IPN · EN 10365

IPN 80

IPN 80 is a European hot-rolled I-beam with tapered flanges (IPN) per EN 10365: height 80 mm, flange width 42 mm, weight 5.9 kg/m, cross-section area 7.6 cm², moment of inertia Iy = 77.8 cm⁴, elastic section modulus Wel,y = 19.5 cm³.

Cross section · mm

80Height h · mm

42Flange width b · mm

7.57Area A · cm²

5.90Mass G · kg/m

Geometry

Height80.00 mm

Flange width42.00 mm

Flange thickness t_f5.90 mm

Web thickness t_w3.90 mm

Fillet radius r3.90 mm

Toe radius r₂2.30 mm

Cross-section area A7.570 cm²

Weight G
steel 7850 kg/m³5.90kg/m

Section properties

I77.800 cm⁴6.290 cm⁴

W_el19.500 cm³3.000 cm³

W_pl22.800 cm³5.000 cm³

i32.00 mm9.10 mm

Torsion & LT buckling

Torsion constant I_t0.870 cm⁴

Warping constant I_w90.0 cm⁶

Reference

Profile standardEN 10365

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of IPN 80 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/ 6.3 kN·m

Shear/ 52.5 kN

Compression/ 5.0 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl6.3 kN·m / 1.4 kN·m

V_c,z,Rd / V_c,y,RdA_v = 330 mm²52.5 kN / 78.7 kN

N_pl,Rd / N_b,Rd208.2 kN / 5.0 kN

N_cr,y / N_cr,z64.5 kN / 5.2 kN

f_yEN 10025-2275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve b · χ0.02

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.