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Concrete Hollow Section
Weight Calculation
How is the weight of Concrete Hollow Section calculated?
Hollow section weight is the outer cross-section minus the hollow core: (height × width − (height − 2 × wall) × (width − 2 × wall)) × length × density. One metre of 40 × 40 × 3 mm Concrete Hollow Section weighs about 1.066 kg.
What is the density of Concrete?
The density of Concrete is taken as 2.4 g/cm³ (2,400 kg/m³).
Concrete Hollow Section weight table for standard sizes
| Size (mm) | Weight (kg/m) |
|---|---|
| 20 × 20 × 2 | 0.346 |
| 30 × 30 × 2 | 0.538 |
| 40 × 40 × 3 | 1.066 |
| 50 × 50 × 3 | 1.354 |
| 60 × 40 × 3 | 1.354 |
| 100 × 100 × 5 | 4.560 |
How accurate is the calculated weight?
Values are theoretical; production tolerances and corner radii can make the actual weight differ by 2–5%.