Galvanized Stay Wire Export to Nigeria

• Customization: Available
• Certification: ISO
• Surface: Smooth
• Model NO.: 7x3.25mm
• Technique: Galvanized
• Application: Rope, Packaging, Netting, Manufacturing, Fencing, Construction
• Alloy or Not: Non-alloy
• Standard: BS, JIS, GB, ASTM, DIN, AISI
• Transport Package: Standard Export Packing in Coil or on Reel
• Specification: 1.0-4.8mm
• Trademark: suntay
• Origin: Jiangsu, China
• HS Code: 731210
• Production Capacity: 2000000tons/Year

Product Description

Galvanized Steel 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.

1. Specification

Grade	1	2(a)	2(b)	3(a)	3(b)
Cross Section View
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.

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