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Technical standards You are here: Home > Main business > Technical standards
JL/LB20A type aluminum stranded wire with aluminium-coated steel core（Q/CTKJ CO3-2014）...
| Nominal cross-section area mm2 | Number of the wires in the structure/Diameter | Calculated cross-section area mm2 | OD mm | DC resistance at 20 ºC （Ω/km） |
Calculated breaking force KN | Unit weight kg/km | Delivery length m | |||
| Aluminium | Aluminium-coated steel | Aluminium | Aluminium-coated steel | Total | ||||||
| 10/2 | 6/1.50 | 1/1.50 | 10.60 | 1.77 | 12.37 | 4.50 | 2.5617 | 4.188 | 40.7 | 3000 |
| 16/3 | 6/1.85 | 1/1.85 | 16.13 | 2.69 | 18.82 | 5.55 | 1.6841 | 6.209 | 62.0 | 3000 |
| 25/4 | 6/2.32 | 1/2.32 | 25.36 | 4.23 | 29.59 | 6.96 | 1.0708 | 9.511 | 97.5 | 3000 |
| 35/6 | 6/2.72 | 1/2.72 | 34.86 | 5.81 | 40.67 | 8.16 | 0.7791 | 12.900 | 134.0 | 3000 |
| 50/8 | 6/3.20 | 1/3.20 | 48.25 | 8.04 | 56.29 | 9.60 | 0.5629 | 17.613 | 185.4 | 3000 |
| 50/30 | 12/2.32 | 7/2.32 | 50.73 | 29.59 | 80.32 | 11.60 | 0.4753 | 44.387 | 336.0 | 3000 |
| 70/10 | 6/3.80 | 1/3.80 | 68.05 | 11.34 | 79.39 | 11.40 | 0.3992 | 23.363 | 261.5 | 2000 |
| 70/40 | 12/2.72 | 7/2.72 | 69.73 | 40.67 | 110.40 | 13.60 | 0.3458 | 60.664 | 461.8 | 2000 |
| 95/15 | 26/2.15 | 7/1.67 | 94.39 | 15.33 | 109.72 | 13.61 | 0.2899 | 35.390 | 362.1 | 2000 |
| 95/20 | 7/4.16 | 7/1.85 | 95.14 | 18.82 | 113.96 | 13.87 | 0.2831 | 37.802 | 386.0 | 2000 |
| 95/55 | 12/3.20 | 7/3.20 | 96.51 | 56.30 | 152.81 | 16.00 | 0.2498 | 83.481 | 639.2 | 2000 |
| 120/7 | 18/2.90 | 1/2.90 | 118.89 | 6.61 | 125.50 | 14.50 | 0.2377 | 28.138 | 371.0 | 2000 |
| 120/20 | 26/2.38 | 7/1.85 | 115.67 | 18.82 | 134.49 | 15.07 | 0.2366 | 42.821 | 444.0 | 2000 |
| 120/25 | 7/4.72 | 7/2.10 | 122.48 | 24.25 | 146.73 | 15.74 | 0.2199 | 48.691 | 497.1 | 2000 |
| 120/70 | 12/3.60 | 7/3.60 | 122.15 | 71.25 | 193.40 | 18.00 | 0.1974 | 100.770 | 809.0 | 2000 |
| 150/8 | 18/3.20 | 1/3.25 | 144.76 | 8.04 | 152.80 | 16.00 | 0.1952 | 33.537 | 451.7 | 2000 |
| 150/20 | 24/2.78 | 7/1.85 | 145.68 | 18.82 | 164.50 | 16.67 | 0.1898 | 47.344 | 526.5 | 2000 |
| 150/25 | 26/2.70 | 7/2.10 | 148.86 | 24.25 | 173.11 | 17.10 | 0.1838 | 54.401 | 571.6 | 2000 |
| 150/35 | 30/2.50 | 7/2.50 | 147.26 | 34.36 | 181.62 | 17.50 | 0.1818 | 67.004 | 634.4 | 2000 |
| 185/10 | 18/3.60 | 1/3.60 | 183.22 | 10.18 | 193.40 | 18.00 | 0.1544 | 40.919 | 571.7 | 2000 |
| 185/25 | 24/3.15 | 7/2.10 | 187.04 | 24.25 | 211.29 | 18.90 | 0.1478 | 59.955 | 676.6 | 2000 |
| 185/30 | 26/2.98 | 7/2.32 | 181.34 | 29.59 | 210.93 | 18.88 | 0.1509 | 66.337 | 696.6 | 2000 |
| 185/45 | 30/2.80 | 7/2.80 | 184.73 | 43.10 | 227.83 | 19.60 | 0.1450 | 83.127 | 795.8 | 2000 |
| 210/10 | 18/3.80 | 1/3.80 | 204.14 | 11.34 | 215.48 | 19.00 | 0.1385 | 45.138 | 637.0 | 2000 |
| 210/25 | 24/3.33 | 7/2.22 | 209.02 | 27.10 | 236.12 | 19.98 | 0.1322 | 67.003 | 756.1 | 2000 |
