Aluminium unequal angle 35 × 25 × 1.3 mm
It weighs 0.207 kg per metre: a 6 m length weighs 1.24 kg. Here you have the drawing, the dimensions and the weight for different numbers of lengths.
- Code
- 6681
- Type
- Unequal angle
- Dimensions (mm)
- A35B25C1.3
- Weight per metre
- 0.207 kg/m
- 6 m length
- 1.24 kg
- Metres per kilo
- 4.83 m
- Equivalent cross-section
- 76.7 mm²
- How it is measured
- A is the longer leg and B the shorter one; C is the thickness.
How much do the lengths weigh?
| 6 m lengths | 1 | 5 | 10 | 25 | 50 | 100 |
|---|---|---|---|---|---|---|
| Weight | 1.24 kg | 6.21 kg | 12.42 kg | 31.1 kg | 62.1 kg | 124.2 kg |
| Metres | 6 m | 30 m | 60 m | 150 m | 300 m | 600 m |
How much load does the 35 × 25 × 1.3 unequal angle 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 (35 mm high) | 43 kg* | 17 kg | 7.4 kg | 4.2 kg |
| Flat (25 mm high) | 24 kg* | 7.3 kg | 3.2 kg | 1.8 kg |
Moment of inertia 0.99 cm⁴ upright · 0.43 cm⁴ flat; section modulus 0.41 cm³ upright · 0.22 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 unequal angles
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.