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|
圓鋼直徑d 方鋼邊長a mm |
理論重量 kg/m |
圓鋼直徑d 方鋼邊長a mm |
理論重量kg/m | ||
|
圓鋼 |
方鋼 |
圓鋼 |
方鋼 | ||
|
5.5 |
0.186 |
0.237 |
13 |
1.04 |
1.33 |
|
6 |
0.222 |
0.283 |
14 |
1.21 |
1.54 |
|
6.5 |
0.260 |
0.332 |
15 |
1.39 |
1.77 |
|
7 |
0.302 |
0.385 |
16 |
1.58 |
2.01 |
|
8 |
0.395 |
0.502 |
17 |
1.78 |
2.27 |
|
9 |
0.499 |
0.636 |
18 |
2.00 |
2.54 |
|
10 |
0.617 |
0.785 |
19 |
2.23 |
2.83 |
|
* 11 |
0.746 |
0.950 |
20 |
2.47 |
3.14 |
|
12 |
0.888 |
1.13 |
21 |
2.72 |
3.46 |
|
22 |
2.98 |
3.80 |
63 |
24.5 |
31.2 |
|
* 23 |
3.26 |
4.15 |
* 65 |
26.0 |
33.2 |
|
24 |
3.55 |
4.52 |
* 68 |
28.5 |
36.3 |
|
25 |
3.85 |
4.91 |
70 |
30.2 |
38.5 |
|
26 |
4.17 |
5.31 |
75 |
34.7 |
44.2 |
|
* 27 |
4.49 |
5.72 |
80 |
39.5 |
50.2 |
|
28 |
4.83 |
6.15 |
85 |
44.5 |
56.7 |
|
* 29 |
5.18 |
6.60 |
90 |
49.9 |
63.6 |
|
30 |
5.55 |
7.06 |
95 |
55.6 |
70.8 |
|
* 31 |
5.92 |
7.54 |
100 |
61.7 |
78.5 |
| ||