Heavy I shape beam factory direct sales load-bearing
Heavy I shape beam factory direct sales load-bearing
I shape beam core specification parameter table
| Model classification | Cross-section height (mm) | Leg width (mm) | Waist thickness (mm) | Unit weight (kg/m) | Ultimate load bearing (tons) |
| National standard Q235 | |||||
| Ⅰ50a | 500 | 158 | 16 | 106.2 | 22 |
| Ⅰ63c | 630 | 180 | 22 | 181.2 | 48 |
| American standard ASTM | |||||
| W24×146 | 610 | 324 | 27 | 217 | 65 |
| W36×256 | 910 | 418 | 35 | 381 | 120 |
| European standard S355 | |||||
| HEB 400 | 400 | 300 | 24 | 167 | 35 |
| HEB 600 | 600 | 320 | 40 | 350 | 90 |
Note: The ultimate load bearing refers to the reference value of the concentrated load at the center of a 6-meter span simply supported beam (safety factor 1.5)
This article The most comprehensive I shape beam 7 specifications and scenarios in 2025 introduces different specifications and scenarios in detail
Golden rule for I shape beam selection
Span determines height:
<6m span → choose below Ⅰ40
6-15m span → Ⅰ50-Ⅰ63
>15m span → above W24
Dynamic load requires reinforcement:
Crane beams must be welded with vertical stiffening ribs (spacing ≤1.2m)
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