IPN · EN 10365

IPN 340

IPN 340 is a European hot-rolled I-beam with tapered flanges (IPN) per EN 10365: height 340 mm, flange width 137 mm, weight 68 kg/m, cross-section area 86.7 cm², moment of inertia Iy = 15700 cm⁴, elastic section modulus Wel,y = 923 cm³.

Cross section · mm

340Height h · mm

137Flange width b · mm

86.70Area A · cm²

68.00Mass G · kg/m

Geometry

Height340.00 mm

Flange width137.00 mm

Flange thickness t_f18.30 mm

Web thickness t_w12.20 mm

Fillet radius r12.20 mm

Toe radius r₂7.30 mm

Cross-section area A86.700 cm²

Weight G
steel 7850 kg/m³68.00kg/m

Section properties

I15 700.000 cm⁴674.000 cm⁴

W_el923.000 cm³98.400 cm³

W_pl1 080.000 cm³166.000 cm³

i134.00 mm27.80 mm

Torsion & LT buckling

Torsion constant I_t90.400 cm⁴

Warping constant I_w176 000.0 cm⁶

Reference

Profile standardEN 10365

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of IPN 340 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/ 286.2 kN·m

Shear/ 661.8 kN

Compression/ 469.6 kN

Steelγ_M0γ_M1L_crmmkf_y265MPaClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl286.2 kN·m / 44.0 kN·m

V_c,z,Rd / V_c,y,RdA_v = 4326 mm²661.8 kN / 767.2 kN

N_pl,Rd / N_b,Rd2.30 MN / 469.6 kN

N_cr,y / N_cr,z13.02 MN / 558.8 kN

f_ytf = 18.3 mm > 16 mm, EN 10025-2265 MPa

γ_M0 / γ_M11.00 / 1.00

Curve b · χ0.20

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.