| 型 号 |
尺寸（毫米） |
截面面积
（厘米2） |
理论重量
（公斤/米） |
| h |
b |
d |
t |
r1 |
| 10 |
100 |
68 |
4.5 |
7.6 |
3.3 |
14.3 |
11.2 |
| 12.6 |
126 |
74 |
5 |
8.4 |
3.5 |
18.1 |
14.2 |
| 14 |
140 |
80 |
5.5 |
9.1 |
3.8 |
21.5 |
16.9 |
| 16 |
160 |
88 |
6 |
9.9 |
4 |
26.1 |
20.5 |
| 18 |
180 |
94 |
6.5 |
10.7 |
4.3 |
30.6 |
24.1 |
| 20a |
200 |
100 |
7 |
11.4 |
4.5 |
35.5 |
27.9 |
| 20b |
200 |
102 |
9 |
11.4 |
4.5 |
39.5 |
31.1 |
| 22a |
220 |
110 |
7.5 |
12.3 |
4.8 |
42 |
33 |
| 22b |
220 |
112 |
9.5 |
12.3 |
4.8 |
46.4 |
36.4 |
| 25a |
250 |
116 |
8 |
13 |
5 |
48.5 |
38.1 |
| 25b |
250 |
118 |
10 |
13 |
5 |
53.5 |
42 |
| 28a |
280 |
122 |
8.5 |
13.7 |
5.3 |
55.45 |
43.4 |
| 28b |
280 |
124 |
10.5 |
13.7 |
5.3 |
61.05 |
47.9 |
| 32a |
320 |
130 |
9.5 |
15 |
5.8 |
67.05 |
52.7 |
| 32b |
320 |
132 |
11.5 |
15 |
5.8 |
73.45 |
57.7 |
| 32c |
320 |
134 |
13.5 |
15 |
5.8 |
79.95 |
62.8 |
| 36a |
360 |
136 |
10 |
15.8 |
6 |
76.3 |
59.9 |
| 36b |
360 |
138 |
12 |
15.8 |
6 |
83.5 |
65.6 |
| 36c |
360 |
140 |
14 |
15.8 |
6 |
90.7 |
71.2 |
| 40a |
400 |
142 |
10.5 |
16.5 |
6.3 |
86.1 |
67.6 |
| 40b |
400 |
144 |
12.5 |
16.5 |
6.3 |
94.1 |
73.8 |
| 40c |
400 |
146 |
14.5 |
16.5 |
6.3 |
102 |
80.1 |
| 45a |
450 |
150 |
11.5 |
18 |
6.8 |
102 |
80.4 |
| 45b |
450 |
152 |
13.5 |
18 |
6.8 |
111 |
87.4 |
| 45c |
450 |
154 |
15.5 |
18 |
6.8 |
120 |
94.5 |
| 50a |
500 |
158 |
12 |
20 |
7 |
119 |
93.6 |
| 50b |
500 |
160 |
14 |
20 |
7 |
129 |
101 |
| 50c |
500 |
162 |
16 |
20 |
7 |
139 |
109 |
| 56a |
560 |
166 |
12.5 |
21 |
7.3 |
135.25 |
106.2 |
| 56b |
560 |
168 |
14.5 |
21 |
7.3 |
146.45 |
115 |
| 56c |
560 |
170 |
16.5 |
21 |
7.3 |
157.85 |
123.9 |
| 63a |
630 |
176 |
13 |
22 |
7.5 |
154.9 |
121.6 |
| 63b |
630 |
178 |
15 |
22 |
7.5 |
167.5 |
131.5 |
| 63c |
630 |
180 |
17 |
22 |
7.5 |
180.1 |
141 |
|
