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Conducting The Energy - Xinfeng Cable
Galvanized Steel Wire(GSW)/Galvanized Steel Strand
GSW Zinc-Coated Steel Conductor Overhead used
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.
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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
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.
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.
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.