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Hard copper stranded wire

Products > Hard copper stranded wire > 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
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