Dimensions, weight per metre and paint area
RHS 80x40x3 is a rectangular hollow section, 80 × 40 mm with a 3 mm wall, weighing 5.13 kg/m: a 6 m length weighs 30.8 kg and a 12 m length 61.6 kg.
| Size H × B | 80 × 40 mm |
|---|---|
| Wall thickness t | 3 mm |
| Weight per metre | 5.13 kg/m |
|---|---|
| Cross-section area | 6.5 cm² |
| Paint area per metre | 0.240 m²/m |
| Paint area per tonne | 46.8 m²/t |
| 1 m | 5.13 kg |
|---|---|
| 6 m | 30.8 kg |
| 12 m | 61.6 kg |
Weight per metre as listed in Steel Optimizer's section library, checked against the size and thickness in the name. Area is worked out from the mass at 7,850 kg/m³. Paint area is the outside surface for hollow sections (the inside is closed) and both faces for angles, with square corners, so it is on the safe side.
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