Hard copper stranded wire
Hard copper stranded wire
Application: catenary, catenary, feeder, hard copper stranded wire of electrified railway.
Technical parameters of executive standard TB / T 3111-2005
Technical parameters of executive standard TB / T 3111-2005
Type | CSA mm2 | external diameter mm | Structure | Monofilament diameter mm | Monofilament | Strand (calculated value) | |||||
Nominal | Calculation | Tensile strength MPa not less than | Elongation% not less than | Breaking force kn Not less than | 20℃DC resistance Not less thanΩ/km | Unit mass kg/km | |||||
Before stranding | After stranding | ||||||||||
JT | 16 | 5.1 | 1×7 | 1.70 | 1.14 | 143 | |||||
JT | 25 | 6.36 | 1×7 | 2.12 | 0.733 | 222 | |||||
JT | 35 | 7.50 | 1×7 | 2.50 | 0.527 | 309 | |||||
JT | 50 | 9.00 | 1×7 | 3.00 | 0.366 | 445 | |||||
JT | 70 | 65.81 | 10.5 | 1×19 | 2.10 | 439 | 417 | 0.7 | 27.45 | 0.275 | 599 |
JT | 95 | 93.27 | 12.5 | 1×19 | 2.50 | 435 | 413 | 0.8 | 38.54 | 0.194 | 849 |
JT | 120 | 116.99 | 14 | 1×19 | 2.80 | 432 | 410 | 0.9 | 48.01 | 0.155 | 1065 |
JT | 150 | 148.07 | 15.8 | 1×19 | 3.15 | 428 | 407 | 1.0 | 60.21 | 0.122 | 1347 |
JT | 150 | 147.11 | 15.8 | 1×37 | 2.25 | 438 | 416 | 0.8 | 61.21 | 0.123 | 1342 |
JT | 185 | 17.5 | 1×37 | 2.50 | 0.0995 | 1650 | |||||
JT | 240 | 19.95 | 1×37 | 2.85 | 0.0766 | 2145 | |||||
JT | 300 | 22.05 | 1×37 | 3.15 | 0.0627 | 2620 | |||||
JT | 400 | 19.95 | 1×61 | 2.85 | 0.0465 | 3510 | |||||
