Aluminium T section 50.8 × 50.8 × 3 mm
It weighs 0.798 kg per metre: a 6 m length weighs 4.79 kg. Here you have the drawing, the dimensions and the weight for different numbers of lengths.
- Code
- 6012
- Type
- T section
- Dimensions (mm)
- A50.8B50.8C3
- Weight per metre
- 0.798 kg/m
- 6 m length
- 4.79 kg
- Metres per kilo
- 1.25 m
- Equivalent cross-section
- 295.7 mm²
- In inches
- 2" × 2"
- How it is measured
- A is the flange width; B is the web height; C is the thickness. CR: rounded edge. It is a different profile, not the same size.
How much do the lengths weigh?
| 6 m lengths | 1 | 5 | 10 | 25 | 50 | 100 |
|---|---|---|---|---|---|---|
| Weight | 4.79 kg | 23.94 kg | 47.88 kg | 119.7 kg | 239.4 kg | 478.8 kg |
| Metres | 6 m | 30 m | 60 m | 150 m | 300 m | 600 m |
How much load does the 50.8 × 50.8 × 3 T section 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 |
|---|---|---|---|---|
| Upright (50.8 mm high) | 215 kg* | 110 kg* | 56 kg | 32 kg |
| Flat (50.8 mm high) | 135 kg* | 56 kg | 25 kg | 14 kg |
Moment of inertia 7.51 cm⁴ upright · 3.29 cm⁴ flat; section modulus 2.03 cm³ upright · 1.29 cm³ flat. * 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 T sections
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.