Aluminium rectangular tube 38 × 38 × 1.3 mm
It weighs 0.434 kg per metre: a 6 m length weighs 2.6 kg. Here you have the drawing, the dimensions and the weight for different numbers of lengths.
- Code
- 7211
- Type
- Rectangular tube
- Dimensions (mm)
- A38B38C1.3
- Weight per metre
- 0.434 kg/m
- 6 m length
- 2.6 kg
- Metres per kilo
- 2.3 m
- Equivalent cross-section
- 160.8 mm²
- How it is measured
- A and B are the outside sides; C is the wall thickness.
How much do the lengths weigh?
| 6 m lengths | 1 | 5 | 10 | 25 | 50 | 100 |
|---|---|---|---|---|---|---|
| Weight | 2.6 kg | 13.02 kg | 26.04 kg | 65.1 kg | 130.2 kg | 260.4 kg |
| Metres | 6 m | 30 m | 60 m | 150 m | 300 m | 600 m |
How much load does the 38 × 38 × 1.3 rectangular tube take?
Supported at both ends, with the load at midspan: how many kilos it takes before it bends more than 1/200 of the span (what windows and light structures usually accept) or goes past the elastic limit of 6063-T5 aluminium.
| Span | 0.5 m | 1 m | 1.5 m | 2 m |
|---|---|---|---|---|
| Load at midspan | 240 kg* | 72 kg | 32 kg | 18 kg |
Moment of inertia 4.29 cm⁴; section modulus 2.26 cm³. * Here the strength of the material governs, not the deflection. A guidance calculation for a straight beam with sharp corners, E = 69 GPa, without its own weight or buckling of thin walls: for a structure, the check must be done by an engineer.
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Other sizes of rectangular tubes
Data from the Perfiles de Aluminio standard profile catalogue, 2026 edition, published with its permission. The weight per metre is the one declared by the manufacturer; the actual weight may vary within the tolerances of the standard. The equivalent cross-section is calculated with a density of 2.699 g/cm³. Standard length: 6 m.