Applications
Used as overhead ground wire or static wire on transmission lines, as pole or structure guy wires, and as messenger cable for field-erected aerial cable.
Specifications
SURAL steel strand meets or exceeds the following ASTM specifications:
A-363 Zinc-Coated (Galvanized) Steel Overhead Ground Wire Strand
A-475 Zinc-Coated Steel Wire Strand
Construction
Concentrically stranded galvanized steel strand. Available in classes "A", "B" and "C" galvanizing, "A" being the least heavy and "C" being the most heavy. Available in five grades of strength: common, Siemens-Martin, high-strength, utilities, and extra-high-strength. 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 Wire Strand
BS183
| No. of Wires/Dia. | Approx. Strand Dia. | Min. 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 | |
| 7/0.56 | 1.7 | 0.60 | 0.83 | 1.20 | - | 1.70 | 1.98 | 2.24 | 14 |
| 7/0.71 | 2.1 | 0.97 | 1.33 | 1.94 | - | 2.75 | 3.19 | 3.60 | 28 |
| 7/0.85 | 2.6 | 1.39 | 1.90 | 2.80 | - | 3.95 | 4.57 | 5.15 | 31 |
| 7/0.90 | 2.7 | 1.55 | 2.14 | 3.1 | - | 4.45 | 5.12 | 5.80 | 35 |
| 7/1.00 | 3.0 | 1.92 | 2.64 | 3.85 | - | 5.50 | 6.32 | 7.15 | 43 |
| 7/1.25 | 3.8 | 3.01 | 4.10 | 6.00 | - | 8.55 | 9.88 | 11.15 | 67 |
| 7/1.40 | 4.2 | 3.75 | 5.17 | 7.54 | 9.16 | 10.75 | 12.35 | 14.00 | 84 |
| 7/1.60 | 4.8 | 4.90 | 6.75 | 9.85 | 11.95 | 14.10 | 16.20 | 18.30 | 110 |
| 7/1.80 | 5.4 | 6.23 | 8.55 | 12.45 | - | 17.80 | 20.50 | 23.20 | 140 |
| 7/2.00 | 6.0 | 7.70 | 10.55 | 15.40 | - | 22.00 | 25.30 | 28.60 | 170 |
| 7/2.36 | 7.1 | 10.70 | 14.70 | 21.40 | - | 30.60 | 35.20 | 39.80 | 240 |
| 7/2.65 | 8.0 | 13.50 | 18.50 | 27.00 | - | 38.60 | 44.40 | 50.20 | 300 |
| 7/3.00 | 9.0 | 17.30 | 23.75 | 34.65 | - | 49.50 | 56.90 | 64.30 | 392 |
| 7/3.15 | 9.5 | 19.10 | 26.20 | 38.20 | - | 54.55 | 62.75 | 70.90 | 430 |
| 7/3.25 | 9.8 | 20.30 | 27.85 | 40.65 | - | 58.05 | 66.80 | 75.50 | 460 |
| 7/3.65 | 11.0 | 25.60 | 35.15 | 51.25 | - | 73.25 | 84.20 | 95.20 | 570 |
| 7/4.00 | 12.0 | 30.90 | 42.20 | 61.60 | - | 88.00 | 101.0 | 114.00 | 690 |
| 7/4.25 | 12.8 | 34.75 | 47.65 | 69.50 | - | 99.30 | 114.0 | 129.00 | 780 |
| 7/4.75 | 14.0 | 43.40 | 59.45 | 86.80 | - | 124.0 | 142.7 | 161.3 | 970 |
