GSW (Galvanized Steel Wire Strand) 

1. Standards
ASTM A475: Standard Specification for Zinc-Coated Steel Wire Strand
ASTM B 498: Standard Specification for Zinc-Coated (Galvanized) Steel Core Wire for Aluminum Conductors, Steel Reinforced (ACSR)
BS183: Specification for General Purpose Galvanized Steel Wire Strand
BS 50189: Conductors ofr overhead lines-Zinc coated steel wires
IEC 60888: Zinc-coated steel wires for stranded conductors
DIN 48200: Wires for stranded conductors 
JIS G 3537: Zinc-coated steel wire strands
AS 1222.1: Steel conductors and stays-Bare overhead

2.Technical Data
 Hot-Dipped Galvanized steel wire
 Diameter:1.24~5.50mm
 Zinc Coating:150-400g/m2 ASTM class A. class B.
 Tensile Strength:900-1720 mpa.
 Intensity Level:General,High,Very High.
 Min.No. of 360° twists:10~16.
 Construction:1×3,1×7,1×19.

3. Application
Used as overhead ground wire or static wire on transmission lines, as pole or structure guy wires, and as messenger cable, fields and pastures division, animal containment.

4.Standard ASTM A 475

Number of wires/ Nominal dia.	Approx. strand dia.		Utilities grade	Common grade	Siemens- martingrade	High- strength grade	Extra high- strength grade	Approx. weight
No./mm	Inch	mm	kN	kN	kN	kN	kN	kg
3/2.64	7/32	5.56	-	6.228	10.409	15.569	21.796	131
3/3.05	1/4	6.35	14.012	8.274	13.523	21.040	29.981	174
3/3.05	1/4	6.35	20.017	-	-	-	-	174
3/3.30	9/32	7.14	-	9.252	15.035	23.398	33.362	204
3/3.68	5/16	7.94	28.913	11.076	18.193	28.246	40.479	255
3/4.19	3/8	9.52	37.810	14.813	24.732	37.187	52.489	328
7/1.04	1/8	3.18	-	2.402	4.048	5.916	8.140	48
7/1.32	5/32	3.97	-	3.870	6.539	9.519	13.078	76
7/1.57	3/16	4.76	-	5.115	8.452	12.677	17.748	109
7/1.65	3/16	4.76	10.676		-	-	-	119
7/1.83	7/32	5.56	-	6.850	11.387	17.126	24.020	146
7/2.03	1/4	6.35	-	8.452	14.012	21.129	29.581	180
7/2.36	9/32	7.14	20.462	11.432	18.905	28.469	39.812	244
7/2.64	5/16	7.94	-	14.234	23.798	35.586	49.820	305
7/2.77	5/16	7.94	26.689	-	-	-	-	335
7/3.05	3/8	9.52	51.155	18.905	30.915	48.040	68.503	407
7/3.68	7/16	11.11	80.068	25.355	41.591	64.499	92.523	595
7/4.19	1/2	12.70	111.206	32.917	53.823	83.627	119.657	770
7/4.78	9/16	14.29	-	42.703	69.837	108.981	155.688	1000
7/5.26	5/8	15.88	-	51.599	84.961	131.667	188.605	1211
19/2.54	1/2	12.70	-	33.895	56.492	84.961	118.768	751
19/2.87	9/16	12.49	-	42.881	71.616	107.202	149.905	949
19/3.18	5/8	15.88	-	48.930	80.513	124.995	178.819	1186
19/3.81	3/4	19.05	-	71.172	116.543	181.487	259.331	1721
19/4.50	7/8	22.22	-	97.416	159.691	248.211	354.523	2356
19/5.08	1	25.40	-	127.664	209.066	325.610	464.839	3089
37/3.63	1	25.40	-	125.885	205.508	319.827	456.832	3065
37/4.09		28.58	-	160.136	262.000	407.457	581.827	4010
37/4.55	1¼	31.75	-	198.391	324.720	505.318	721.502	4840

