铝包钢绞线 JLB-20
标称面积
mm2
结构根数/直径
外径
mm
计算截面
mm2
20℃时直流电阻不大于
Ω/km
计算拉断力
KN
单位重量
kg/km
交货长度不小于
m
铝
钢
总
16
3/2.60
5.60
3.98
11.95
15.93
5.3659
20.28
105.8
2500
16
7/1.70
5.10
3.97
11.92
15.89
5.3901
19.16
105.8
2500
25
3/3.25
7.00
6.22
18.67
24.89
3.4342
31.68
165.3
2000
7/2.15
6.45
6.35
19.06
25.41
3.3706
30.64
169.1
30
7/2.30
6.90
7.27
21.81
29.08
2.9579
35.07
198.58
35
3/3.85
8.30
8.73
26.19
34.92
2.4478
41.47
232.0
7/2.50
7.50
8.59
25.77
34.36
2.4927
41.44
228.7
36
7/2.60
7.80
9.29
27.88
37.17
2.3086
44.82
247.38
45
7/2.90
8.70
11.56
34.68
46.24
1.8522
55.77
307.8
50
3/4.60
9.91
12.46
37.40
49.86
1.7144
54.00
331.2
1500
7/3.00
9.00
12.37
37.11
49.48
1.7310
59.67
329.3
55
7/3.20
9.60
14.08
42.22
56.30
1.5213
67.90
374.7
65
7/3.50
10.50
16.84
50.51
67.35
1.2717
76.98
448.3
70
7/3.60
10.80
17.81
53.44
71.25
1.2021
81.44
474.2
80
7/3.80
11.40
19.85
59.54
79.39
1.0788
89.31
528.4
19/2.30
11.50
19.74
59.21
78.95
1.0941
95.20
527.5
95
7/4.16
12.48
23.79
71.35
95.14
0.9002
101.04
633.2
100
19/2.60
13.00
25.22
75.66
100.88
0.8524
121.66
674.1
120
19/2.85
14.25
30.30
90.91
121.21
0.7094
146.18
810
125
19/2.90
14.50
31.38
94.13
125.51
0.6889
151.35
838.6
150
19/3.15
15.75
37.02
111.05
148.07
0.5807
178.57
989.4
185
19/3.50
17.50
45.70
137.10
182.80
0.4704
208.94
1221.5
