hot dip galvanized wire messenger wire galvanized steel cable stay wire
GSW (Galvanized Steel Wire)
1. Standards
ASTM 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. Application
Used 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.Standard ASTM A 475
BS 183 standard
IEC 61089 standard
GSW (Galvanized Steel Wire)
1. Standards
ASTM 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. Application
Used 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.Standard 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 |