IPN 100
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 | 100 mm | 3.937 in |
| Flange width, b_f | 50 mm | 1.9685 in |
| Web thickness, t_w | 4.5 mm | 0.177165 in |
| Flange thickness, t_f | 6.8 mm | 0.267717 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1,710,000 mm⁴ | 4.1083 in⁴ |
| Elastic modulus, Sₓ | 34,200 mm³ | 2.087 in³ |
| Plastic modulus, Zₓ | 39,800 mm³ | 2.4287 in³ |
| Radius of gyration, rₓ | 40 mm | 1.5748 in |
| Distance to top fibre | 50 mm | 1.9685 in |
| Distance to bottom fibre | 50 mm | 1.9685 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 122,000 mm⁴ | 0.293106 in⁴ |
| Elastic modulus, S_y | 4,880 mm³ | 0.297796 in³ |
| Plastic modulus, Z_y | 8,100 mm³ | 0.494292 in³ |
| Radius of gyration, r_y | 11 mm | 0.433071 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 16,000 mm⁴ | 0.03844 in⁴ |
| Warping constant, C_w | 270,000,000 mm⁶ | 1.0055 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 8.3 kg/m | 5.5773 lb/ft |