Applications
The galvanized steel wire strand is used for overhead ground lines or electrical power transmission lines. Stay wire or guy wire strands are produced for use with poles, towers, or any other form of guying.
Grades
Utilities, Common, Siemens-Martin, High Strength and Extra High Strength. S1A or S1B; S2A or S2B; S3A or S3A.
Finish Coatings
Class A, B and C D E and Bezinal, a superior corrosive coating of 5% Aluminum and 95% Zinc.
Specifications
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
ASTM A475
ASTM B957
Grade 4 Extra-High-Strength Tensile Requirements (Metric)
Grade 5 Ultra-High-Strength Tensile Requirements (Metric)
The galvanized steel wire strand is used for overhead ground lines or electrical power transmission lines. Stay wire or guy wire strands are produced for use with poles, towers, or any other form of guying.
Grades
Utilities, Common, Siemens-Martin, High Strength and Extra High Strength. S1A or S1B; S2A or S2B; S3A or S3A.
Finish Coatings
Class A, B and C D E and Bezinal, a superior corrosive coating of 5% Aluminum and 95% Zinc.
Specifications
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
| BS 183 | |||||||||
| Number of wires/Dia. | Approx.Strand Dia. | Minimum Breaking Load of Strand | Approx. Weight | ||||||
| Grade 350 | Grade 480 | Grade 700 | Grade 850 | 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 | 10.6 | - | - | - | - | - | 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 |
| Number of Wires/Dia. | Approx.Strand Dia. | Siemem Martin Grade | High Strength Grade | Extra-high Strength Grade | Approx.Weight | |
| Inch | mm | KN | KN | KN | kg/km | |
| 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 |
Grade 4 Extra-High-Strength Tensile Requirements (Metric)
| Specified Diameter, mm | Stress at 1% | Ultimate Tensile Strength, | Elongation in 250 mm, min % |
| Extension, | |||
| min, MPa | min, MPa | ||
| 1.27 to 2.28, incl | 1550 | 1825 | 3 |
| 2.29 to 3.04, incl | 1515 | 1790 | 3 |
| 3.05 to 3.55, incl | 1480 | 1760 | 3.5 |
| 3.56 to 4.82, incl | 1450 | 1725 | 3.5 |
| Specified Diameter, mm | Stress at 1% | Ultimate Tensile Strength, | Elongation in 250 mm, min % |
| Extension, | |||
| min, MPa | min, MPa | ||
| 1.27 to 2.28, incl | 1580 | 1965 | 3 |
| 2.29 to 3.04, incl | 1550 | 1900 | 3 |
| 3.05 to 3.55, incl | 1515 | 1860 | 3.5 |
| 3.56 to 4.82, incl | 1480 | 1825 | 3.5 |
