Rectangular Hollow Sections & Square Hollow Sections

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Rectangular Hollow Sections & Square Hollow Sections

Rectangular Hollow section & Square hollow Section features a high strength to weight ratio that results in savings in steel and costs. The sections are best suited for welding, are corrosion resistant, and easily bendable which leads to the shaping and construction of aesthetically appealing structures without compromising on strength and durability.

The thickness of these steel hollow sections vary from 1.00 mm to 10 mm, depending on what application the tubes would service

Steel box hollow sections are available in two categories –

  • Square hollow sections (SHS) – These are manufactured up to a maximum size of 300 x 300 mm
  • Rectangular hollow sections (RHS) – These are manufactured up to a maximum size of 400 x 200 mm
RECTANGULAR HOLLOW SECTIONS
Dimensions and Properties of RHS AS PER IS : 4923
RHS D*BThicknessSec AreaUnit WtElastic ModulusOuter Surface
(mm)tAWzxxzyyArea per m
(MM)cm2kg/mcm3cm3m2
50*252.0
2.6
3.2
4.0
2.74
3.46
4.13
4.95
2.15
2.71
3.24
3.88
3.35
4.06
4.35
5.25
2.25
2.69
3.04
3.38
0.14
0.14
0.13
0.13
60*402.6
2.9
3.6
4.5
4.76
5.25
6.35
7.67
3.73
4.12
4.98
6.02
7.59
8.25
9.63
11.10
6.05
6.56
7.62
8.72
0.19
0.19
0.18
0.18
66*332.6
2.9
3.6
4.5
4.70
5.19
6.28
7.58
3.69
4.07
4.93
5.95
7.62
8.28
9.66
11.10
5.11
5.53
6.37
7.23
0.19
0.19
0.18
0.18
80*402.6
2.9
3.2
4.0
4.8
5.80
6.41
7.01
8.55
10.01
4.55
5.03
5.50
6.71
7.85
11.65
12.72
13.74
16.20
18.30
7.87
8.56
9.21
10.74
12.02
0.23
0.23
0.22
0.22
0.22
96*483.2
4.0
4.8
8.45
10.57
12.31
6.71
8.22
9.66
20.54
24.49
27.99
13.87
16.38
18.56
0.27
0.27
0.26
122*613.6
4.5
5.4
12.32
15.14
17.85
9.67
11.88
14.01
38.13
45.73
52.60
25.84
30.75
35.09
0.35
0.34
0.34
145*824.8
5.4
20.28
22.60
15.92
17.74
76.57
84.26
55.73
61.12
0.43
0.43
172*924.8
5.4
23.83
26.59
18.71
20.88
106.64
117.73
75.41
82.99
0.50
0.50
200*1004.0
5.0
6.0
7.0
8.0
22.95
28.36
33.63
38.78
43.79
18.01
22.26
26.40
30.44
34.38
119.97
145.93
170.33
193.22
214.62
82.16
99.39
115.38
130.19
143.84
0.58
0.57
0.57
0.56
0.56
240*1204.0
5.0
6.0
7.0
8.0
9.0
10.0
27.45
34.36
40.83
47.18
53.39
59.47
65.42
21.78
26.97
32.05
37.03
41.91
46.69
51.36
175.89
214.97
252.16
287.49
320.99
352.69
382.63
120.89
147.08
171.74
194.92
216.66
237.00
255.99
0.70
0.69
0.69
0.68
0.68
0.67
0.67
300*1504.0
5.0
6.0
7.0
8.0
9.0
10.0
34.95
43.36
51.63
59.78
67.79
75.67
83.42
27.43
34.03
40.53
46.93
53.22
59.40
65.49
279.78
343.54
404.90
463.89
520.53
574.87
626.93
192.99
236.12
277.28
316.52
353.88
