槽钢理论重量单位：kg/m、mm
|
规格
|
高度
|
腿宽
|
腰厚
|
截面面积
（cm2）
|
理重
|
|
5#
|
50
|
37
|
4.5
|
6.928 |
5.438
|
|
6.3#
|
63
|
40
|
4.8
|
8.451 |
6.634
|
|
6.5# |
65 |
40 |
4.3 |
|
6.709 |
|
8#
|
80
|
43
|
5.0
|
10.248 |
8.045
|
|
10#
|
100
|
48
|
5.3
|
12.748 |
10.007
|
|
12#
|
120
|
53
|
5.5
|
|
12.059
|
|
12.6
|
126
|
53
|
5.5
|
15.692 |
12.319
|
|
14#a
|
140
|
58
|
6.0
|
18.516 |
14.535
|
|
14#b
|
140
|
60
|
8
|
21.316 |
16.733
|
|
16#a
|
160
|
63
|
6.5
|
21.962 |
17.24
|
|
16#b
|
160
|
65
|
8.5
|
25.162 |
19.752
|
|
18#a
|
180
|
68
|
7
|
25.699 |
20.174
|
|
18#b
|
180
|
70
|
9
|
29.299 |
23
|
|
20#a
|
200
|
73
|
7
|
28.837 |
22.637
|
|
20#b
|
200
|
75
|
9
|
32.837 |
25.777
|
|
22#a
|
220
|
77
|
7
|
31.846 |
24.999
|
|
22#b
|
220
|
79
|
9
|
36.246 |
28.453
|
|
25#a
|
250
|
78
|
7
|
34.917 |
27.41
|
|
25#b
|
250
|
80
|
9
|
39.917 |
31.335
|
|
25#c
|
250
|
82
|
11
|
44.917 |
35.26
|
|
28#a
|
280
|
82
|
7.5
|
40.034 |
31.427
|
|
28#b
|
280
|
84
|
9.5
|
45.634 |
35.832
|
|
28#c
|
280
|
86
|
11.5
|
51.234 |
40.219
|
|
30#a
|
300
|
85
|
7.5
|
|
34.463
|
|
30#b
|
300
|
87
|
9.5
|
|
39.173
|
|
30#c
|
300
|
89
|
11.5
|
|
43.883
|
|
32#a
|
320
|
88
|
8
|
48.513 |
38.083
|
|
32#b
|
320
|
90
|
10
|
54.913 |
43.107
|
|
32#c
|
320
|
92
|
12
|
61.313 |
48.131
|
|
36#a
|
360
|
96
|
9
|
60.910 |
47.814
|
|
36#b
|
360
|
98
|
11
|
68.110 |
53.466
|
|
36#c
|
360
|
100
|
13
|
75.310 |
59.118
|
|
40#a
|
400
|
100
|
10.5
|
75.068 |
58.928
|
|
40#b
|
400
|
102
|
12.5
|
83.068 |
65.208
|
|
40#c
|
400
|
104
|
14.5
|
91.068 |
71.488
|
允许偏差
(mm)
型号5 6.3 6.5 8 10 12 12.6 14 16 18
高度h ±1.5 ±2.0 ±2.0 ±3.0 ±3.0
腿宽b ±1.5 ±2.0 ±2.5 ±3.0 ±3.5
腰厚d ±0.4 ±0.5 ±0.6 ±0.7 ±0.8
弯腰挠度不应超过0.15d
通常长度5 ～12m 5 ～19m 6 ～19m