Hot Dip GSW Galvanized Steel Wire Zinc Coated Stay Guy Wire ASTM-A475 BS-183 standardGSW (Galvanized Steel Wire) 1. StandardsASTM A475: Standard Specification for Zinc-Coated Steel Wire Strand
ASTM B 498: Standard Specification for Zinc-Coated (Galvanized) Steel Core Wire for Aluminum Conductors, Steel Reinforced (ACSR)
BS183: Specification for General Purpose Galvanized Steel Wire Strand
BS 50189: Conductors ofr overhead lines-Zinc coated steel wires
IEC 60888: Zinc-coated steel wires for stranded conductors
DIN 48200: Wires for stranded conductors
JIS G 3537: Zinc-coated steel wire strands
AS 1222.1: Steel conductors and stays-Bare overhead
2.Technical Data Hot-Dipped Galvanized steel wire
Diameter:1.24~5.50mm
Zinc Coating:150-400g/m2 ASTM class A. class B.
Tensile Strength:900-1720 mpa.
Intensity Level:General,High,Very High.
Min.No. of 360° twists:10~16.
Construction:1×3,1×7,1×19.
3. ApplicationUsed as overhead ground wire or static wire on transmission lines, as pole or structure guy wires, and as messenger cable, fields and pastures division, animal containment.
4.Galvanized Steel Wire Strand to ASTM A 475 Number of wires/ Nominal dia. | Approx. strand dia. | Utilities grade | Common grade | Siemens- martingrade | High- strength grade | Extra high- strength grade | Approx. weight |
No./mm | Inch | mm | kN | kN | kN | kN | kN | kg |
3/2.64 | 7/32 | 5.56 | - | 6.228 | 10.409 | 15.569 | 21.796 | 131 |
3/3.05 | 1/4 | 6.35 | 14.012 | 8.274 | 13.523 | 21.040 | 29.981 | 174 |
3/3.05 | 1/4 | 6.35 | 20.017 | - | - | - | - | 174 |
3/3.30 | 9/32 | 7.14 | - | 9.252 | 15.035 | 23.398 | 33.362 | 204 |
3/3.68 | 5/16 | 7.94 | 28.913 | 11.076 | 18.193 | 28.246 | 40.479 | 255 |
3/4.19 | 3/8 | 9.52 | 37.810 | 14.813 | 24.732 | 37.187 | 52.489 | 328 |
7/1.04 | 1/8 | 3.18 | - | 2.402 | 4.048 | 5.916 | 8.140 | 48 |
7/1.32 | 5/32 | 3.97 | - | 3.870 | 6.539 | 9.519 | 13.078 | 76 |
7/1.57 | 3/16 | 4.76 | - | 5.115 | 8.452 | 12.677 | 17.748 | 109 |
7/1.65 | 3/16 | 4.76 | 10.676 | | - | - | - | 119 |
7/1.83 | 7/32 | 5.56 | - | 6.850 | 11.387 | 17.126 | 24.020 | 146 |
7/2.03 | 1/4 | 6.35 | - | 8.452 | 14.012 | 21.129 | 29.581 | 180 |
7/2.36 | 9/32 | 7.14 | 20.462 | 11.432 | 18.905 | 28.469 | 39.812 | 244 |
7/2.64 | 5/16 | 7.94 | - | 14.234 | 23.798 | 35.586 | 49.820 | 305 |
7/2.77 | 5/16 | 7.94 | 26.689 | - | - | - | - | 335 |
7/3.05 | 3/8 | 9.52 | 51.155 | 18.905 | 30.915 | 48.040 | 68.503 | 407 |
7/3.68 | 7/16 | 11.11 | 80.068 | 25.355 | 41.591 | 64.499 | 92.523 | 595 |
7/4.19 | 1/2 | 12.70 | 111.206 | 32.917 | 53.823 | 83.627 | 119.657 | 770 |
7/4.78 | 9/16 | 14.29 | - | 42.703 | 69.837 | 108.981 | 155.688 | 1000 |
