Galvanized Steel Wire(GSW)/Galvanized Steel Strand
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Galvanized Steel Wire(GSW)/Galvanized Steel Strand

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Galvanized Steel Wire (GSW)/Galvanized Steel Strand

GSW Zinc-Coated Steel Conductor Overhead used

Galvanized Steel Guy Wire Application

The galvanized steel wire strand is used for overhead ground lines or electrical power transmission lines. Stay or guy wire strands are produced for use with poles, towers, or any other form of guying.Galvanized steel wire strand in multi-core electrical cables. Its low cost and ease of production makes galvanized steel wire ideal for mass produced corrosion resistant wire products. It is an indispensable industrial, agricultural, and DIY fastening and reinforcement standard.

Galvanized Steel Guy Wire Standards

Including but not limited to:

  • ASTM A-363 Zinc-Coated (Galvanized) Steel Overhead Ground Wire Strand
  • ASTM A-475 Zinc-Coated Steel Wire Strand
  • ASTM A-925 -5 % Aluminum-Mischmetal Alloy-Coated Steel Overhead Ground Wire Strand
  • ASTM A-855 Zinc-5 % Aluminum-Mischmetal Alloy-Coated Steel Wire Strand
  • ASTM A-640 Zinc-Coated Steel Strand for Messenger Support of Figure 8 Cable
  • ASTM B-498 Zinc-Coated (Galvanized) Steel Core Wire for Aluminum Conductors
  • ASTM B957 Extra-Ultra-Hight strength Zinc-Coated (Galvanized) Steel Core Wire for Aluminum Conductors
  • BS EN50189 Zinc coated steel wires-Conductor for overhead line
  • IEC 61089 Zinc coated steel wires-Conductor for overhead line
  • BS 183-1972 SPECIFICATION FOR GENERAL PURPOSE GALVANIZED STEEL WIRE STRAND
Galvanized Steel Guy Wire Construction

Concentrically stranded Galvanized steel wire strand available in class “A”, “B” and “C” galvanizing, “A” being the least heavy and “C” being the most heavy. Manufactured without welds per ASTM A-363 or with welds per ASTM A-475. Strands are formed to remain substantially in place when severed.

Galvanized Steel Guy Wire Characteristics

Zinc-coated grade of steel strand wire /guy wire
Class A, B and C and Bezinal, a superior corrosive coating of 5% Aluminum and 95% Zinc.

Galvanized Steel Wire(GSW)/Galvanized Steel Strand Specifications
Galvanized Steel Wire ASTM-A475 Standard
Number of Wires/Dia. Approx.Strand Dia. Siemem Martin Grade
KN		 High Strength Grade
KN		 Extra-high Strength Grade
KN		 Approx.Weight
kg/km
Inch mm
3/2.64 7/32 5.56 10.409 15.569 21.796 131
3/3.05 1/4 6.35 13.523 21.04 29.981 174
3/3.05 1/4 6.35 — — — 174
3/3.30 9/32 7.14 15.035 23.398 33.362 204
3/3.68 5/16 7.94 18.193 28.246 40.479 256
3/4.19 3/8 9.52 24.732 37.187 52.489 328
7/1.04 1/8 3.18 4.048 5.916 8.18 49
7/1.32 5/32 3.97 6.539 9.519 13.078 76
7/1.57 3/16 4.76 8.452 12.677 17.748 108
7/1.65 3/16 4.76 — — — 118
7/1.83 3/16 5.56 11.387 17.126 24.02 145
7/2.03 7/32 6.35 14.012 21.129 29.581 181
7/2.36 1/4 7.14 18.905 28.469 39.812 243
7/2.64 9/32 7.94 23.798 35.586 49.82 305
7/2.77 5/16 7.94 — — — 335
7/3.05 3/8 9.52 30.915 48.04 68.503 407
7/3.68 7/16 11.11 41.591 64.499 92.523 594
7/4.19 1/2 12.7 53.823 83.627 119.657 768
7/4.78 9/16 14.29 69.837 108.981 155.688 991
7/5.26 5/8 15.88 84.961 131.667 188.605 1211
19/2.54 1/2 12.7 56.492 84.961 118.768 751
19/2.87 9/16 12.49 71.616 107.202 149.905 948
19/3.18 5/8 15.88 80.513 124.995 178.819 1184
19/3.81 3/4 19.05 116.543 181.487 259.331 1719
19/4.50 7/8 22.22 159.691 248.211 354.523 2352
19/5.08 1/1 25.4 209.066 325.61 464.839 2384
37/3.63 1/1 25.4 205.508 319.827 456.832 3061
37/4.09 11/8 28.58 262 407.457 581.827 4006
37/4.55 11/4 31.75 324.72 505.318 721.502 4833
Galvanized Steel Wire Strand BS 183 :1972 Standard
Number of Wires/Dia. Approx. Conductor Dia.
mm		 Minimum Breaking Load of Conductor Approx. Weight
kg/km
Grade 350
kN		 Grade 480
kN		 Grade 700
kN		 Grade 850
kN		 Grade 1000
kN		 Grade 1150
kN		 Grade 1300
kN
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 10.6 – – – – – 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
7/0.56 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
7/1.00 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
7/1.60 4.8 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 – 54.55 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 35.15 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 86.8 – 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 23.8 117.85 161.4 235.7 286 336.7 387.2 437.7 2630

