GSW Galvanized Steel Wire/Strand

GSW Galvanized Steel Wire/Strand

Galvanized Clad steel wire earth wire/stay wire/guy wire/spacer cable (GSW)

Overhead ground wire or static wire on transmission lines

Pole or structure guy wires

Messenger cable for field-erected aerial cable

Galvanized steel wire

Application

GSW Wire-Galvanized Steel Wire/Strand Bare concentric-lay-stranded conductors are made from bare, hard-drawn, round, aluminum clad steel wires for general use of electrical purposes. Tensile strength and zinc-clad of steel wire have different grades.

The galvanized single steel wires or stranded steel wires are suitable for cores of ACSR to improve its tensile strength. And they can also be used in the aerial transmission line as the line material of ground connection to avoid the lightning strike.

Specifications

● IEC 61089 Round Wire Concentric Lay Overhead Electrical Stranded Conductors
● ASTM A 475 Zinc-Coated Steel Wire Strand
● BS 183 General Purpose Galvanized Steel Wire Strand
● AS 1222.1 Steel Conductors and Stays—Bare overhead Part 1: Galvanized (SC/GZ)
● GB/T 1179 Round Wire Concentric Lay Overhead Electrical Stranded Conductors

Parameter

GSW Wire ASTM A 475

Nominal diameter of strand		Number of Wires in Strand	Nominal Diameter of Coated Wire in Strand	Approx. weight of strand	Minimun Breaking Strength of Strand
Nominal diameter of strand		Number of Wires in Strand	Nominal Diameter of Coated Wire in Strand	Approx. weight of strand	Utilities Grade	Common Grade	Siemens- Martin Grade	High- Strength Grade	Extra-high Strength Grade
In.	mm		mm	kg/km	kN	kN	kN	kN	kN
1/8	3.18	7	1.04	48	–	2.402	4.048	5.916	8.140
5/32	3.97	7	1.32	76	–	3.870	6.539	9.519	13.078
3/16	4.76	7	1.57	109	–	5.115	8.452	12.677	17.748
3/16	4.76	7	1.65	119	10.676	–	–	–	–
7/32	5.56	3	2.64	131	–	6.228	10.409	15.569	21.796
7/32	5.56	7	1.83	146	–	6.850	11.387	17.126	24.020
1/4	6.35	3	3.05	174	14.012	8.274	13.523	21.040	29.981
1/4	6.35	3	3.05	174	20.017	–	–	–	–
1/4	6.35	7	2.03	180	–	8.452	14.012	21.129	29.581
9/32	7.14	3	3.30	204	–	9.252	15.035	23.398	33.362
9/32	7.14	7	2.36	244	20.462	11.432	18.905	28.469	39.812
5/16	7.94	3	3.68	255	28.913	11.076	18.193	28.246	40.479
5/16	7.94	7	2.64	305	–	14.234	23.798	35.586	49.820
5/16	7.94	7	2.77	335	26.689	–	–	–	–
3/8	9.52	3	4.19	328	37.810	14.813	24.732	37.187	52.489
3/8	9.52	7	3.05	407	51.155	18.905	30.915	48.040	68.503
7/16	11.11	7	3.68	595	80.068	25.355	41.591	64.499	92.523
1/2	12.70	7	4.19	770	111.206	32.917	53.823	83.627	119.657
1/2	12.70	19	2.54	751	–	33.895	56.492	84.961	118.768
9/16	14.29	7	4.78	1000	–	42.703	69.837	108.981	155.688
9/16	14.29	19	2.87	949	–	42.881	71.616	107.202	149.905
5/8	15.88	7	5.26	1211	–	51.599	84.961	131.667	188.605
5/8	15.88	19	3.18	1186	–	48.930	80.513	124.995	178.819
3/4	19.05	19	3.81	1721	–	71.172	116.543	181.487	259.331
7/8	22.22	19	4.50	2356	–	97.416	159.691	248.211	354.523
1	25.40	19	5.08	3089	–	127.664	209.066	325.610	464.839
1	25.40	37	3.63	3065	–	125.885	205.508	319.827	456.832
1 1/8	28.58	37	4.09	4010	–	160.136	262.000	407.457	581.827
1 1/4	31.75	37	4.55	4840	–	198.391	324.720	505.318	721.502

