| |
| b-边宽；d-边厚；r-内圆弧半径 |
| 角钢号数 |
尺 寸 （mm） |
截面面积 (cm2) |
理论重量 (kg/m) |
外表面积 (m2/m) |
| b |
d |
r |
| 2 |
20 |
3 |
3.5 |
1.132 |
0.889 |
0.078 |
| 4 |
1.459 |
1.145 |
0.077 |
| 2.5 |
25 |
3 |
1.432 |
1.124 |
0.098 |
| 4 |
1.859 |
1.459 |
0.097 |
| 3 |
30 |
3 |
4.5 |
1.749 |
1.373 |
0.117 |
| 4 |
2.276 |
1.786 |
0.117 |
| 3.6 |
36 |
3 |
2.109 |
1.656 |
0.141 |
| 4 |
2.756 |
2.163 |
0.141 |
| 5 |
3.382 |
2.654 |
0.141 |
| 4 |
40 |
3 |
5 |
2.359 |
1.852 |
0.157 |
| 4 |
3.086 |
2.422 |
0.157 |
| 5 |
3.791 |
2.976 |
0.156 |
| 4.5 |
45 |
3 |
5 |
2.659 |
2.088 |
0.177 |
| 4 |
3.486 |
2.736 |
0.177 |
| 5 |
4.292 |
3.369 |
0.176 |
| 6 |
5.076 |
3.985 |
0.176 |
| 5 |
50 |
3 |
5.5 |
2.971 |
2.332 |
0.197 |
| 4 |
3.897 |
3.059 |
0.197 |
| 5 |
4.803 |
3.770 |
0.196 |
| 6 |
5.688 |
4.465 |
0.196 |
| 5.6 |
56 |
3 |
6 |
3.343 |
2.624 |
0.221 |
| 4 |
4.390 |
3.446 |
0.220 |
| 5 |
5.415 |
4.251 |
0.220 |
| 8 |
8.367 |
6.568 |
0.219 |
| 6.3 |
63 |
4 |
7 |
4.978 |
3.907 |
0.248 |
| 5 |
6.143 |
4.822 |
0.248 |
| 6 |
7.288 |
5.721 |
0.247 |
| 8 |
9.515 |
7.469 |
0.247 |
| 10 |
11.657 |
9.151 |
0.246 |
| 7 |
70 |
4 |
8 |
5.570 |
4.372 |
0.275 |
| 5 |
6.875 |
5.397 |
0.275 |
| 6 |
8.160 |
6.406 |
0.275 |
| 7 |
9.424 |
7.398 |
0.275 |
| 8 |
10.677 |
8.373 |
0.274 |
| (7.5) |
75 |
5 |
9 |
7.367 |
5.818 |
0.295 |
| 6 |
8.797 |
6.905 |
0.294 |
| 7 |
10.160 |
7.976 |
0.294 |
| 8 |
11.503 |
9.030 |
0.294 |
| 10 |
14.126 |
11.089 |
0.293 |
| 8 |
80 |
5 |
7.912 |
6.211 |
0.315 |
| 6 |
9.397 |
7.376 |
0.314 |
| 7 |
10.860 |
8.525 |
0.314 |
| 8 |
12.303 |
9.658 |
0.314 |
| 10 |
15.126 |
11.874 |
0.313 |
| 9 |
90 |
6 |
10 |
10.637 |
8.350 |
0.354 |
| 7 |
12.301 |
9.656 |
0.354 |
| 8 |
13.944 |
10.946 |
0.353 |
| 10 |
17.167 |
13.476 |
0.353 |
| 12 |
20.306 |
15.940 |
0.352 |
| 10 |
100 |
6 |
12 |
11.932 |
9.366 |
0.393 |
| 7 |
13.796 |
10.83 |
0.393 |
| 8 |
15.638 |
12.276 |
0.393 |
| 10 |
19.261 |
15.120 |
0.392 |
| 12 |
22.800 |
17.898 |
0.391 |
| 14 |
26.256 |
20.611 |
0.391 |
| 16 |
29.627 |
23.257 |
0.390 |
| 11 |
110 |
7 |
15.196 |
11.928 |
0.433 |
| 8 |
17.238 |
13.532 |
0.433 |
| 10 |
21.261 |
16.690 |
0.432 |
| 12 |
25.200 |
19.782 |
0.431 |
| 14 |
29.056 |
22.809 |
0.431 |
| 12.5 |
125 |
8 |
14 |
19.750 |
15.504 |
0.492 |
| 10 |
24.373 |
19.133 |
0.491 |
| 12 |
28.912 |
22.696 |
0.491 |
| 14 |
33.367 |
26.193 |
0.490 |
| 14 |
140 |
10 |
27.373 |
21.488 |
0.551 |
| 12 |
32.512 |
25.522 |
0.551 |
| 14 |
37.567 |
29.490 |
0.550 |
| 16 |
42.539 |
33.393 |
0.549 |
| 16 |
160 |
10 |
16 |
31.502 |
24.729 |
0.630 |
| 12 |
37.441 |
29.391 |
0.630 |
| 14 |
43.296 |
33.987 |
0.629 |
| 16 |
49.067 |
38.518 |
0.629 |
| 18 |
180 |
12 |
42.241 |
33.159 |
0.710 |
| 14 |
48.806 |
38.383 |
0.709 |
| 16 |
55.467 |
43.542 |
0.709 |
| 18 |
61.955 |
48.634 |
0.708 |
| 20 |
200 |
14 |
18 |
54.642 |
42.894 |
0.788 |
| 16 |
62.013 |
48.680 |
0.788 |
| 18 |
69.301 |
54.401 |
0.787 |
| 20 |
76.505 |
60.056 |
0.787 |
| 24 |
90.661 |
71.168 |
0.785 |
| 注 （1）等边角钢的通常长度：2~4号长3~9m；5~8号长4~12m；9~14号长4~19m；16~20号长6~19m。 |
| （2）制造钢号：A3，<, /FONT>A3F，B3F。 |
| （3）标记举例：普通碳素钢甲类平炉3号沸腾钢160mmX160mmX16mm的热轧等边角钢的标记为： |
| 热轧等边角钢 |
160x160x16-YB166-65 |
|
|
|
| A3F-YB170-63 |
|
|
| |