Galvanized steel wire strand refers to any steel wire product that has subjected to a galvanizing process to improve its resistance to corrosion.

This process typically involves dipping the finished wire product into a bath of heated zinc compound to form a scratch and corrosion resistant coating across the entire surface of the wire.

GSW Cable-Galvanized Steel Wire Cable GOST 3063
Sectional Area Stranding                                                    Center wire                  Inside Layer Diameter of  EARTHWIRE Weight Rated Strength
1370 1570 1670 1770 1880 1960
mm² 1 wire 18 wire mm Kg/km KN KN KN KN KN KN
29.48 1.50 1.4 7.10 253.00 36.35 41.55 44.100 45.850 48.000 50.500
33.82 1.60 1.5 7.60 290.50 41.65 47.65 50.550 52.750 55.050 60.400
38.46 1.70 1.6 8.10 330.00 44.40 54.20 57.600 59.950 62.600 65.900
43.4 1.80 1.7 8.60 372.50 53.55 61.20 65.000 67.700 70.650 74.400
48.64 1.90 1.8 9.10 417.50 59.95 68.60 72.850 75.900 79.200 83.300
60.35 2.20 2 10.00 519.00 74.45 85.10 94.100 93.500 98.000 102.400
72.95 2.40 2.2 11.00 627.40 89.95 102.00 109.000 112.500 118.500 123.500
86.74 2.60 2.4 12.00 746.00 106.00 122.00 129.000 134.000 140.500 147.000
101.72 2.80 2.6 13.00 873.00 124.50 143.00 151.500 158.000 165.000 173.500
117.9 3.00 2.8 14.00 1050.00 145.50 166.00 176.000 183.500 190.000 200.500
135.28 3.20 3 15.00 1160.00 166.50 190.00 202.000 210.500 220.000 231.500
153.84 3.40 3.2 16.00 1320.00 189.50 216.50 226.000 236.500 – –
173.60 3.60 3.4 17.00 1490.00 214.00 244.50 255.500 267.500 – –
216.7 4.00 3.8 19.00 1855.00 267.00 305.00 318.500 334.000 – –
GSW Cable-Galvanized Steel Wire Cable DIN 48201
Nominal  Area Sectional Area Stranding Diameter of  EARTHWIRE Weight Rated Strength
No. of Wires Individual wire diameter ST I ST II ST III ST IV
mm² mm² No. mm mm Kg/km KN KN KN KN
25 24.25 7 2.10 6.30 192.00 8.98 15.90 30.18 36.17
35 34.36 7 2.50 7.50 272.00 12.73 22.52 42.76 51.25
50 49.48 7 3.00 9.00 391.00 18.33 32.43 61.58 73.80
50 48.35 19 1.80 9.00 384.00 17.91 31.69 60.17 72.11
70 65.81 19 2.10 10.50 522.00 24.38 43.14 81.90 98.16
95 93.27 19 2.50 12.50 741.00 34.56 61.14 116.07 139.11
120 116.99 19 2.80 14.00 929.00 43.34 76.69 145.59 174.49
GSW Cable-Galvanized Steel Wire Cable IS 12776
Sectional Area Stranding Diameter of  EARTHWIRE  Weight Rated Strength
No. of Wires Individual wire diameter Grade 981 Grade 1100 Grade 1310
mm² No. mm mm Kg/km KN KN KN