GSW Wire BS 183

Sectional Area	Stranding		Diameter of EARTHWIRE	Weight	Rated Strength
Sectional Area	No. of Wires	Individual wire diameter	Diameter of EARTHWIRE	Weight	Grade 350	Grade 480	Grade 700	Grade 850	Grade 1000	Grade 1150	Grade 1300
mm²	No.	mm	mm	Kg/km	KN	KN	KN	KN	KN	KN	KN
7.63	3	1.80	3.90	60.00	2.65	3.66	–	–	–	–	–
16.55	3	2.65	5.70	130.00	5.80	7.95	–	–	–	–	–
24.89	3	3.25	7.00	195.00	8.70	11.95	–	–	–	–	–
37.70	3	4.00	8.60	295.00	13.20	18.10	–	–	–	–	–
10.18	4	1.80	4.40	80.00	3.55	4.90	–	–	–	–	–
22.06	4	2.65	6.40	172.00	7.70	10.60	–	–	–	–	–
33.18	4	3.25	7.90	260.00	11.60	15.90	–	–	–	–	–
50.27	4	4.00	9.70	390.00	17.60	24.10	35.20	–	–	–	–
8.84	5	1.50	4.10	69.00	3.10	4.24	6.18	–	–	–	–
12.72	5	1.80	4.90	95.00	4.45	6.10	8.90	–	–	–	–
27.58	5	2.65	7.20	220.00	9.65	13.25	19.30	–	–	–	–
41.48	5	3.25	8.80	320.00	14.50	19.90	29.00	–	–	–	–
62.83	5	4.00	10.80	490.00	22.00	30.15	43.95	–	–	–	–
1.72	7	0.56	1.70	14.00	0.60	0.83	1.20	–	1.70	1.98	2.24
2.77	7	0.71	2.10	28.00	0.97	1.33	1.94	–	2.75	3.19	3.60
3.97	7	0.85	2.60	31.00	1.39	1.90	2.80	–	3.95	4.57	5.15
4.45	7	0.90	2.70	35.00	1.55	2.14	3.10	–	4.45	5.12	5.80
5.50	7	1.00	3.00	43.00	1.92	2.64	3.85	–	5.50	6.32	7.15
8.59	7	1.25	3.80	67.00	3.01	4.10	6.00	–	8.55	9.88	11.15
10.78	7	1.40	4.20	84.00	3.75	5.17	7.54	9.16	10.75	12.35	14.00
11.24	7	1.43	4.30	86.00	3.85	5.28	7.70	9.35	11.00	12.65	14.30
14.07	7	1.60	4.80	110.00	4.90	6.75	9.85	11.95	14.10	16.20	18.30
17.81	7	1.80	5.40	140.00	6.23	8.55	12.45	–	17.80	20.50	23.20
21.99	7	2.00	6.00	170.00	7.70	10.55	15.40	–	22.00	25.30	38.60
30.62	7	2.36	7.10	240.00	10.70	14.70	21.40	–	30.60	35.20	39.80
38.61	7	2.65	8.00	300.00	13.50	18.50	27.00	–	38.60	44.40	50.20
49.48	7	3.00	9.00	392.00	17.30	23.75	34.65	–	49.50	56.90	64.30
54.55	7	3.15	9.50	430.00	19.10	26.20	38.20	–	54.55	62.75	70.90
58.07	7	3.25	9.80	460.00	20.30	27.85	40.65	–	58.05	66.80	75.50
73.24	7	3.65	11.00	570.00	25.60	35.15	51.25	–	73.25	84.20	95.20
87.96	7	4.00	12.00	690.00	30.90	42.20	61.60	–	88.00	101.00	114.00
99.30	7	4.25	12.80	780.00	34.75	47.65	69.50	–	99.30	114.00	129.00
124.04	7	4.75	14.00	970.00	43.40	59.45	86.80	–	124.00	142.70	161.30
14.92	19	1.00	5.00	120.00	5.22	7.16	10.45	–	14.92	17.16	19.40
23.32	19	1.25	6.30	180.00	8.16	11.19	16.32	–	23.32	26.81	30.31
29.25	19	1.40	7.00	230.00	10.24	14.04	14.04	–	29.25	33.64	38.02
38.20	19	1.60	8.00	300.00	13.37	18.34	26.75	–	38.20	43.93	49.66
59.69	19	2.00	10.00	470.00	20.90	28.65	41.78	50.7	59.69	68.64	77.60
93.27	19	2.50	12.50	730.00	32.65	44.80	65.29	79.3	93.27	107.30	121.30
134.30	19	3.00	15.00	1050.00	47.00	64.50	94.00	114.1	134.30	154.50	174.60
188.06	19	3.55	17.80	1470.00	65.80	90.27	131.60	159.9	188.00	216.30	244.50
238.76	19	4.00	20.00	1870.00	83.55	114.60	167.10	203.0	238.70	274.60	310.40
336.69	19	4.75	23.80	2630.00	117.85	161.60	235.70	286.0	336.70	387.20	437.70

