IPN · EN 10365

IPN 400

IPN 400 is a European hot-rolled I-beam with tapered flanges (IPN) per EN 10365: height 400 mm, flange width 155 mm, weight 92.4 kg/m, cross-section area 117.7 cm², moment of inertia Iy = 29210 cm⁴, elastic section modulus Wel,y = 1460 cm³.

Cross section · mm

400Height h · mm

155Flange width b · mm

117.70Area A · cm²

92.40Mass G · kg/m

Geometry

Height400.00 mm

Flange width155.00 mm

Flange thickness t_f21.60 mm

Web thickness t_w14.40 mm

Fillet radius r14.40 mm

Toe radius r₂8.60 mm

Cross-section area A117.700 cm²

Weight G
steel 7850 kg/m³92.40kg/m

Section properties

I29 210.000 cm⁴1 160.000 cm⁴

W_el1 460.000 cm³149.000 cm³

W_pl1 714.000 cm³253.000 cm³

i157.00 mm31.30 mm

Torsion & LT buckling

Torsion constant I_t170.000 cm⁴

Warping constant I_w420 000.0 cm⁶

Reference

Profile standardEN 10365

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of IPN 400 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/ 454.2 kN·m

Shear/ 919.1 kN

Compression/ 785.5 kN

Steelγ_M0γ_M1L_crmmkf_y265MPaClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl454.2 kN·m / 67.0 kN·m

V_c,z,Rd / V_c,y,RdA_v = 6007 mm²919.1 kN / 1.02 MN

N_pl,Rd / N_b,Rd3.12 MN / 785.5 kN

N_cr,y / N_cr,z24.22 MN / 961.7 kN

f_ytf = 21.6 mm > 16 mm, EN 10025-2265 MPa

γ_M0 / γ_M11.00 / 1.00

Curve b · χ0.25

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.