IPN100 Steel Beam, EN 10365
The IPN100 steel beam (EN 10365): depth 100 mm, flange width 50 mm, web thickness 4.5 mm. Available as 6 lengths from 100 to 6000 mm, each as simplified STEP.

How these parts are made, and what the levels mean: read the method
- Also searched as: IPN100 beam, IPN100 x 100 to IPN100 x 6000 beams
- Model id:
en10365-ipn100
- Standard: EN 10365:2017 · size IPN100
Lengths
| Length (mm) | Part key | Simplified |
|---|
| 100 | en10365-ipn100x100 | STEP |
| 250 | en10365-ipn100x250 | STEP |
| 500 | en10365-ipn100x500 | STEP |
| 1000 | en10365-ipn100x1000 | STEP |
| 2000 | en10365-ipn100x2000 | STEP |
| 6000 | en10365-ipn100x6000 | STEP |
Dimensions

| Symbol | Name | min | nom | max | Modeled | Rule | Level |
|---|
| h | Depth | | 100 | | 100 | nominal | L1 |
| b | Flange width | | 50 | | 50 | nominal | L1 |
| tw | Web thickness | | 4.5 | | 4.5 | nominal | L1 |
| tf | Flange thickness | | 6.8 | | 6.8 | nominal | L1 |
| r1 | Root radius | | 4.5 | | 4.5 | nominal | L1 |
| r2 | Toe radius | | 2.7 | | 2.7 | nominal | L1 |
| slope | Flange slope | | 14 | | 14 | nominal | L0 (nom: one source) |
Drawing

As a PDF: CC-EN10365-IPN-SZ-IPN100.pdf.
The IPN100 steel beam beside the IPN80 and the IPN120
The IPN100 is number 2 of the 7 EN 10365 steel beams published here, listed from IPN80 to IPN200.
- Depth (h): 100 mm on the IPN100 steel beam, against 80 mm on the IPN80 and 120 mm on the IPN120.
- Flange width (b): 50 mm on the IPN100 steel beam, against 42 mm on the IPN80 and 58 mm on the IPN120.
- Web thickness (tw): 4.5 mm on the IPN100 steel beam, against 3.9 mm on the IPN80 and 5.1 mm on the IPN120.
- Flange thickness (tf): 6.8 mm on the IPN100 steel beam, against 5.9 mm on the IPN80 and 7.7 mm on the IPN120.
- Root radius (r1): 4.5 mm on the IPN100 steel beam, against 3.9 mm on the IPN80 and 5.1 mm on the IPN120.
- Toe radius (r2): 2.7 mm on the IPN100 steel beam, against 2.3 mm on the IPN80 and 3.1 mm on the IPN120.
- Flange slope (slope): 14 mm on the IPN100 steel beam, the same on the IPN80 and the IPN120.
Other sizes
Documents
Sources
arcelormittal-en10365-ipn, schweizer-fn-en10365-ipn, stad-en10365-ipn. Full citations: the method page and this size's datasheet.
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