Galvanized steel wire (GSW)

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Galvanized steel wirestrand (GSW) is used for overhead ground lines or electrical power transmission lines.

Stay wire or guy wire strands are produced for use with poles, towers, or any other form of guying. And it usually is the inner core of ACSR.

SPECIFICATIONS

CONSTRUCTION

PARAMETER

INQUIRY

SPECIFICATIONS

1. APPLIACATION: DISTRIBUTION LINE POWER NETWORKS.

2. STANDARD: ASTM A475,BS 183:1972,GB 1200.

3. INSTALLATION CONDITIONS: OPEN AIR.

4. ZINC COATING: 185-290g/m²(Class A), 520g/m²(Class B) & 780g/m²(Class C).

5. PACKAGING: BY ROLL, BY POLYWOOD OR WOODEN OR STEEL-WOODEN REEL/DRUM.

CONSTRUCTION

1. Conductor

Galvanized steel wire

Generally, the Galvanized Steel Conductor is formed by the following construction:

PARAMETER

GALVANHIZED STEEL WIRE STRAND ASTM A475

Number of Wires/Dia	Approx. Stand Dia.		Siemem Martin Grade	High Strength Grade	Extra-high Strength Grade	Weight
No./mm	Inch	mm	kN	kN	kN	kg/km
3/2.64	7/32	5.56	10.409	15.569	21.796	131.00
3/3.05	1/4	6.35	13.523	21.04	29.981	174.00
3/3.05	1/4	6.35	–	–	–	174
3/3.30	9/32	7.14	15.035	23.398	33.362	204
3/3.68	5/16	7.94	18.193	28.246	40.479	256
3/4.19	3/8	9.52	24.732	37.187	52.489	328
7/1.04	1/8	3.18	4.048	5.916	8.14	49
7/1.32	5/32	3.97	6.539	9.519	13.078	76
7/1.57	3/16	4.76	8.452	12.677	17.748	108
7/1.65	3/16	4.76	–	–	–	118
7/1.83	7/32	5.56	11.387	17.126	24.02	145
7/2.03	1/4	6.35	14.012	21.129	29.581	181
7/2.36	9/32	7.14	18.905	28.469	39.812	243
7/2.64	5/16	7.94	23.798	35.586	49.82	305
7/2.77	5/16	7.94	–	–	–	335
7/3.05	3/8	9.52	30.915	48.04	68.503	407
7/3.68	7/16	11.11	41.591	64.499	92.523	594
7/4.19	1/2	12.7	53.823	83.627	119.657	768
7/4.78	9/16	14.29	69.837	108.981	155.688	991
7/5.26	5/8	15.88	84.961	131.667	188.605	1211
19/2.54	1/2	12.7	56.492	84.961	118.768	751
19/2.87	9/16	12.49	71.616	107.202	149.905	948
19/3.18	5/8	15.88	80.513	124.995	178.819	1184
19/3.81	3/4	19.05	116.543	181.487	259.331	1719
19/4.50	7/8	22.22	159.691	248.211	354.523	2352
19/5.08	1	25.4	209.066	325.61	464.839	2384
37/3.63	1	25.4	205.508	319.827	456.832	3061
37/4.09	11/8	28.58	262.000	407.457	581.827	4006
37/4.55	11/4	31.75	324.720	505.318	721.502	4833

