Dimension Tolerance
  Outside Dimeter : < 100 mm. ±1.5 mm.
    : > 100 mm. ±1.5 %
  Thickness : < 3.0 mm. ± 0.3 mm.
    : > 3.0 mm. ± 10 %
       
 
   
Size Length inch
Thickness
mm.
Calculate Weight
Cross Section Area
Informative Reference
Geometrical
Moment of Inertia
Modulus of Section
Radius of Gyration
DxB
t
w
a
lx
ly
Zx
Zy
ix
iy
mm.
mm.
kg / m.
cm2
cm4
cm4
cm3
cm3
cm
cm
50x25
1.6
1.75
2.23
7.42
2.47
2.96
1.97
1.82
1.05
2.3
2.43
3.10
10.13
3.29
4.05
2.63
1.80
1.03
3.2
3.24
4.12
13.19
4.17
5.27
3.33
1.78
1.00
60x30
1.6
2.12
2.71
13.07
4.38
4.35
2.92
2.19
1.27
2.3
2.97
3.79
18.01
5.93
6.00
3.95
2.17
1.25
3.2
3.99
5.08
23.71
7.62
7.90
5.08
2.15
1.22
75x38
1.6
2.70
3.44
26.25
9.07
7.00
4.77
2.75
1.62
2.3
3.80
4.84
36.47
12.43
9.72
6.54
2.74
1.60
3.2
5.14
6.55
48.58
16.25
12.95
8.55
2.72
1.57
100x50
1.6
3.63
4.63
62.92
21.48
12.58
8.59
3.68
2.15
2.3
5.14
6.55
88.17
29.77
17.63
11.90
3.66
2.13
3.2
7.00
8.92
118.72
39.51
23.74
15.80
3.64
2.10
4.5
9.55
12.16
159.19
51.90
31.83
20.76
3.61
2.06
6.0
12.27
15.63
200.86
63.92
40.17
25.57
3.58
2.02
125x75
2.3
6.94
8.85
169.77
89.37
31.48
23.83
4.71
3.17
3.2
9.52
12.12
267.03
120.39
42.72
32.10
4.69
3.15
4.5
13.08
16.66
362.21
161.54
57.95
43.07
4.66
3.11
6.0
16.98
21.63
574.02
93.14
76.53
37.25
5.15
2.07
150x50
2.3
6.94
8.85
243.28
42.86
32.43
17.14
5.24
2.20
3.2
9.52
12.12
330.35
57.06
44.04
22.82
5.22
2.16
4.5
13.08
16.66
448.48
75.26
59.79
30.10
5.18
2.12
6.0
16.98
21.63
574.02
93.14
76.53
37.25
5.15
2.077
150x75
2.3
7.85
10
306.00
104.57
40.80
27.88
5.53
3.23
3.2
10.77
13.72
416.57
141.02
55.54
37.60
5.50
3.10
4.5
14.85
18.91
567.60
189.53
75.68
50.54
5.47
3.16
6.0
19.33
24.63
729.63
293.79
97.28
63.94
5.44
3.12
150x100
2.3
8.75
11.15
368.73
197.97
49.16
39.59
5.75
4.21
3.2
12.03
15.32
502.78
268.70
67.03
53.74
5.72
4.18
4.5
16.61
21.16
686.72
364.55
91.56
72.91
5.69
4.15
6.0
21.69
27.63
885.24
466.30
118.03
93.26
5.66
4.10
200x50
3.2
12.03
15.32
696.87
74.61
69.68
29.84
6.74
2.20
4.5
16.61
21.16
952.64
98.63
95.26
39.45
6.70
2.15
6.0
21.69
27.63
1229.18
122.36
122.91
48.94
6.67
2.10
200x100
3.2
14.54
18.52
1006.74
343.69
100.67
68.73
7.37
4.30
4.5
20.15
25.66
1382.69
467.23
138.27
93.44
7.34
4.26
6.0
26.40
33.63
1793.90
599.02
179.39
119.80
7.30
4.22
9.0
38.21
48.67
2547.14
830.42
254.71
166.08
7.23
4.13
 
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