|
型号
|
内径
（d）mm |
外径
（D）mm |
外径公差
mm |
每卷长
mm |
钢管对应公径
mm |
对应电线管公称尺寸
mm |
||
|
15#
|
16.0
|
20.6
|
±0.2
|
50
|
15
|
1/2m
|
16
|
5/8m
|
|
17#
|
18.3
|
23.1
|
±0.2
|
50
|
20
|
3/4m
|
19
|
3/4m
|
|
24#
|
24.8
|
30.4
|
±0.2
|
25
|
25
|
1m
|
25
|
1m
|
|
30#
|
30.9
|
36.5
|
±0.2
|
25
|
32
|
1 1/4m
|
32
|
1 1/4m
|
|
38#
|
38.9
|
44.9
|
±0.4
|
25
|
40
|
1 1/2m
|
38
|
1 1/2m
|
|
50#
|
50.5
|
56.9
|
±0.4
|
25
|
50
|
2m
|
51
|
2m
|
|
63#
|
64.6
|
71.5
|
±0.6
|
10
|
65
|
2 1/2m
|
64
|
2 1/2m
|
|
76#
|
77.9
|
85.3
|
±0.6
|
10
|
（65）
|
（2 1/2）m
|
76
|
3m
|
|
83#
|
82.6
|
90.9
|
±0.8
|
10
|
80
|
3m
|
|
|
|
101#
|
101.1
|
110.1
|
±0.8
|
5
|
100
|
4m
|
|
|
