Flat Bars
Source: legacy catalogue โ UNVERIFIED. No exact accepted official spreadsheet match has been applied. Verify against the applicable manufacturer or standard table.
Not yet verified against an official manufacturer table โ check before use.
EN 10058 ยท 30 sections
Free Reference DataFlat bars are rectangular cross-section steel bars per EN 10058. They are among the most versatile steel products, used in base plates, gussets, stiffeners, and a wide range of fabricated connections.
Axes: y-y / z-z. Values from the shared section record; โ means unavailable.
Reference values โ verify against the current edition of the applicable standard or manufacturer's table before design use.
| Section | A (cmยฒ) | G (kg/m) | Major I (cmโด) | Minor I (cmโด) | Major elastic modulus (cmยณ) | Minor elastic modulus (cmยณ) |
|---|---|---|---|---|---|---|
| FB 20ร3 Not yet verified against an official manufacturer table โ check before use. | 0.6 | 0.47 | 0.2 | โ | 0.2 | โ |
| FB 25ร4 Not yet verified against an official manufacturer table โ check before use. | 1 | 0.79 | 0.521 | โ | 0.417 | โ |
| FB 30ร4 Not yet verified against an official manufacturer table โ check before use. | 1.2 | 0.94 | 0.9 | โ | 0.6 | โ |
| FB 30ร5 Not yet verified against an official manufacturer table โ check before use. | 1.5 | 1.18 | 1.125 | โ | 0.75 | โ |
| FB 40ร4 Not yet verified against an official manufacturer table โ check before use. | 1.6 | 1.26 | 2.133 | โ | 1.067 | โ |
| FB 40ร5 Not yet verified against an official manufacturer table โ check before use. | 2 | 1.57 | 2.667 | โ | 1.333 | โ |
| FB 40ร6 Not yet verified against an official manufacturer table โ check before use. | 2.4 | 1.88 | 3.2 | โ | 1.6 | โ |
| FB 50ร5 Not yet verified against an official manufacturer table โ check before use. | 2.5 | 1.96 | 5.208 | โ | 2.083 | โ |
| FB 50ร6 Not yet verified against an official manufacturer table โ check before use. | 3 | 2.36 | 6.25 | โ | 2.5 | โ |
| FB 50ร8 Not yet verified against an official manufacturer table โ check before use. | 4 | 3.14 | 8.333 | โ | 3.333 | โ |
| FB 60ร6 Not yet verified against an official manufacturer table โ check before use. | 3.6 | 2.83 | 10.8 | โ | 3.6 | โ |
| FB 60ร8 Not yet verified against an official manufacturer table โ check before use. | 4.8 | 3.77 | 14.4 | โ | 4.8 | โ |
| FB 60ร10 Not yet verified against an official manufacturer table โ check before use. | 6 | 4.71 | 18 | โ | 6 | โ |
| FB 70ร8 Not yet verified against an official manufacturer table โ check before use. | 5.6 | 4.4 | 22.867 | โ | 6.533 | โ |
| FB 80ร6 Not yet verified against an official manufacturer table โ check before use. | 4.8 | 3.77 | 25.6 | โ | 6.4 | โ |
| FB 80ร8 Not yet verified against an official manufacturer table โ check before use. | 6.4 | 5.02 | 34.133 | โ | 8.533 | โ |
| FB 80ร10 Not yet verified against an official manufacturer table โ check before use. | 8 | 6.28 | 42.667 | โ | 10.667 | โ |
| FB 80ร12 Not yet verified against an official manufacturer table โ check before use. | 9.6 | 7.54 | 51.2 | โ | 12.8 | โ |
| FB 100ร8 Not yet verified against an official manufacturer table โ check before use. | 8 | 6.28 | 66.667 | โ | 13.333 | โ |
| FB 100ร10 Not yet verified against an official manufacturer table โ check before use. | 10 | 7.85 | 83.333 | โ | 16.667 | โ |
| FB 100ร12 Not yet verified against an official manufacturer table โ check before use. | 12 | 9.42 | 100 | โ | 20 | โ |
| FB 100ร15 Not yet verified against an official manufacturer table โ check before use. | 15 | 11.8 | 125 | โ | 25 | โ |
| FB 120ร10 Not yet verified against an official manufacturer table โ check before use. | 12 | 9.42 | 144 | โ | 24 | โ |
| FB 120ร12 Not yet verified against an official manufacturer table โ check before use. | 14.4 | 11.3 | 172.8 | โ | 28.8 | โ |
| FB 150ร10 Not yet verified against an official manufacturer table โ check before use. | 15 | 11.8 | 281.25 | โ | 37.5 | โ |
| FB 150ร12 Not yet verified against an official manufacturer table โ check before use. | 18 | 14.1 | 337.5 | โ | 45 | โ |
| FB 150ร15 Not yet verified against an official manufacturer table โ check before use. | 22.5 | 17.7 | 421.875 | โ | 56.25 | โ |
| FB 200ร12 Not yet verified against an official manufacturer table โ check before use. | 24 | 18.8 | 800 | โ | 80 | โ |
| FB 200ร15 Not yet verified against an official manufacturer table โ check before use. | 30 | 23.6 | 1000 | โ | 100 | โ |
| FB 200ร20 Not yet verified against an official manufacturer table โ check before use. | 40 | 31.4 | 1333.33 | โ | 133.333 | โ |