IPN 400 is one of the IPN beams of the European library (european i beams with tapered flanges): 400 mm deep and 155 mm wide, web 14.4 mm, flanges 21.6 mm, 92.4 kg/m, area 118 cm².
| Dimension | Value | Description |
|---|---|---|
| h | 400 mm | Overall depth |
| b | 155 mm | Overall width (flange width, or leg length) |
| tw | 14.4 mm | Web thickness |
| tf | 21.6 mm | Flange thickness |
| r1 | 14.4 mm | Root radius (fillet between flange and web), or external corner radius for hollow sections |
| r2 | 8.6 mm | Toe radius of the flange, or internal corner radius for hollow sections |
| d | 322.9 mm | Depth of the straight portion of the web between fillets |
| ss | 79.3 mm | Stiff bearing length |
| G | 92.4 kg/m | Mass per metre |
| A | 118 cm² | Cross-sectional area |
| AL | 1.33 m²/m | Painting surface per metre |
| AG | 14.36 m²/t | Painting surface per tonne |
Section properties
The structural properties of IPN 400 are available in the Steel Profiles app with the European library:
- Iy, Wel,y, Wpl,y, iy
- Avz shear area
- Iz, Wel,z, Wpl,z, iz
- IT and Iw
- Maximum bolt size and flange gauges
- EN 1993-1-1 class for S235, S355 and S460
The app also runs design checks to EN 1993-1-1 on IPN 400, finds the closest sections in the AISC, British, Canadian and Australian standards and compares it side by side with any other section.
Full properties in Steel Profiles
The free app shows IPN 400 with its dimensions and drawing on iPhone, iPad and Mac. The European library unlocks the complete structural properties, the design checks to Eurocode 3, the Equivalent Finder across standards and the comparison of up to three sections. Favorites, weight lists and saved sections sync through iCloud.