Dimensions, weight per metre and paint area
RHS 40x20x3 is a rectangular hollow section, 40 × 20 mm with a 3 mm wall, weighing 2.3 kg/m: a 6 m length weighs 13.8 kg and a 12 m length 27.6 kg.
| Size H × B | 40 × 20 mm |
|---|---|
| Wall thickness t | 3 mm |
| Weight per metre | 2.3 kg/m |
|---|---|
| Cross-section area | 2.9 cm² |
| Paint area per metre | 0.120 m²/m |
| Paint area per tonne | 52.2 m²/t |
| 1 m | 2.3 kg |
|---|---|
| 6 m | 13.8 kg |
| 12 m | 27.6 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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