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Technical standards You are here: Home > Main business > Technical standards
Aluminium-coated steel stranded wire TB/T2938-1998/Aluminum stranded wire with aluminium-coated steel core TB/T2937-1998...
Aluminium-coated steel stranded wire TB/T2938-1998
| Model | LBGJ70(19) | LBGJ90(19) | LBGJ50(7) | LBGJ70(7) | LBGJ90(7) |
| Number of single wires/Diameter(mm) | 19/2.05 | 19/2.41 | 7/2.89 | 7/3.45 | 7/3.97 |
| OD(mm) | 10.25 | 12.05 | 8.67 | 10.35 | 11.91 |
| Calculated breaking force(KN) | 75.62 | 104.72 | 55.38 | 77.17 | 94.37 |
| Modulus of elasticity(mpa) | 154519 | 153519 | 154218 | 153987 | 153527 |
| Linear expansion coefficient(/℃) | 12.64×10-6 | 12.64×10-6 | 12.64×10-6 | 12.64×10-6 | 12.64×10-6 |
| DC resistance at 20 ºC(Ω/km) | 1.393 | 1.006 | 1.893 | 1.326 | 1.003 |
| Current-carrying capacity(A) | 150 | 180 | 120 | 155 | 178 |
| Allowable upper current-carrying capacity limit within 20 minutes(A) | 159 | 191 | 127 | 159 | 189 |
| Operating temperature(℃) | 100 | 100 | 100 | 100 | 100 |
| Weight per kilometer(kg/km) | 419.06 | 579.16 | 305.6 | 435.54 | 576.73 |
Aluminum stranded wire with aluminium-coated steel core
TB/T2937-1998
| Model | LBGLJ 70/10 (6/1) |
LBGLJ 95/15 (28/3) |
LBGLJ 120/20 (28/3) |
LBGLJ 120/35 (8/7) |
LBGLJ 150/8 (18/1) |
LBGLJ 150/20 (26/3) |
LBGLJ 185/10 (18/1) |
LBGLJ 185/25 (24/7) |
LBGLJ 210/25 (24/7) |
LBGLJ 240/30 (24/7) |
|
| Number of single wires /Diameter(mm) |
Aluminum | 6/3.8 | 28/2.06 | 28/2.29 | 8/4.43 | 18/3.2 | 26/2.67 | 18/3.6 | 24/3.15 | 24/3.33 | 24/3.6 |
| Aluminium-coated steel | 1/1.38 | 3/2.55 | 3/2.83 | 7/2.46 | 1/3.2 | 3/2.89 | 1/3.6 | 7/2.1 | 7/2.22 | 7/2.41 | |
| OD(mm) | 11.4 | 13.73 | 15.26 | 16.24 | 16 | 16.90 | 18 | 18.9 | 19.98 | 21.6 | |
| Calculated breaking force(KN) | 22.92 | 33.25 | 40.59 | 57.11 | 31.99 | 46.07 | 39.20 | 56.81 | 63.09 | 73.28 | |
| Modulus of elasticity(mpa) | 71400 | 71200 | 71200 | 77400 | 63600 | 69300 | 63600 | 69000 | 69000 | 69000 | |
| Linear expansion coefficient(/℃) | 20×10-6 | 20×10-6 | 20×10-6 | 18.9×10-6 | 21.7×10-6 | 20.4×10-6 | 21.7×10-6 | 20.4×10-6 | 20.4×10-6 | 20.4×10-6 | |
| DC resistance at 20 ºC(Ω/km) | 0.3991 | 0.2942 | 0.2382 | 0.2143 | 0.1955 | 0.1904 | 0.1544 | 0.1453 | 0.1327 | 0.1136 | |
| Current-carrying capacity(Amp) | 265 | 375 | 418 | 438 | 456 | 473 | 504 | 545 | 578 | 630 | |
| Allowable upper current-carrying capacity limit within 20 minutes(Amp) | 286 | 405 | 451 | 473 | 492 | 510 | 544 | 588 | 624 | 680 | |
| Operating temperature(℃) | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | |
| Weight per kilometer(kg/km) | 261.3 | 360.38 | 445.52 | 559.77 | 452.1 | 534.68 | 571.7 | 678.1 | 757.8 | 885.6 | |
