尺 寸
|
特 性**
|
|||||||||
公称*尺寸
|
壁厚
|
每英尺重量
|
截面积
|
X-X轴
|
Y-Y轴
|
|||||
Ix
|
Sx
|
rx
|
Iy
|
Sy
|
ry
|
|||||
ln.
|
ln.
|
Lb.
|
ln.2
|
ln.4
|
ln.3
|
ln.
|
ln.4
|
ln.3
|
ln.
|
|
20×12
|
.5000
|
1/2
|
103.30
|
30.4
|
1650
|
165
|
7.37
|
750
|
125.0
|
4.97
|
.3750
|
3/8
|
78.52
|
23.1
|
1280
|
128
|
7.44
|
583
|
97.2
|
5.03
|
|
.3125
|
5/16
|
65.87
|
19.4
|
1080
|
108
|
7.47
|
495
|
82.5
|
5.06
|
|
20×8
|
.5000
|
1/2
|
89.68
|
26.4
|
1270
|
127
|
6.94
|
300
|
75.1
|
3.38
|
.3750
|
3/8
|
68.31
|
20.1
|
988
|
98.8
|
7.02
|
236
|
59.1
|
3.43
|
|
.3125
|
5/16
|
57.36
|
16.9
|
838
|
83.8
|
7.05
|
202
|
50.4
|
3.46
|
|
20×4
|
.5000
|
1/2
|
76.07
|
22.4
|
889
|
88.9
|
6.31
|
61.6
|
30.8
|
1.66
|
.3750
|
3/8
|
58.10
|
17.1
|
699
|
69.9
|
6.40
|
50.3
|
25.1
|
1.72
|
|
.3125
|
5/16
|
48.86
|
14.4
|
596
|
59.6
|
6.44
|
43.7
|
21.8
|
1.74
|
|
18×6
|
.5000
|
1/2
|
76.07
|
22.4
|
818
|
90.9
|
6.05
|
141
|
47.2
|
2.52
|
.3750
|
3/8
|
58.10
|
17.1
|
641
|
71.3
|
6.13
|
113
|
37.6
|
2.57
|
|
.3125
|
5/16
|
48.86
|
14.4
|
546
|
60.7
|
6.17
|
97.0
|
32.3
|
2.60
|
|
16×12
|
.5000
|
1/2
|
89.68
|
26.4
|
962
|
120
|
6.04
|
618
|
103.0
|
4.84
|
.3750
|
3/8
|
68.31
|
20.1
|
748
|
93.5
|
6.11
|
482
|
80.3
|
4.90
|
|
.3125
|
5/16
|
57.36
|
16.9
|
635
|
79.4
|
6.14
|
409
|
68.2
|
4.93
|
|
16×8
|
.5000
|
1/2
|
76.07
|
22.4
|
722
|
90.2
|
5.68
|
244
|
61.0
|
3.30
|
.3750
|
3/8
|
58.10
|
17.1
|
565
|
70.6
|
5.75
|
193
|
48.2
|
3.36
|
|
.3125
|
5/16
|
48.86
|
14.4
|
481
|
60.1
|
5.79
|
165
|
41.2
|
3.39
|
|
16×4
|
.5000
|
1/2
|
62.46
|
18.4
|
481
|
60.2
|
5.12
|
49.3
|
24.6
|
1.64
|
.3750
|
3/8
|
47.90
|
14.1
|
382
|
47.8
|
5.21
|
40.4
|
20.2
|
1.69
|
|
.3125
|
5/16
|
40.35
|
11.9
|
327
|
40.9
|
5.25
|
35.1
|
17.6
|
1.72
|
|
14×10
|
.5000
|
1/2
|
76.07
|
22.4
|
608
|
86.9
|
5.22
|
361
|
72.3
|
4.02
|
.3750
|
3/8
|
58.10
|
17.1
|
476
|
68.0
|
5.28
|
284
|
56.8
|
4.08
|
|
.3125
|
5/16
|
48.86
|
14.4
|
405
|
57.9
|
5.31
|
242
|
48.4
|
4.11
|
型号
|
理论重量(kg/m)
|
型号
|
理论重量(kg/m)
|
20*20*1.2
|
0.75
|
50*30*2.5
|
3.02
|
25*25*1.2
|
0.94
|
50*30*3
|
3.6
|
40*40*2
|
2.29
|
50*32*2
|
2.2
|
40*40*2.5
|
3.02
|
50*35*2.5
|
3.32
|
40*40*4
|
4.68
|
55*38*2
|
2.8
|
50*50*2.5
|
3.81
|
60*40*2.5
|
3.81
|
50*50*3
|
4.44
|
60*40*3
|
4.44
|
50*50*4
|
5.74
|
60*40*4
|
5.74
|
60*60*2.5
|
4.52
|
70*50*4
|
7.02
|
60*60*3
|
5.38
|
80*60*3
|
7.09
|
60*60*4
|
7.02
|
80*60*4
|
8.22
|
70*70*4
|
8.22
|
80*60*5
|
10.25
|
70*70*5
|
10.2
|
90*40*2.5
|
5.19
|
80*80*4
|
9.96
|
90*60*5
|
10.47
|
80*80*6
|
13.85
|
100*60*3
|
7.3
|
100*100*4
|
11.65
|
100*60*4
|
9.16
|
100*100*8
|
23
|
100*60*5
|
11.53
|
120*120*4
|
14.16
|
100*60*4.5
|
14.41
|
160*160*4.5
|
19.2
|
160*80*4.5
|
15.84
|
220*80*6
|
27.1
|