389.42
423.16
0.88
0.87
0.87
0.86
0.86
0.85
0.85
SQUARE HOLLOW SECTIONS
Dimensions and Properties of SHS AS PER IS : 4923
SHS D*BThicknessSec AreaUnit WtElastic ModulusOuter Surface
(mm)tAWzxxzyyArea per m
(MM)cm2kg/mcm3cm3m2
25*251.6
2.0
2.6
3.2
1.43
1.74
2.16
2.53
1.12
1.36
1.69
1.98
1.02
1.19
1.38
1.51
1.02
1.19
1.38
1.51
0.09
0.09
0.09
0.08
32*322.0
2.6
3.2
2.3
2.88
3.42
1.8
2.26
2.69
2.10
2.51
2.84
2.10
2.51
2.84
0.12
0.12
0.11
38*382.0
2.6
3.2
4.0
2.78
3.72
4.45
5.35
2.18
2.92
3.49
4.2
3.10
3.76
4.30
4.87
3.10
3.76
4.30
4.87
0.15
0.15
0.14
0.14
49.5*49.52.6
2.9
3.6
4.5
4.70
5.19
6.28
7.58
3.69
4.07
4.93
5.95
6.83
7.42
8.66
9.96
6.83
7.42
8.66
9.96
0.19
0.19
0.18
0.18
60*602.6
2.9
3.2
4.0
4.8
5.80
6.41
7.01
8.55
10.01
4.55
5.03
5.50
6.71
7.85
10.44
11.40
12.31
14.52
16.41
10.44
11.40
12.31
14.52
16.41
0.23
0.23
0.22
0.22
0.22
72*723.2
4.0
4.8
8.54
10.47
12.31
6.71
8.22
9.66
18.42
21.95
25.09
18.42
21.95
25.09
0.27
0.27
0.26
80*803.2
4.0
4.8
9.57
11.57
13.85
7.51
9.22
10.87
23.18
27.76
31.89
23.18
27.76
31.89
0.30
0.30
0.30
91.5*91.53.6
4.5
5.4
12.32
15.4
17.85
9.67
11.88
14.01
34.21
41.00
47.41
34.21
41.00
47.41
0.35
0.34
0.34
100*1004.0
5.0
6.0
14.95
18.36
21.63
11.73
14.41
16.98
-
-
-
-
-
-
-
-
-
113.5*113.54.8
5.4
20.28
22.60
15.92
17.74
69.30
76.23
69.30
76.23
0.43
0.43
132*1324.8
5.4
23.83
26.59
16.71
20.88
96.12
106.08
96.12
106.08
0.50
0.50
150*1504.0
5.0
6.0
7.0
8.0
22.95
28.36
33.63
33.78
43.79
18.01
22.26
26.40
30.44
44.38
107.71
130.95
152.70
173.26
192.40
107.71
130.95
152.70
173.26
192.40
0.58
0.57
0.57
0.56
0.56
180*1804.0
5.0
6.0
7.0
8.0
27.75
40.83
43.36
47.18
53.39
21.78
26.97
32.05
33.03
41.91
157.97
192.99
226.28
257.89
287.86
157.97
192.99
226.28
257.89
287.86
0.70
0.69
0.69
0.68
0.68
220*2204.0
5.0
6.0
7.0
8.0
34.15
42.36
50.43
58.38
66.19
26.61
33.25
39.58
45.83
51.96
239.92
294.37
346.67
396.67
445.00
239.92
294.37
346.67
396.67
445.00
0.86
0.85
0.85
0.84
0.84
250*2504.0
5.0
6.0
7.0
8.0
38.95
48.36
57.63
66.78
75.79
30.57
37.96
45.24
52.42
59.50
312.58
384.40
453.76
520.70
585.25
312.58
384.40
453.76
520.70
585.25
0.98
0.97
0.97
0.96
0.96
TOLERENCE
1) THICKNESS:                                 +-10%
2) Outside Dimensions of Sides:+-1mm
3)Weight on Individual Lengths:+10%-8%
GRADE:YST 210,240,310,350

1.Why Rectangular hollow sections are more used compared to channels

For structural works in industries or at factories instead of using Ms channels, hollow sections can be used which is of great strength, durability and easy to install by saving time and labor.

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