|
本尺寸 |
截面面积F
／cm2 |
理论质量G
／(kg／m) |
惯性矩
Jx=Jy／cm4 |
截面系数
Wx=Wy／cm3 |
|
A |
S |
|
mm |
|
12 |
0.8
1.0 |
0.348
0 423 |
0.273
0.332 |
0.0739
0.0873 |
0.123
0.146 |
|
14 |
1.0
1.5 |
0.503
0.712 |
0.394
0.559 |
0.144
0.192 |
0.206
0.274 |
|
16 |
1.0
1.5 |
0.583
0.832 |
0.458
0.653 |
0.222
0.300 |
0.278
0.374 |
|
18 |
1.0
1.5
2.0 |
0.663
0.952
1.21 |
0.521
0.747
0.952 |
0.324
0.442
0.535 |
0.360
0.491
0.595 |
|
20 |
1.0
1.5
2.0
2.5 |
0.743
1.07
1.37
1.64 |
0.583
0.841
1.08
1.29 |
0.453
0.624
0.763
0.874 |
0 453
0.624
0.763
0.874 |
|
22 |
1
1.5
2
2.5 |
0.823
1.19
1.53
1.84 |
0.646
0.936
1.20
1.45 |
0.612
0.850
1.05
1.21 |
0.556
0.773
0.953
1.10 |
|
25 |
2.5
3 |
2.14
2.49 |
1.68
1.95 |
1.86
2.08 |
1.49
1.57 |
|
30 |
2.5
3
3.5
4 |
2.64
3.01
3.50
3.89 |
2.08
2.42
2.75
3.05 |
3.41
3.86
4.25
4.58 |
2.27
2.58
2.83
3.05 |
|
32 |
2.5
3
3.5 |
2.84
3.33
3 78 |
2.23
2.61
2.97 |
4.21
4.79
5.29 |
2.63
3.00
3.31 |
|
32 |
4 |
4.21 |
3.30 |
5.73 |
3.58 |
|
35 |
2.5
3
3.5
4
5 |
3.14
3.69
4.20
4.68
5.58 |
2.47
2.89
3.30
3.68
4.38 |
5.54
6.45
7.16
7.78
8.79 |
3.22
3.68
4.09
4.45
5.02 |
|
36 |
2.5
3
3.5
4
5 |
3.24
3.81
4.3_4
4.85
5.75 |
2.55
2.99
3.4l
3.8l
4.53 |
6.18
7.07
7.87
8.56
9.70 |
3.43
3.93
4.37
4.76
5.39 |
|
40 |
2.5
3
3.5
4
5
6 |
3.64
4.29
4.90
5.49
6.58
7.55 |
2.86
3.37
3.85
4.3l
5.16
5.93 |
8.68
9.98
11.16
12.21
13.98
15.34 |
4.34
4.99
5.58
6.1l
6.99
7.67 |
|
42 |
2.5
3
3.5
4
5
6 |
3.84
4.53
5.18
5.81
6.98
8.03 |
3.02
3.55
4.07
4.56
5.48
6.30 |
10.15
11.70
13.10
14.37
16.56
18.22 |
4.83
5.57
6.24
6.84
7.87
8.58 |
|
45 |
3.5
4
5 |
5.60
6.23
7.58 |
4.40
4.94
5.95 |
16.43
18.07
20.90 |
7.30
8.03
9.29 |
|
45 |
6
7
8 |
8.75
9.81
10.8 |
6.87
7.80
8.44 |
23.19
24.97
26.30 |
l0.31
11.10
11.59 |
|
50 |
4
5
6
7
8 |
7.09
8.58
9.95
11.21
12.35 |
5.56
6.73
7.8l
8.80
9.70 |
25.56
29.81
33.35
36.23
38.51 |
10.22
11.93
13.34
14.49
15.41 |
|
55 |
4
5
6
7
8 |
7.89
9.58
11.15
12.51
13.95 |
6.19
7.52
8.75
9.90
10.95 |
34.87
40.95
46.13
50.47
54.04 |
12.58
14.89
16.77
18.35
19.65 |
|
60 |
4
5
6
7
8 |
8.69
10.58
12.35
14.0l
15.55 |
6.82
8.30
9.69
11.00
12.21 |
46.21
54.57
61.82
68.03
73.28 |
15.4
18.19
20.61
22.68
24.43 |
|
65 |
4
5
6
7
8 |
9.49
11.58
13.55
15.41
17.15 |
7.45
9.07
10.64
12.10
13.47 |
59.78
70.92
80.72
89.27
96.64 |
18.39
21.82
24.84
27.46
29.74 |
|
70 |
4
5
6 |
10.29
12.58
14.7 |
8.08
9.87
11.58 |
75.78
90.26
103.1 |
21.65
25.79
29.47 |
|
70 |
7
8 |
16.81
18.75 |
13.19
14.72 |
114.5
124.5 |
32.72
35.57 |
|
75 |
4
5
6
7
8 |
11.09
13.58
15.95
18 21
20.35 |
8.70
10.66
12.52
14.29
15.98 |
94.4
112.8
129.4
144.2
157.3 |
25.17
30.08
34.50
38.44
41.94 |
|
80 |
4
5
6
7
8 |
11.89
14.58
17.15
19.61
21.95 |
9.33
11.44
13.46
15.39
17.23 |
115.9
138.9
159.7
178.5
195.4 |
28.96
34.72
39.93
44.63
48.85 |
|
|
5
6
7
8 |
16.98
20.03
22.97
25.79 |
13.33
15.72
18.03
20.25 |
217.1
251.1
282.3
310.9 |
47.19
54.59
61.38
67.58 |
|
100 |
5
6
7
8 |
18.58
21.95
25.21
28.35 |
14.58
17.23
19.79
22.26 |
282.8
328.2
370.2
408.9 |
56.57
65.54
74.04
81.78 |
|
110 |
7
8
9 |
28.01
31.55
34.98 |
21.99
24.77
27.46 |
503.4
557.9
608.4 |
91.54
101.4
110.6 |
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