|
|
|
圓鋼直徑d（型號）
|
理論重量 kg/m
|
圓鋼直徑d（型號）
|
理論重量kg/m
|
|
圓鋼
|
圓鋼
|
|
|
|
5.5
|
0.186
|
13
|
1.04
|
|
6
|
0.222
|
14
|
1.21
|
|
6.5
|
0.26
|
15
|
1.39
|
|
7
|
0.302
|
16
|
1.58
|
|
8
|
0.395
|
17
|
1.78
|
|
9
|
0.499
|
18
|
2
|
|
10
|
0.617
|
19
|
2.23
|
|
* 11
|
0.746
|
20
|
2.47
|
|
12
|
0.888
|
21
|
2.72
|
|
22
|
2.98
|
63
|
24.5
|
|
* 23
|
3.26
|
* 65
|
26
|
|
24
|
3.55
|
* 68
|
28.5
|
|
25
|
3.85
|
70
|
30.2
|
|
26
|
4.17
|
75
|
34.7
|
|
* 27
|
4.49
|
80
|
39.5
|
|
28
|
4.83
|
85
|
44.5
|
|
* 29
|
5.18
|
90
|
49.9
|
|
30
|
5.55
|
95
|
55.6
|
|
* 31
|
5.92
|
100
|
61.7
|
|
32
|
6.31
|
105
|
68
|
|
* 33
|
6.71
|
110
|
74.6
|
|
34
|
7.13
|
115
|
81.5
|
|
* 35
|
7.55
|
120
|
88.8
|
|
36
|
7.99
|
125
|
96.3
|
|
38
|
8.9
|
130
|
104
|
|
40
|
9.86
|
140
|
121
|
|
42
|
10.9
|
150
|
139
|
|
45
|
12.5
|
160
|
158
|
|
48
|
14.2
|
170
|
178
|
|
50
|
15.4
|
180
|
200
|
|
53
|
17.3
|
190
|
223
|
|
* 55
|
18.6
|
200
|
247
|
|
56
|
19.3
|
220
|
298
|
|
* 58
|
20.7
|
250
|
385
|
|
60
|
22.2
|
|
|
