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Square & Rectangular Hollow Sections

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Technical Specification


Mechanical Properties

Grade UTS YST %Elongation (min)
MPa, (min) MPa, (min) <=25.4 mm >25.4 mm
a Yst 210 330 210 12 20
b Yst 240 410 240 10 15
c Yst 310 450 310 8 10

Physical Specifications

Rectangular Hollow Sections
RHS D X B mm Thickness mm Sec Area A cm² Unit W Kg\m Outer Surface
Area Per mm²
50 X 25 2.00 2.74 2.15 0.142
2.60 3.46 2.71 0.137
3.20 4.13 3.24 0.134
4.00 4.95 3.88 0.129
60 X 40 2.60 4.76 3.73 0.187
2.90 5.25 4.12 0.185
3.60 6.35 4.98 0.181
4.50 7.67 6.02 0.177
66 X 33 2.60 4.70 3.69 0.185
2.90 5.19 4.07 0.183
3.60 6.28 4.93 0.179
4.50 7.58 5.95 0.175
80 X 40 2.60 5.8 4.55 0.227
3.20 7.01 5.5 0.224
4.00 8.55 6.71 0.219
4.80 10.01 7.85 0.215
96 X 48 3.20 8.54 6.71 0.272
4.00 10.47 8.22 0.267
4.80 12.31 9.66 0.263
122 X 61 3.60 12.32 9.67 0.347
4.50 15.14 11.88 0.343
5.40 17.85 14.01 0.338
145 X 82 4.80 20.28 15.92 0.429
5.40 22.6 17.74 0.426
172 X 92 4.80 23.83 18.71 0.503
5.40 26.59 20.88 0.500
200 X 100 4.00 22.95 18.01 0.579
5.00 28.36 22.26 0.574
6.00 33.63 26.4 0.569
8.00 43.79 34.38 0.559
220 X140 4.00 27.75 21.78 0.699
5.00 34.36 26.97 0.694
6.00 40.83 32.05 0.689
8.00 53.39 41.91 0.679
240 X 120 4.00 27.75 21.78 0.699
5.00 34.36 26.97 0.694
6.00 40.83 32.05 0.689
8.00 53.39 41.91 0.679
260 X 180 6.00 50.43 39.59 0.849
8.00 66.19 51.96 0.839
10.0 81.43 63.92 0.834
12.00 96.14 75.47 0.829
300 X 150 6.00 51.63 40.53 0.869
8.00 67.79 53.22 0.859
10.0 83.43 65.49 0.848
12.0 98.54 77.35 0.838
300 X 200 6.0 57.65 45.24 0.969
8.0 75.79 59.5 0.959
10.0 93.43 73.34 0.948
12.0 110.54 86.77 0.938

Square Hollow Sections
SHS B X D mm Thickness mm Sec Area A cm2 Unit W kg/m Outer Surface
Area Per mm2
25 X 25 2.00 1.74 1.36 0.09
2.60 2.16 1.69 0.087
3.20 2.53 1.98 0.084
32 X 32 2.00 2.30 1.80 0.118
2.60 2.88 2.26 0.115
3.20 3.42 2.69 0.112
38 X 38 2.60 3.51 2.75 0.139
3.20 4.19 3.29 0.136
4.00 5.03 3.95 0.131
40 X 40 2.60 3.72 2.92 0.147
3.20 4.45 3.49 0.144
4.00 5.35 4.2 0.139
50 X 50 2.60 4.76 3.74 0.187
2.90 5.25 4.12 0.185
3.60 6.35 4.98 0.181
4.50 7.67 6.02 0.177
60 X 60 2.60 5.8 4.55 0.227
3.20 7.01 5.5 0.224
4.00 8.55 6.71 0.219
4.80 10.01 7.85 0.215
72 X 72 3.20 8.54 6.71 0.272
4.00 10.47 8.22 0.267
4.80 12.31 9.66 0.263
80 X 80 3.20 9.57 7.51 0.304
4.00 11.75 9.22 0.299
4.80 13.85 10.87 0.295
91.5 X 91.5 3.60 12.32 9.67 0.347
4.50 15.14 11.88 0.343
5.40 17.85 14.01 0.338
100 X 100 4.00 14.95 11.73 0.379
5.00 18.36 14.41 0.374
6.00 21.63 16.98 0.369
113.5 X 113.5 4.80 20.28 15.92 0.429
5.40 22.6 17.74 0.426
132 X 132 4.80 23.83 18.71 0.503
5.40 26.6 20.88 0.5
150 X 150 4.00 22.95 18.01 0.579
5.00 28.36 22.26 0.574
6.00 33.63 26.4 0.569
8.00 43.79 34.38 0.559
180 X 180 4.00 27.75 21.78 0.699
5.00 34.36 26.97 0.694
6.00 40.83 32.05 0.689
8.00 53.39 41.91 0.679
220 X 220 6.00 50.43 39.59 0.849
8.00 66.19 51.96 0.839
10.00 81.43 63.92 0.829
12.00 96.14 75.47 0.818
250 X 250 6.00 57.63 45.24 0.969
8.00 75.79 59.5 0.959
10.00 93.49 73.34 0.949
12.00 110.54 86.77 0.938

Dimensional Tolerances

a Thickness ±10%
b Outside Dimension ±1% (±0.5mm min.)
c Weight
1.On individual lengths
2.On lots of 10 tonnes 		+10%,-8%
±7.5%
d Squareness 90° ± 2°
e Corner Radius 3t max.
f Length 6m to 11m
g End Finish Plain End - Mill cut finish