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Steel Weight Chart
Unit weights for the common structural steel products — use them to convert lengths and areas into tonnage.
Plate & sheet
Steel plate weighs 7.85 kg/m² per mm of thickness. Example: 10 mm plate = 78.5 kg/m².
Bar (per metre)
| Section | Formula (kg/m) |
|---|---|
| Round bar Ø d (mm) | 0.006165 × d² |
| Square bar a (mm) | 0.00785 × a² |
| Flat bar w×t (mm) | 0.00785 × w × t |
Typical beam & angle weights
| Section | Approx. kg/m |
|---|---|
| IPE 200 | 22.4 |
| IPE 300 | 42.2 |
| HEB 200 | 61.3 |
| Angle 100×100×10 | 15.0 |
| UPN 200 | 25.3 |
| SHS 100×100×5 | 14.8 |
For rebar see the rebar sizes and weights chart. We supply all sections — H-beam, angle, plate, hollow section.
Frequently asked questions
How much does steel plate weigh?
7.85 kg per m² for every 1 mm of thickness — so 10 mm plate is 78.5 kg/m².
How do I calculate round bar weight?
kg/m = 0.006165 × diameter² (mm). A 20 mm bar = 2.47 kg/m.
What is the density of steel?
About 7,850 kg/m³ (7.85 g/cm³) for carbon steel.
Need mill-certified steel in bulk?
Steel Pro Rebar Germany Gmbh exports structural steel, rebar, coil, plate and sections worldwide with EN 10204 3.1 MTCs.
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