| 210/35 | 26/3.22 | 7/2.50 | 211.73 | 34.36 | 246.09 | 20.38 | 0.1293 | 76.168 | 812.1 | 2000 |
| 210/50 | 30/2.98 | 7/2.98 | 209.24 | 48.82 | 258.06 | 20.86 | 0.1280 | 94.158 | 901.4 | 2000 |
| 240/30 | 24/3.60 | 7/2.40 | 244.29 | 31.67 | 275.96 | 21.60 | 0.1131 | 77.087 | 883.7 | 2000 |
| 240/40 | 26/3.42 | 7/2.66 | 238.85 | 38.90 | 277.75 | 21.66 | 0.1146 | 86.090 | 917.0 | 2000 |
| 240/55 | 30/3.20 | 7/3.20 | 241.27 | 56.30 | 297.57 | 22.40 | 0.1110 | 107.367 | 1039.4 | 2000 |
| 300/15 | 42/3.00 | 7/1.67 | 296.88 | 15.33 | 312.21 | 23.01 | 0.0956 | 68.869 | 921.2 | 2000 |
| 300/20 | 45/2.93 | 7/1.95 | 303.42 | 20.91 | 324.33 | 23.43 | 0.0930 | 76.667 | 976.4 | 2000 |
| 300/25 | 48/2.85 | 7/2.22 | 306.21 | 27.10 | 333.31 | 23.76 | 0.0916 | 84.570 | 1025.3 | 2000 |
| 300/40 | 24/3.99 | 7/2.66 | 300.09 | 38.90 | 338.99 | 23.94 | 0.0921 | 94.694 | 1085.6 | 2000 |
| 300/50 | 26/3.82 | 7/2.98 | 299.54 | 48.82 | 348.36 | 23.26 | 0.0913 | 106.514 | 1150.3 | 2000 |
| 300/70 | 30/3.60 | 7/3.60 | 305.36 | 71.25 | 376.61 | 25.20 | 0.0877 | 130.085 | 1315.5 | 2000 |
| 400/20 | 42/3.51 | 7/1.95 | 406.20 | 20.91 | 427.31 | 26.91 | 0.0698 | 90.110 | 1260.4 | 1500 |
| 400/25 | 45/3.33 | 7/2.22 | 391.91 | 27.10 | 419.01 | 26.64 | 0.0720 | 97.180 | 1261.8 | 1500 |
| 400/35 | 48/3.22 | 7/2.50 | 390.88 | 34.36 | 425.24 | 26.82 | 0.0718 | 105.729 | 1307.4 | 1500 |
| 400/50 | 54/3.07 | 7/3.07 | 399.73 | 51.82 | 451.55 | 27.63 | 0.0693 | 128.134 | 1448.1 | 1500 |
| 400/65 | 26/4.42 | 7/3.44 | 398.94 | 65.06 | 464.00 | 28.00 | 0.0686 | 140.600 | 1532.3 | 1500 |
| 400/95 | 30/4.16 | 19/2.50 | 407.75 | 93.27 | 501.02 | 29.14 | 0.0658 | 177.160 | 1746.2 | 1500 |
| 500/35 | 45/3.75 | 7/2.50 | 497.01 | 34.36 | 531.37 | 30.00 | 0.0568 | 120.755 | 1600.1 | 1500 |
| 500/45 | 48/3.60 | 7/2.80 | 488.58 | 43.10 | 531.68 | 30.00 | 0.0574 | 129.896 | 1635.1 | 1500 |
| 500/65 | 54/3.44 | 7/3.44 | 501.88 | 65.06 | 566.94 | 30.96 | 0.0552 | 159.579 | 1818.2 | 1500 |
| 630/45 | 45/4.20 | 7/2.80 | 623.45 | 43.10 | 666.55 | 33.60 | 0.0453 | 151.475 | 2007.2 | 1200 |
| 630/55 | 48/4.12 | 7/3.20 | 639.92 | 56.30 | 696.22 | 34.32 | 0.0438 | 169.944 | 2140.6 | 1200 |
| 630/80 | 54/3.87 | 19/2.32 | 635.19 | 80.32 | 715.51 | 34.82 | 0.0436 | 198.014 | 2289.5 | 1200 |
| 720/50 | 45/4.53 | 7/3.02 | 725.26 | 50.14 | 775.40 | 36.18 | 0.0389 | 176.213 | 2335.0 | 1200 |
| 720/90 | 54/4.135 | 19/2.482 | 725.16 | 91.92 | 817.08 | 37.22 | 0.0382 | 226.339 | 2615.3 | 1200 |
| 800/55 | 45/4.80 | 7/3.20 | 814.30 | 56.30 | 870.60 | 38.40 | 0.0347 | 197.845 | 2621.7 | 1000 |
| 800/70 | 48/4.63 | 7/3.60 | 808.15 | 71.25 | 879.40 | 38.58 | 0.0347 | 210.531 | 2704.4 | 1000 |
| 800/100 | 54/4.33 | 19/2.60 | 795.17 | 100.88 | 896.05 | 38.98 | 0.0349 | 248.279 | 2868.3 | 1000 |
| 1400/120 | 84/4.60 | 19/2.80 | 1396.00 | 116.99 | 1512.99 | 50.80 | 0.0202 | 363.751 | 4641.2 | 500 |
| 1400/135 | 88/4.50 | 19/3.00 | 1399.58 | 134.30 | 1533.88 | 51.00 | 0.0200 | 385.096 | 4765.8 | 500 |
