Dimensions & Properties of Rectangular Hollow
Sections
Designation
(mm) |
Weight
(Kg/m) |
Area of
Section
(cm2) |
Moment of
Inertia
(cm4) |
Radius of
Gyration
(cm) |
Elastic
Modulus
(cm3) |
Plastic Modulus
(cm3) |
| D x W x T |
- |
- |
X - X |
Y - Y |
X - X |
Y - Y |
X - X |
Y - Y |
X - X |
Y - Y |
| 50 x 25 x 2.9 |
2.98 |
3.80 |
10.93 |
3.60 |
1.70 |
0.97 |
4.37 |
2.88 |
5.72 |
3.48 |
| 50 x 25 x 3.2 |
3.24 |
4.13 |
11.63 |
3.80 |
1.68 |
0.96 |
4.65 |
3.04 |
6.14 |
3.73 |
| 60 x 40 x 2.9 |
4.12 |
5.25 |
24.74 |
13.11 |
2.17 |
1.58 |
8.25 |
6.56 |
10.25 |
7.73 |
| 80 x 40 x 2.9 |
5.03 |
6.41 |
50.87 |
17.11 |
2.82 |
1.63 |
12.72 |
8.56 |
16.07 |
9.88 |
| 80 x 40 x 3.2 |
5.50 |
7.01 |
54.94 |
18.41 |
2.80 |
1.62 |
13.74 |
9.21 |
17.46 |
10.72 |
| 80 x 40 x 40 |
6.71 |
8.55 |
64.79 |
21.49 |
2.75 |
1.59 |
16.20 |
10.74 |
20.91 |
12.77 |
| 100 x 50 x 3.2 |
7.01 |
8.93 |
112.29 |
37.95 |
3.55 |
2.06 |
22.46 |
15.18 |
28.20 |
17.37 |
| 100 x 50 x 4.0 |
8.59 |
10.95 |
134.14 |
44.95 |
3.50 |
2.03 |
26.83 |
17.98 |
34.10 |
20.93 |
|
| Technical
Specifications |
| Relevant Code : |
IS:4923 |
| Dimensional Tolerance |
| Thickness: |
All size ± 10% |
| Length: |
Normal 6.25 meters with
tolerance ± 250mm |
| Straightness: |
Unless otherwise arranged
, the closed structural shall have straightness of Minimum 1:200
on any length measured at the centre of the length (mill
straighten condition) |
| Weight: |
On individual length: ±
10%, -8%. On lots of 10.0 tons ± 7.5% |
| Weldability: |
RHS/SHS are weldable
without any preheating with standard electrodes |
| Physical Properties: |
Minimum yield stress =
310 Mpa, Minimum tensile stress= 410 Mpa, % Elongations: 15 min. |
|
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