Messenger Wire/ Overhead Ground or Static Wire/Guy Wire

Application:
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.

Construction:
The single wires are concentrically stranded and wrapped helically around a central wire.Concentrically stranded galvanized steel strand. Available in classes "A", "B" and "C" galvanizing, "A" being the least heavy and "C" being the most heavy. Available in five grades of strength: common, Siemens-Martin, high-strength, utilities, and extra-high-strength. Manufactured without welds per ASTM A-363 or with welds per ASTM A-475. Strands are formed to remain substantially in place when severed.

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No./Dia. of Wires	Approx. Stranded Dia.	Siemem Martin Grade	High Strength Grade	Extra-high Strength Grade	Approx. Weight	No./Dia. of Wires	Approx. Stranded Dia.	Siemem Martin Grade	High Strength Grade	Extra-high Strength Grade	Approx. Weight
No./mm	mm	kN	kN	kN	kg/km	No./mm	mm	kN	kN	kN	kg/km
3/2.64	5.56	10.409	15.569	21.796	131	7/3.05	9.52	30.915	48.04	68.503	407
3/3.05	6.35	13.523	21.04	29.981	174	7/3.68	11.11	41.591	64.499	92.523	594
3/3.05	6.35	-	-	-	174	7/4.19	12.7	53.823	83.627	119.657	768
3/3.30	7.14	15.035	23.398	33.362	204	7/4.78	14.29	69.837	108.981	155.688	991
3/3.68	7.94	18.193	28.246	40.479	256	7/5.26	15.88	84.961	131.667	188.605	1211
3/4.19	9.52	24.732	37.187	52.489	328	19/2.54	12.7	56.492	84.961	118.768	751
7/1.04	3.18	4.048	5.916	8.14	49	19/2.87	12.49	71.616	107.202	149.905	948
7/1.32	3.97	6.539	9.519	13.078	76	19/3.18	15.88	80.513	124.995	178.819	1184
7/1.57	4.76	8.452	12.677	17.748	108	19/3.81	19.05	116.543	181.487	259.331	1719
7/1.65	4.76	-	-	-	118	19/4.50	22.22	159.691	248.211	354.523	2352
7/1.83	5.56	11.387	17.126	24.02	145	19/5.08	25.4	209.066	325.61	464.839	2384
7/2.03	6.35	14.012	21.129	29.581	181	37/3.63	25.4	205.508	319.827	456.832	3061
7/2.36	7.14	18.905	28.469	39.812	243	37/4.09	28.58	262	407.457	581.827	4006
7/2.64	7.94	23.798	35.586	49.82	305	37/4.55	31.75	324.72	505.318	721.502	4833

No./Dia. of Wires	Approx. Stranded Dia.	Minimum Break Load of Stranding Wires							Approx Weight	No./Dia. of Wires	Approx. Stranded Dia.	Minimum Break Load of Stranding Wires							Approx. Weight
		Grade 350	Grade 480	Grade 700	Grade 850	Grade 1000	Grade 1150	Grade 1300				Grade 350	Grade 480	Grade 700	Grade 850	Grade 1000	Grade 1150	Grade 1300
No./mm	mm	kN	kN	kN	kN	kN	kN	kN	kg/km	No./mm	mm	kN	kN	kN	kN	kN	kN	kN	kg/km
3/1.80	3.9	2.65	3.66	-	-	-	-	-	60	7/2.00	6.0	7.70	10.55	15.40	-	22.00	25.30	28.60	170
3/2.65	5.7	5.80	7.95	-	-	-	-	-	130	7/2.36	7.1	10.70	14.70	21.40	-	30.60	35.20	39.80	240
3/3.25	7.0	8.70	11.95	-	-	-	-	-	195	7/2.65	8.0	13.50	18.50	27.00	-	38.60	44.40	50.20	300
3/4.00	8.6	13.20	18.10	-	-	-	-	-	295	7/3.00	9.0	17.30	23.75	34.65	-	49.50	56.90	64.30	392
4/1.80	4.4	3.55	4.90	-	-	-	-	-	80	7/3.15	9.5	19.10	26.20	38.20	-	54.55	62.75	70.90	430
4/2.65	6.4	7.70	10.60	-	-	-	-	-	172	7/3.25	9.8	20.30	27.85	40.65	-	58.05	66.80	75.50	460
4/3.25	7.9	11.60	15.90	-	-	-	-	-	260	7/3.65	11.0	25.60	35.15	51.25	-	73.25	84.20	95.20	570
4/4.00	9.7	17.60	24.10	35.20	-	-	-	-	390	7/4.00	12.0	30.90	42.20	61.60	-	88.00	101.0	114.0	690
5/1.50	4.1	3.10	4.24	6.18	-	-	-	-	69	7/4.25	12.8	34.75	47.65	69.50	-	99.30	114.0	129.0	780
5/1.80	4.9	4.45	6.10	8.90	-	-	-	-	95	7/4.75	14.0	43.40	59.45	86.80	-	124.0	142.7	161.3	970
5/2.65	7.2	9.65	13.25	19.30	-	-	-	-	220	19/1.0	5.0	5.22	7.16	10.45	-	14.92	17.16	19.40	120
5/3.25	8.8	14.50	19.90	29.00	-	-	-	-	320	19/1.25	6.3	8.16	11.19	16.32	-	23.32	26.81	30.31	180
5/4.00	10.8	22.00	30.15	43.95	-	-	-	-	490	19/1.40	7.0	10.24	14.04	20.47	-	29.25	33.64	38.02	230
7/0.56	1.7	0.60	0.83	1.20	-	1.70	1.98	2.24	14	19/1.6	8.0	13.37	18.35	26.75	-	38.20	43.93	49.66	300
7/0.71	2.1	0.97	1.33	1.94	-	2.75	3.19	3.60	28	19/2.0	10.0	20.90	28.65	41.78	50.74	59.69	68.64	77.60	470
7/0.85	2.6	1.39	1.90	2.80	-	3.95	4.57	5.15	31	19/2.5	12.5	32.65	44.80	65.29	79.28	93.27	107.3	121.3	730
7/0.90	2.7	1.55	2.14	3.10	-	4.45	5.12	5.80	35	19/3.0	15.0	47.00	64.50	94.00	114.1	134.3	154.5	174.6	1050
7/1.00	3.0	1.92	2.64	3.85	-	5.50	6.32	7.15	43	19/3.55	17.8	65.80	90.27	131.6	159.9	188.0	216.3	244.5	1470
7/1.25	3.8	3.01	4.10	6.00	-	8.55	9.88	11.15	67	19/4.0	20.0	83.55	114.6	167.1	203.0	238.7	274.6	310.4	1870
7/1.40	4.2	3.75	5.17	7.54	9.16	10.75	12.35	14.00	84	19/4.75	23.8	117.85	161.6	235.7	286.0	336.7	387.2	437.7	2630
7RS*	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