|
角钢号数
|
尺寸（毫米）
|
截断面积
（厘米2）
|
理论重量
（公斤/米）
|
表面积
（米2/米）
|
|
A×b
|
T
|
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
|
|
10
|
100
|
6
7
8
10
|
12
|
11.932
13.796
15.638
19.261
|
9.366
10.830
12.276
15.120
|
0.393
0.393
0.393
0.392
|
|
10
|
100
|
12
14
16
|
12
|
22.800
26.256
29.627
|
17.898
20.611
23.257
|
0.391
0.391
0.390
|
|
11
|
110
|
7
8
10
12
14
|
12
|
15.196
17.238
21.261
25.200
29.056
|
11.928
13.532
16.690
19.782
22.809
|
0.433
0.433
0.432
0.431
0.431
|
|
12.5
|
125
|
8
10
12
14
|
14
|
11.932
13.796
15.638
19.261
|
15.504
19.133
22.696
26.193
|
0.492
0.491
0.491
0.490
|
|
14
|
140
|
10
12
14
16
|
14
|
27.373
32.512
37.567
42.539
|
21.488
25.522
29.490
33.393
|
0.551
0.551
0.550
0.549
|
|
16
|
160
|
10
12
14
16
|
16
|
31.502
37.441
43.296
49.067
|
24.729
29.391
33.987
38.518
|
0.630
0.630
0.629
0.629
|
|
18
|
180
|
12
14
16
18
|
16
|
42.241
48.896
55.467
61.955
|
33.159
38.383
43.542
48.634
|
0.710
0.709
0.709
0.708
|
|
20
|
200
|
14
16
18
20
24
|
18
|
54.642
62.013
69.301
76.505
90.661
|
42.894
48.680
54.401
60.056
71.168
|
0.788
0.788
0.787
0.787
0.785
|
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