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Steel square bars: dimensions, mass and inertia
Compare solid square bars by side dimension, linear mass and section properties.
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The values below are recalculated from simplified nominal geometry. Open a designation to inspect its diagram, dimensions and all available properties.
Squares
Comparison table
Square bars
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| Designation | Main dimensions | A | Mass | Ix | Iy | Wx | Wy |
|---|---|---|---|---|---|---|---|
| 20 × 20 | a=20 mm | 4 cm² | 3.14 kg/m | 1.3333 cm⁴ | 1.3333 cm⁴ | 1.3333 cm³ | 1.3333 cm³ |
| 25 × 25 | a=25 mm | 6.25 cm² | 4.9063 kg/m | 3.2552 cm⁴ | 3.2552 cm⁴ | 2.6042 cm³ | 2.6042 cm³ |
| 30 × 30 | a=30 mm | 9 cm² | 7.065 kg/m | 6.75 cm⁴ | 6.75 cm⁴ | 4.5 cm³ | 4.5 cm³ |
| 40 × 40 | a=40 mm | 16 cm² | 12.56 kg/m | 21.333 cm⁴ | 21.333 cm⁴ | 10.667 cm³ | 10.667 cm³ |
| 50 × 50 | a=50 mm | 25 cm² | 19.625 kg/m | 52.083 cm⁴ | 52.083 cm⁴ | 20.833 cm³ | 20.833 cm³ |
| 60 × 60 | a=60 mm | 36 cm² | 28.26 kg/m | 108 cm⁴ | 108 cm⁴ | 36 cm³ | 36 cm³ |
| 80 × 80 | a=80 mm | 64 cm² | 50.24 kg/m | 341.33 cm⁴ | 341.33 cm⁴ | 85.333 cm³ | 85.333 cm³ |
| 100 × 100 | a=100 mm | 100 cm² | 78.5 kg/m | 833.33 cm⁴ | 833.33 cm⁴ | 166.67 cm³ | 166.67 cm³ |
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Area is used for linear mass, section modulus for bending, and radius of gyration for buckling.