IPN 220
IPN taper flange beams from Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 220 mm | 8.6614 in |
| Flange width, b_f | 98 mm | 3.8583 in |
| Web thickness, t_w | 8.1 mm | 0.318898 in |
| Flange thickness, t_f | 12.2 mm | 0.480315 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 30,600,000 mm⁴ | 73.5168 in⁴ |
| Elastic modulus, Sₓ | 278,000 mm³ | 16.9646 in³ |
| Plastic modulus, Zₓ | 324,000 mm³ | 19.7717 in³ |
| Radius of gyration, rₓ | 88 mm | 3.4646 in |
| Distance to top fibre | 110 mm | 4.3307 in |
| Distance to bottom fibre | 110 mm | 4.3307 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 1,620,000 mm⁴ | 3.8921 in⁴ |
| Elastic modulus, S_y | 33,100 mm³ | 2.0199 in³ |
| Plastic modulus, Z_y | 55,700 mm³ | 3.399 in³ |
| Radius of gyration, r_y | 20 mm | 0.787402 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 186,000 mm⁴ | 0.446867 in⁴ |
| Warping constant, C_w | 1.78000e+10 mm⁶ | 66.2854 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 31.1 kg/m | 20.8982 lb/ft |