IPN · EN 10365

IPN 280

IPN 280 is a European hot-rolled I-beam with tapered flanges (IPN) per EN 10365: height 280 mm, flange width 119 mm, weight 47.9 kg/m, cross-section area 61 cm², moment of inertia Iy = 7590 cm⁴, elastic section modulus Wel,y = 542 cm³.

Cross section · mm

280Height h · mm

119Flange width b · mm

61.00Area A · cm²

47.90Mass G · kg/m

Geometry

Height280.00 mm

Flange width119.00 mm

Flange thickness t_f15.20 mm

Web thickness t_w10.10 mm

Fillet radius r10.10 mm

Toe radius r₂6.10 mm

Cross-section area A61.000 cm²

Weight G
steel 7850 kg/m³47.90kg/m

Section properties

I7 590.000 cm⁴364.000 cm⁴

W_el542.000 cm³61.200 cm³

W_pl632.000 cm³103.000 cm³

i111.00 mm24.40 mm

Torsion & LT buckling

Torsion constant I_t44.200 cm⁴

Warping constant I_w64 600.0 cm⁶

Reference

Profile standardEN 10365

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of IPN 280 for your design forces

Find the lightest section Compare sections

Enter the design loads and the section is checked for bending, shear and compression with flexural buckling.

Bending/ 173.8 kN·m

Shear/ 467.3 kN

Compression/ 261.0 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl173.8 kN·m / 28.3 kN·m

V_c,z,Rd / V_c,y,RdA_v = 2943 mm²467.3 kN / 574.4 kN

N_pl,Rd / N_b,Rd1.68 MN / 261.0 kN

N_cr,y / N_cr,z6.29 MN / 301.8 kN

f_yEN 10025-2275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve b · χ0.16

Yield strength is taken from the product standard for the governing thickness, so above 16 mm it is lower than the nominal grade. Simplified checks per EN 1993-1-1, without M+N+V interaction, without lateral-torsional buckling and without web shear buckling. Verify with a full design.