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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