冷拔無縫方形鋼管的尺寸規格
基本尺寸
|
截面面積F
/cm2
|
理論質量G
/(kg/m)
|
慣性矩
Jx=Jy/cm4
|
截面系數
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
|