

Increments due to the Wiring

Type of Conductor	Increment (increase) of resistance and mass
3 alambres	0.8
7 alambres	1.0
19 alambres	1.4
37 alambres	2.0