49.48 7 3.00 9.00 386.00 43.70 49.00 58.30
54.55 7 3.15 9.45 426.00 48.20 54.00 64.30
58.07 7 3.25 9.75 454.00 51.30 57.50 68.50
60.96 7 3.33 9.99 476.00 53.80 60.40 71.90
73.65 7 3.66 10.98 575.00 65.00 72.90 86.80
87.96 7 4.00 12.00 687.00 77.70 87.10 104.00
GSW Cable-Galvanized Steel Wire Cable IS 2141
Sectional Area Stranding Diameter of EARTHWIRE Weight Rated Strength
No. of Wires Individual wire diameter Grade 1770 Grade 1570 Grade 1100 Grade 700 ‘Grade 450
mm² No. mm mm Kg/km KN KN KN KN KN
23.38 3 3.15 6.79 – 40.10 35.60 24.90 15.90 10.20
31.17 4 3.15 7.60 – 52.40 46.50 32.60 20.70 13.30
2.01 4 0.80 2.40 – 5.50 4.90 3.40 2.20 1.40
4.91 4 1.25 3.75 – 13.50 12.00 8.40 5.40 3.40
3.14 4 1.00 4.80 – 22.20 19.70 13.80 8.80 5.60
12.57 4 2.00 6.00 – 34.70 30.80 21.60 13.70 8.80
27.59 7 2.24 6.72 – 43.50 38.60 27.00 17.20 11.10
34.36 7 2.50 7.50 – 54.20 48.10 33.70 21.40 13.80
54.55 7 3.15 9.45 – 86.00 76.30 53.50 34.00 21.90
87.96 7 4.00 12.00 – 139.00 123.00 86.20 54.90 35.30
3.52 7 0.80 4.00 – 14.90 13.20 9.20 5.90 3.80
8.59 7 1.25 6.25 – 36.30 32.20 22.60 14.40 9.20
14.07 7 1.60 8.00 – 59.50 52.80 37.00 23.50 15.10
59.69 19 2.00 10.00 – 93.00 82.50 57.80 36.80 23.60
74.88 19 2.24 11.20 – 117.00 103.00 72.50 46.10 29.70
93.27 19 2.50 12.50 – 145.00 129.00 90.30 57.50 36.90
238.76 19 4.00 20.00 – 372.00 330.00 231.00 147.00 94.60
9.55 19 0.80 5.60 – 28.80 25.50 17.90 11.40 7.30
23.32 19 1.25 8.75 – 70.30 62.30 43.70 27.80 17.90
38.20 19 1.60 11.20 – 115.00 102.00 71.50 45.50 29.30
116.24 37 2.00 14.00 – 180.00 160.00 112.00 71.10 45.70
145.81 37 2.24 15.68 – 226.00 200.00 140.00 89.20 57.40
181.62 37 2.50 17.50 – 281.00 249.00 175.00 111.00 71.40
288.35 37 3.15 22.05 – 446.00 396.00 277.00 176.00 113.00
464.96 37 4.00 28.00 – 719.00 638.00 447.00 284.00 183.00

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Uni Cable Group is a trusted supplier of overhead line products, power cables and cable manufacturing materials based in China. Backed by experienced manufacturing resources and a professional export team, we serve utilities, EPC contractors, distributors and cable manufacturers worldwide with reliable supply, technical support and OEM solutions.

Always a pre-production sample before mass production; Always have strict control of the quality from the raw material to finished products according to ISO9001 QC system before shipment.

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