Galvanized Steel Wire GI Wire BS183
Standard : BS 183

Product Application
Galvanized steel wire is suitable for core for ACSR and hanger, suspension and communication cable, over-head power transmission line, fixed object and drift bolt etc.

Product Structure

Galvanized steel wire Dia: 0.6mm-4.78mm
Min Breaking Load: Grade 350-Grade 1300.
Popular Size: GSW 7/14 GSW 7/12 GSW 7/10 SWG

Construction Number of wires/wire diameter	Approximate strand diameter	Minimum breaking load of strand							Approx. mass
		Grade 350	Grade 480	Grade 700	Grade 850	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	5.80	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

Construction Number of wires/wire diameter	Approximate strand diameter	Minimum breaking load of strand							Approx. mass
		Grade 350	Grade 480	Grade 700	Grade 850	Grade 1000	Grade 1150	Grade 1300
	mm	kN	kN	kN	kN	kN	kN	kN	kg/km
7/0.56	1.7	0.60	0.83	1.20	-	1.70	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
7/1.60	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	38.60	170
7/2.36	7.1	10.70	14.70	21.40	-	30.60	3520	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	114.0	690
7/4.25	12.8	34.75	47.65	69.50	-	99.30	114.0	129.0	780
7/4.75	14.0	43.40	59.45	86,80	-	124.0	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	18.34	26.75	-	38.20	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	286.0	336.7	387.2	437.7	2630

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Galvanized steel wire is commonly used in transmission lines for various applications. It provides several benefits due to its unique properties and characteristics. Here's some information about galvanized steel wire used in transmission lines:

Galvanized Coating: Galvanized steel wire is coated with a layer of zinc to protect it from corrosion. The galvanization process involves immersing the steel wire in molten zinc, creating a durable and corrosion-resistant coating. This coating helps to extend the lifespan of the wire and protect it from environmental factors such as moisture and salt.

Strength and Durability: Galvanized steel wire is known for its high tensile strength, making it suitable for the heavy loads and tensions experienced in transmission lines. It provides structural stability and can withstand the mechanical stresses and tensions during installation and operation.

Electrical Conductivity: While steel is not as conductive as copper or aluminum, galvanized steel wire still offers acceptable electrical conductivity for certain transmission line applications. The steel core is typically used for strength and support, while the electrical conductivity is primarily provided by the conductors such as aluminum or copper.