IPN · EN 10365

IPN 320

IPN 320 is a European hot-rolled I-beam with tapered flanges (IPN) per EN 10365: height 320 mm, flange width 131 mm, weight 61 kg/m, cross-section area 77.7 cm², moment of inertia Iy = 12510 cm⁴, elastic section modulus Wel,y = 782 cm³.

Cross section · mm

320Height h · mm

131Flange width b · mm

77.70Area A · cm²

61.00Mass G · kg/m

Geometry

Height320.00 mm

Flange width131.00 mm

Flange thickness t_f17.30 mm

Web thickness t_w11.50 mm

Fillet radius r11.50 mm

Toe radius r₂6.90 mm

Cross-section area A77.700 cm²

Weight G
steel 7850 kg/m³61.00kg/m

Section properties

I12 510.000 cm⁴555.000 cm⁴

W_el782.000 cm³84.700 cm³

W_pl914.000 cm³143.000 cm³

i127.00 mm26.70 mm

Torsion & LT buckling

Torsion constant I_t72.500 cm⁴

Warping constant I_w129 000.0 cm⁶

Reference

Profile standardEN 10365

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of IPN 320 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/ 242.2 kN·m

Shear/ 586.6 kN

Compression/ 390.1 kN

Steelγ_M0γ_M1L_crmmkf_y265MPaClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl242.2 kN·m / 37.9 kN·m

V_c,z,Rd / V_c,y,RdA_v = 3834 mm²586.6 kN / 693.5 kN

N_pl,Rd / N_b,Rd2.06 MN / 390.1 kN

N_cr,y / N_cr,z10.37 MN / 460.1 kN

f_ytf = 17.3 mm > 16 mm, EN 10025-2265 MPa

γ_M0 / γ_M11.00 / 1.00

Curve b · χ0.19

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.