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Hot rolled I - beam |
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| Material |
| Steel grades with the chemical composition and the mechanical characteristics according to DIN 17100 |
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| Dimensions, weight and limit tolerances. | ||
| According to DIN 1025/1 | ||
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Symbol |
Dimensions and limit tolerances [mm] |
Weight |
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I |
h | b | t | s, r1 *) | r2 |
Kg/m |
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| 260 | 260 | ±3,0 | 113 | ±2,5 | 14,1 | -1,0 | 9,4 | ±0,5 | 5,6 | 41,4 |
| 280 | 280 | 119 | 15,2 | 10,1 | ±0,6 | 6,1 | 47,9 | |||
| 300 | 300 | 125 | 16,2 | 10,8 | 6,5 | 54,2 | ||||
| 320 | 320 | 131 | ±3,0 | 17,3 | -1,5 | 11,5 | 6,9 | 61,0 | ||
| 360 | 360 | 143 | 19,5 | 13,0 | ±0,7 | 7,8 | 76,1 | |||
| 400 | 400 | 155 | 21,6 | 14,4 | ±0,8 | 8,6 | 92,4 | |||
Shape deviations.
| Maximum inclination of the flanges | 1% of width |
| Web concavity related to height | max. 1,5 mm |
| Web eccentricity | max. 1% of width |
| Bevel of the external flange corners | max. 3 mm |
| Maximum permissible deviation from straightness | 0,0015 x length |
| Length types |
Delivery lengths [m] |
Permitted dev. [mm] |
| Manufacture lengths | 4 - 12 | - |
| Fixed lengths | max. 12 | + 100/ -0 |
| Delivery state | Delivery |
| Rough rolled, straightened and without heat treatment | Without packing and unprotected to corrosion, not bundled or in bundles with the weight of max.3 t. |