GSW Wire AS 1222.1

Standing and wire diameter	Approx. overall diameter	Cross-section area	Approx. mass per km	Calculated breaking load (CBL)	Equivalent aluminium area	Typical d.c. resistance per km at 20°C
mm	mm	mm²	kg	kN	mm²	Ω
3/2.00	4.31	9.426	74	11.7	1.4	20
3/2.75	5.93	17.82	140	22.2	2.6	11
7/2.00	6	21.99	173	26	3.2	8.7
7/2.75	8.25	41.58	328	49	6.1	4.6
7/3.25	9.75	58.07	458	68.7	8.6	3.3
7/3.75	11.3	77.28	609	91.3	11	2.5
19/2.00	10	59.7	473	70.5	8.8	3.2
19/2.75	13.8	112.9	894	133	17	1.7
19/3.25	16.3	157.6	1250	186	23	1.2

GSW Wire DIN 48201

Nominal Area	Sectional Area	Stranding		Diameter of EARTHWIRE	Weight	Rated Strength
Nominal Area	Sectional Area	No. of Wires	Individual wire diameter	Diameter of EARTHWIRE	Weight	ST I	ST II	ST III	ST IV
mm²	mm²	No.	mm	mm	Kg/km	KN	KN	KN	KN
25	24.25	7	2.10	6.30	192.00	8.98	15.90	30.18	36.17
35	34.36	7	2.50	7.50	272.00	12.73	22.52	42.76	51.25
50	49.48	7	3.00	9.00	391.00	18.33	32.43	61.58	73.80
50	48.35	19	1.80	9.00	384.00	17.91	31.69	60.17	72.11
70	65.81	19	2.10	10.50	522.00	24.38	43.14	81.90	98.16
95	93.27	19	2.50	12.50	741.00	34.56	61.14	116.07	139.11
120	116.99	19	2.80	14.00	929.00	43.34	76.69	145.59	174.49

GSW Wire GOST 3063

Sectional Area	Stranding Center wire Inside Layer		Diameter of EARTHWIRE	Weight		Rated Strength
Sectional Area	Stranding Center wire Inside Layer		Diameter of EARTHWIRE	Weight	1370	1570	1670	1770	1880	1960
mm²	1 wire	18 wire	mm	Kg/km	KN	KN	KN	KN	KN	KN
29.48	1.50	1.4	7.10	253.00	36.35	41.55	44.100	45.850	48.000	50.500
33.82	1.60	1.5	7.60	290.50	41.65	47.65	50.550	52.750	55.050	60.400
38.46	1.70	1.6	8.10	330.00	44.40	54.20	57.600	59.950	62.600	65.900
43.4	1.80	1.7	8.60	372.50	53.55	61.20	65.000	67.700	70.650	74.400
48.64	1.90	1.8	9.10	417.50	59.95	68.60	72.850	75.900	79.200	83.300
60.35	2.20	2	10.00	519.00	74.45	85.10	94.100	93.500	98.000	102.400
72.95	2.40	2.2	11.00	627.40	89.95	102.00	109.000	112.500	118.500	123.500
86.74	2.60	2.4	12.00	746.00	106.00	122.00	129.000	134.000	140.500	147.000
101.72	2.80	2.6	13.00	873.00	124.50	143.00	151.500	158.000	165.000	173.500
117.9	3.00	2.8	14.00	1050.00	145.50	166.00	176.000	183.500	190.000	200.500
135.28	3.20	3	15.00	1160.00	166.50	190.00	202.000	210.500	220.000	231.500
153.84	3.40	3.2	16.00	1320.00	189.50	216.50	226.000	236.500	–	–
173.60	3.60	3.4	17.00	1490.00	214.00	244.50	255.500	267.500	–	–
216.7	4.00	3.8	19.00	1855.00	267.00	305.00	318.500	334.000	–	–

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