Galvanized Steel Messenger Guy Wire Produced by ASTM a 475

• Function: Construcion
• Payment: Tt/LC
• Product: Galvanized Iron Wire Steel
• Surface Treatment: Hot Dipped Galvanized
• Transport Package: Wooden Package
• Specification: 1.0mm
• Model NO.: GS-210323-10
• Trademark: Sunstay
• Origin: China
• HS Code: 7312100000
• Production Capacity: 5000 Ton

Product Description

 

Galvanized Steel  Wire Strands for messenger wire

1. Application: In order for the power cable being transmitted with overhead line, messenger wire will minimize any tension over the power cable by hanging over the line between the utility poles.
2. Specification

Grade	1	2(a)	2(b)	3(a)	3(b)
Construction	3 wire strands	7 wire strands		19 wire strands
Construction Symbole	1x3	1x7(a)	1x7(b)	1x19(a)	2x19(b)

Classification of steel strands based on standard tensile strength, from 1 through 3.

Grade	1	2	3
Tensile Strength of Wire N/mm2	1230	880	690

Classification of steel strands based on coating amount of zinc.

Grade	Extra A	A	B
Amount of Zinc-Coating	Extra thick coating	Thick coating	Thin coating

Nominal Diameter of Wire and Diameter Tolerance of wire composing strands

Nominal Diameter (mm)	Diameter Tolerance (mm)	min. Breaking Loads(kN)			Elongation(%)			Torsion
		1	2	3	1	2	3	1	2
1.00	±0.05	0.961	0.696	0.539	2.0	2.0	2.0	18	14
1.20	±0.05	1.38	1.00	0.775	2.0	2.0	2.0	18	14
1.40	±0.05	1.88	1.36	1.06	2.0	2.0	2.0	18	14
1.60	±0.05	2.46	1.78	1.38	2.0	2.0	2.0	18	14
1.80	±0.06	3.12	2.25	1.75	3.0	3.0	3.0	16	12
2.00	±0.06	3.85	2.78	2.16	3.0	4.0	4.0	16	12
2.30	±0.06	5.09	3.67	2.85	3.0	4.0	4.0	16	12
2.6	±0.08	6.51	4.69	3.65	3.0	4.0	4.0	16	12
2.90	±0.08	8.10	5.83	4.53	3.0	4.0	4.0	14	10
3.20	±0.08	9.90	7.10	5.52	4.0	5.0	5.0	14	10
3.50	±0.10	11.8	8.49	6.60	4.0	5.0	5.0	14	10
3.80	±0.10	13.9	10.0	7.79	4.0	5.0	5.0	14	10
4.00	±0.10	15.4	11.1	8.63	4.0	5.0	5.0	14	10
4.30	±0.10	17.8	12.8	10.0	4.0	5.0	5.0	12	10
4.50	±0.10	19.5	14.0	10.9	4.0	5.0	5.0	12	10
5.00	±0.10	24.0	17.4	13.4	4.0	5.0	5.0	12	10

Pitch of outer lay

Grade	Pitch of outer lay
1	Nominal Diameter of wire 30 ± 5 times
2	Nominal Diameter of wire 40 ± 5 times
3	Nominal Diameter of wire 70 ± 10 times

Breaking Load for Steel Strands

Grade	Number of  Wire/Nominal Diameter (Wire/mm)	Calculated Diameter of Strands(mm)	Calculated Cross Section Area of Strands  (mm²)	min. Breaking Loads of Steel Strands (kN)			Nominal Mass (kg/km)
				1	2	3
1	3/2.90	6.2	19.8	22.4	16.1	12.6	156
	3/3.20	6.9	24.1	27.4	19.6	15.2	190
	3/3.50	7.5	28.9	32.5	23.4	18.2	228
	3/4.00	8.6	37.7	42.5	30.6	23.8	297
	3/4.30	9.3	43.6	49.2	35.5	27.7	344
	3/4.50	9.7	47.7	53.8	38.7	30.0	376
2	7/1.00	3.0	5.50	6.19	4.48	3.47	43.5
	7/1.20	3.6	7.92	8.90	6.44	4.99	62.7
	7/1.40	4.2	10.8	12.2	8.78	6.83	85.3
	7/1.60	4.8	14.1	15.9	11.5	8.90	111
	7/1.80	5.4	17.8	20.1	14.4	11.3	141
	7/2.00	6.0	22.0	24.8	17.8	13.9	174
	7/2.30	6.9	29.1	32.8	23.6	18.3	230
	7/2.60	7.8	37.2	42.0	30.2	23.5	294
	7/2.90	8.7	46.2	52.2	37.6	29.2	366
	7/3.20	9.6	56.3	63.7	45.7	35.6	446
	7/3.50	10.5	67.3	75.8	54.7	42.5	533
	7/3.80	11.4	79.3	89.6	64.4	50.1	628
	7/4.00	12.0	88.0	99.1	71.4	55.6	696
	7/4.30	12.9	102	115	82.8	64.4	805
	7/4.50	13.5	111	126	90.3	70.1	881
	7/5.00	15.0	137	155	112	86.5	1090
	19/1.60	8.0	38.2	42.1	30.4	23.6	304
3	19/1.80	9.0	48.3	53.3	38.4	29.8	384
	19/2.00	10.0	59.7	65.9	47.5	36.9	474
	19/1.60	8.0	38.2	42.1	30.4	23.6	304
	19/1.80	9.0	48.3	53.3	38.4	29.8	384
	19/2.00	10.0	59.7	65.9	47.5	36.9	474
	19/2.30	11.5	78.9	87.0	62.8	48.8	627
	19/2.60	13.0	102	112	80.1	62.4	802
	19/2.90	14.5	125	138	100	77.5	997
	19/3.20	16.0	153	170	122	94.4	1210
	19/3.50	17.5	183	201	145	113	1450
	19/4.00	20.0	239	263	189	147	1900

We are fully in accordance with the ISO9000 quality control process for our products to ensure that our raw materials, semi-finished and finished products are in line with the customer's quality requirements. For some customers special requirements on product quality, we will pay more attention, we strive to make each batch of our product are fully qualified.
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