GALVANHIZED STEEL WIRE STRAND BS 183

Number of Wires/Dia	Approx. Stand Dia.	Minimum Breaking Load of Strand							Weight
Number of Wires/Dia	Approx. Stand Dia.	Grade 350	Grade 480	Grade 700	Grade 850	Grade 1000	Grade1150	Grade 1300	Weight
No./mm	mm	kN	kN	kN	kN	kN	kN	kN	kg/km
3/1.80	3.9	2.65	3.66	–	–	–	–	–	60
3/2.65	5.7	5.80	7.95	–	–	–	–	–	130
3/3.25	7.0	8.70	11.95	–	–	–	–	–	195
3/4.00	8.6	13.20	18.10	–	–	–	–	–	295
4/1.80	4.4	3.55	4.90	–	–	–	–	–	80
4/2.65	6.4	7.70	10.60	–	–	–	–	–	172
4/3.25	7.9	11.60	15.90	–	–	–	–	–	260
4/4.00	9.7	17.60	24.10	35.20	–	–	–	–	390
5/1.50	4.1	3.10	4.24	6.18	–	–	–	–	69
5/1.80	4.9	4.45	6.10	8.90	–	–	–	–	95
5/2.65	7.2	9.65	13.25	19.30	–	–	–	–	220
5/3.25	8.8	14.50	19.90	29.00	–	–	–	–	320
5/4.00	10.8	22.00	30.15	43.95	–	–	–	–	490
7/0.56	1.7	0.60	0.83	1.20	–	1.7	1.98	2.24	14
7/0.71	2.1	0.97	1.33	1.94	–	2.75	3.19	3.60	28
7/0.85	2.6	1.39	1.90	2.80	–	3.95	4.57	5.15	31
7/0.90	2.7	1.55	2.14	3.10	–	4.45	5.12	5.80	35
7/1.00	3.0	1.92	2.64	3.85	–	5.50	6.32	7.15	43
7/1.25	3.8	3.01	4.10	6.00	–	8.55	9.88	11.15	67
7/1.40	4.2	3.75	5.17	7.54	9.16	10.75	12.35	14.00	84
7/RS*	4.3	3.85	5.28	7.70	9.35	11.00	12.65	14.30	86
7/1.60	4.8	4.90	6.75	9.85	11.95	14.10	16.20	18.30	110
7/1.80	5.4	6.23	8.55	12.45	–	17.80	20.50	23.20	140
7/2.00	6.0	7.70	10.55	15.40	–	22.00	25.30	28.60	170
7/2.36	7.1	10.70	14.70	21.40	–	30.60	35.20	39.80	240
7/2.65	8.0	13.50	18.50	27.00	–	38.60	44.40	50.20	300
7/3.00	9.0	17.30	23.75	34.65	–	49.50	56.90	64.30	392
7/3.15	9.5	19.10	26.20	38.20	–	54.55	62.75	70.90	430
7/3.25	9.8	20.30	27.85	40.65	–	58.05	66.80	75.50	460
7/3.65	11.0	25.60	35.15	51.25	–	73.25	84.20	95.20	570
7/4.00	12.0	30.90	42.20	61.60	–	88.00	101.0	114.00	690
7/4.25	12.8	34.75	47.65	69.50	–	99.30	114	129.00	780
7/4.75	14.0	43.40	59.45	86.80	–	124	142.7	161.3	970
19/1.00	5.0	5.22	7.16	10.45	–	14.92	17.16	19.40	120
19/1.25	6.3	8.16	11.19	16.32	–	23.32	26.81	30.31	180
19/1.40	7.0	10.24	14.04	20.47	–	29.25	33.64	38.02	230
19/1.60	8.0	13.37	18.35	26.75	–	38.2	43.93	49.66	300
19/2.00	10.0	20.90	28.65	41.78	50.74	59.69	68.64	77.60	470
19/2.50	12.5	32.65	44.80	65.29	79.28	93.27	107.3	121.3	730
19/3.00	15.0	47.00	64.50	94.00	114.1	134.3	154.5	174.6	1050
19/3.55	17.8	65.80	90.27	131.6	159.9	188.0	216.3	244.5	1470
19/4.00	20.0	83.55	114.6	167.1	203.0	238.7	274.6	310.4	1870
19/4.75	23.8	117.85	161.6	235.7	286	336.7	387.2	437.7	2630

GALVANHIZED STEEL WIRE STRAND GB 1200-88

Construction	Wire Dia.	Overall Dia.	Total Area	Specific Tensile Strength					Weight
				1175	1270	1370	1470	1570
				Min. Total Breaking Load of Wires
	mm	mm	mm2	kN	kN	kN	kN	kN	kg/100m
1×3	2.90	6.2	19.82	23.29	25.17	27.15	29.14	31.12	15.99
	3.20	6.4	24.13	28.35	30.65	33.06	35.47	37.88	19.47
	3.50	7.5	28.86	33.91	36.65	39.54	42.43	45.31	23.29
	4.00	8.6	37.70	44.3	47.88	51.65	8.08	59.19	30.42
1×7	1.00	3.0	5.50	6.46	6.98	7.54	11.64	8.64	4.37
	1.20	3.6	7.92	9.31	10.06	10.85	11.64	12.43	6.29
	1.40	4.2	10.78	12.67	13.69	14.77	15.85	16.92	8.56
	1.60	4.8	14.07	16.53	17.87	19.28	20.68	22.09	11.17
	1.80	5.4	17.81	20.93	22.62	24.40	26.18	27.96	14.14
	2.00	6.0	21.99	25.84	29.73	30.13	32.32	34.52	17.46
	2.30	6.9	29.08	34.17	36.93	39.84	42.75	45.66	23.09
	2.60	7.8	37.17	43.60	47.20	50.92	54.63	58.35	29.51
	2.90	8.7	46.24	54.33	58.72	63.35	67.97	72.06	36.71
	3.20	9.6	56.30	66.15	71.50	77.13	82.76	88.39	44.70
	3.50	10.5	67.35	79.14	85.85	92.27	99.00	105.74	53.48
	3.80	11.4	79.39	93.28	100.82	108.76	116.70	124.64	63.04
	4.00	12.0	87.96	103.35	111.71	120.50	129.30	138.10	69.84
1×19	1.60	8.0	38.20	44.88	48.51	52.33	56.15	59.97	30.40
	1.80	9.0	48.35	56.81	61.40	66.24	71.07	75.91	38.49
	2.00	10.0	59.69	70.14	75.81	81.78	87.74	93.71	47.51
	2.30	11.5	78.94	92.75	100.25	108.15	116.04	123.94	62.84
	2.60	13.0	100.88	118.53	128.12	138.20	148.29	158.38	80.30
	2.90	14.5	125.50	147.46	159.38	171.93	184.48	197.03	99.90
	3.20	16.0	152.81	179.55	194.06	209.35	224.63	239.91	121.64
	3.50	17.5	182.80	214.79	232.16	250.44	268.72	287.00	145.51
	4.00	20.0	238.76	280.54	303.23	327.10	350.98	374.86	190.05