|
角鋼號(hào)數(shù) |
尺寸（毫米） |
截面面積
（厘米2） |
理論重量
（公斤/米） |
表面積
（米2/米） |
|
b |
d |
r |
|
2 |
20 |
3
4 |
3.5 |
1.132
1.459 |
0.889
1.145 |
0.078
0.077 |
|
2.5 |
25 |
3
4 |
3.5 |
1.432
1.859 |
1.124
1.459 |
0.098
0.097 |
|
3.0 |
30 |
3
4 |
4.5 |
1.749
2.276 |
1.373
1.786 |
0.117
0.117 |
|
3.6 |
36 |
3
4
5 |
4.5 |
2.109
2.756
3.382 |
1.656
2.163
2.654 |
0.141
0.141
0.141 |
|
4.0 |
40 |
3
4
5 |
5 |
2.359
3.086
3.791 |
1.852
2.422
2.976 |
0.157
0.157
0.156 |
|
4.5 |
45 |
3
4
5
6 |
5 |
2.659
3.486
4.292
5.076 |
2.088
2.736
.369
3.985 |
0.177
0.177
0.176
0.176 |
|
5.0 |
50 |
3
4 |
5.5 |
2.971
3.897 |
2.332
3.059 |
0.197
0.197 |
|
5.0 |
50 |
5
6 |
5.5 |
4.803
5.688 |
3.770
4.465 |
0.196
0.196 |
|
5.6 |
56 |
3
4
5
8 |
6.0 |
3.343
4.390
5.415
8.367 |
2.624
3.446
4.251
6.568 |
0.221
0.220
0.220
0.219 |
|
6.3 |
63 |
4
5
6
8
10 |
7 |
4.978
6.143
7.288
9.515
11.657 |
3.907
4.822
5.721
7.469
9.151 |
0.248
0.248
0.247
0.247
0.246 |
|
7 |
70 |
4
5
6
7
8 |
8 |
5.570
6.875
8.160
9.424
10.667 |
4.372
5.397
6.406
7.398
8.373 |
0.275
0.275
0.275
0.275
0.274 |
|
7.5 |
75 |
5
6
7
8
10 |
9 |
7.367
8.797
10.160
11.503
14.126 |
5.818
6.905
7.976
9.030
11.089 |
0.295
0.294
0.294
0.294
0.293 |
|
8 |
80 |
5
6
7
8
10 |
9 |
7.912
9.397
10.860
12.303
15.126 |
6.211
7.376
8.525
9.658
11.874 |
0.315
0.314
0.314
0.314
0.313 |
|
9 |
90 |
6
7
8
10
12 |
10 |
10.637
12.301
13.944
17.167
20.306 |
8.350
9.656
10.946
13.476
15.940 |
0.354
0.354
0.353
0.353
0.352 |