7/5.26 | 5/8 | 15.88 | - | 51.599 | 84.961 | 131.667 | 188.605 | 1211 |
19/2.54 | 1/2 | 12.70 | - | 33.895 | 56.492 | 84.961 | 118.768 | 751 |
19/2.87 | 9/16 | 12.49 | - | 42.881 | 71.616 | 107.202 | 149.905 | 949 |
19/3.18 | 5/8 | 15.88 | - | 48.930 | 80.513 | 124.995 | 178.819 | 1186 |
19/3.81 | 3/4 | 19.05 | - | 71.172 | 116.543 | 181.487 | 259.331 | 1721 |
19/4.50 | 7/8 | 22.22 | - | 97.416 | 159.691 | 248.211 | 354.523 | 2356 |
19/5.08 | 1 | 25.40 | - | 127.664 | 209.066 | 325.610 | 464.839 | 3089 |
37/3.63 | 1 | 25.40 | - | 125.885 | 205.508 | 319.827 | 456.832 | 3065 |
37/4.09 | | 28.58 | - | 160.136 | 262.000 | 407.457 | 581.827 | 4010 |
37/4.55 | 1¼ | 31.75 | - | 198.391 | 324.720 | 505.318 | 721.502 | 4840 |
BS 183 standard Number of wires/Dia. | Approx. Strand Dia. | Minimum Breaking Load of Strand | Approx.Weight |
Grade 350 | Grade 480 | Grade 700 | Grade850 | Grade 1000 | Grade 1150 | Grade 1300 |
| mm | kN | kN | kN | kN | kN | kN | kN | kg/km |
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 | 10.6o | - | | | | | 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/O.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/l.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/RS* | 4.3 | 3.85 | 5.28 | 7.7 | 9.35 | 11 | 12.65 | 14.3 | 86 |
7/1.60 | 4.5 | 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 | | 54055 | 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 | 35.5 | 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 | 86.8O | | 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 | 161.6 | 235.7 | 286 | 336.7 | 387.2 | 437.7 | 2630 |
IEC 61089 standard Nominal area St | code number | Area/mm2 | Number of wires | Diameter/mm | Linear Mass/(kg/km) | Rated strength/kN | Max.D.C Resistance (20ºC)/(Ω/km) |
| | JGIA | JGIB | JG2A | JG3A |
30 | 4 | 27.1 | 7 | 2.22 | 6.66 | 213.3 | 36.3 | 33.6 | 39.3 | 43.9 | 7.1445 |
40 | 6.3 | 42.7 | 7 | 2.79 | 8.36 | 335.9 | 55.9 | 51.7 | 60.2 | 67.9 | 4.5362 |
65 | 10 | 67.8 | 7 | 3.51 | 10.53 | 553.2 | 87.4 | 80.7 | 93.5 | 103 | 2.8578 |
85 | 12.5 | 84.7 | 7 | 3.93 | 11.78 | 666.5 | 109.3 | 100.8 | 116.9 | 128.8 | 2.2862 |
100 | 16 | 108.4 | 7 | 4.44 | 13.32 | 853.1 | 139.9 | 129 | 199.7 | 164 | 1.7861 |
100 | 16 | 108.4 | 19 | 2.7 | 13.48 | 857 | 142.1 | 131.2 | 152.9 | 172.4 | 1.7944 |
150 | 25 | 169.4 | 19 | 3.37 | 16.85 | 1339.1 | 218.6 | 201.6 | 238.9 | 262.6 | 1.1484 |
250 | 40 | 271.1 | 19 | 4.26 | 21.31 | 2141.6 | 349.7 | 322.6 | 374.1 | 414.1 | 0.7177 |
250 | 40 | 271.1 | 37 | 3.05 | 21.38 | 2148.1 | 349.7 | 322.6 | 382.3 | 420.2 | 0.7196 |
400 | 63 | 427 | 37 | 3.83 | 26.83 | 3383.2 | 550.8 | 508.1 | 589.3 | 649 | 0.4569 |
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