BS 183 standard
 

Number of wires/Dia.	Approx. Strand Dia.	Minimum Breaking Load of Strand							Approx.Weight
		Grade 350	Grade 480	Grade 700	Grade850	Grade 1000	Grade 1150	Grade 1300
	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	5.8	7.95	-					130
3/3.25	7	8.7	11.95	-				-	195
3/4.00	8.6	13.2	18.1	-					295
4/1.80	4.4	3.55	4.9	-					80
4/2.65	6.4	7.7	10.6o	-					172
4/3.25	7.9	11.6	15.9	-					260
4/4.00	9.7	17.6	24.1	35.2					390
5/1.50	4.1	3.1	4.24	6.18				-	69
5/1.80	4.9	4.45	6.1	8.9					95
5/2.65	7.2	9.65	13.25	19.3				-	220
5/3.25	8.8	14.5	19.9	29				-	320
5/4.00	10.8	22	30.15	43.95					490
7/O.56	1.7	0.6	0.83	1.2		1.7	1.98	2.24	14
7/0 71	2.1	0.97	1.33	1 94		2.75	3.19	3.6	28
7/0.85	2.6	1.39	1.9	2.8		3.95	4.57	5.15	31
7/0.90	2.7	1.55	2.14	3.1		4.45	5.12	5.8	35
7/l.00	3	1.92	2.64	3.85		5.5	6.32	7.15	43
7/1.25	3.8	3.01	4.1	6		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	84
7/RS*	4.3	3.85	5.28	7.7	9.35	11	12.65	14.3	86
7/1.60	4.5	4.9	6.75	9.85	11.95	14.1	16.2	18.3	110
7/1.80	5.4	6.23	8.55	12.45	-	17.8	20.5	23.2	140
7/2.00	6	7.7	10.55	15.4		22	25.3	28.6	170
7/2.36	7.1	10.7	14.7	21.4		30.6	35.2	39.8	240
7/2.65	8	13.5	18.5	27		38.6	44.4	50.2	300
7/3.00	9	17.3	23.75	34.65		49.5	56.9	64.3	392
7/3.15	9.5	19.1	26.2	38.2		54055	62.75	70.9	430
7/3.25	9.8	20.3	27.85	40.65		58.05	66.8	75.5	460
7/3.65	11	25.6	35.5	51.25		73.25	84.2	95.2	570
7/4.00	12	30.9	42.2	61.6		88	101	114	690
7/4.25	12.8	34.75	47.65	69.5		99.3	114	129	780
7/4.75	14	43.4	59.45	86.8O		124	142.7	161.3	970
19/1.00	5	5.22	7.16	10.45		14.92	17.16	19.4	120
19/1.25	6.3	8.16	11 .19	16.32		23.32	26.81	30.31	180
19/1.40	7	10.24	14.04	20.47		29.25	33.64	38.02	230
19/1.60	8	13.37	18.35	26.75		38.2	43.93	49.66	300
19/2.00	10	20.9	28.65	41.78	50.74	59.69	68.64	77.6	470
19/2.50	12.5	32.65	44.8	65.29	79.28	93.27	107.3	121.3	730
19/3.00	15	47	64.5	94	114.1	134.3	154.5	174.6	1050
19/3.55	17.8	65.8	90.27	131.6	159.9	188	216.3	244.5	1470
19/4.00	20	83.55	114.6	167.1	203	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

IEC 61089 standard
 

Nominal area St	code number	Area/mm2	Number of wires	Diameter/mm		Linear Mass/(kg/km)	Rated strength/kN				Max.D.C Resistance (20ºC)/(Ω/km)
							JGIA	JGIB	JG2A	JG3A
30	4	27.1	7	2.22	6.66	213.3	36.3	33.6	39.3	43.9	7.1445
40	6.3	42.7	7	2.79	8.36	335.9	55.9	51.7	60.2	67.9	4.5362
65	10	67.8	7	3.51	10.53	553.2	87.4	80.7	93.5	103	2.8578
85	12.5	84.7	7	3.93	11.78	666.5	109.3	100.8	116.9	128.8	2.2862
100	16	108.4	7	4.44	13.32	853.1	139.9	129	199.7	164	1.7861
100	16	108.4	19	2.7	13.48	857	142.1	131.2	152.9	172.4	1.7944
150	25	169.4	19	3.37	16.85	1339.1	218.6	201.6	238.9	262.6	1.1484
250	40	271.1	19	4.26	21.31	2141.6	349.7	322.6	374.1	414.1	0.7177
250	40	271.1	37	3.05	21.38	2148.1	349.7	322.6	382.3	420.2	0.7196
400	63	427	37	3.83	26.83	3383.2	550.8	508.1	589.3	649	0.4569