IPN · EN 10365

IPN 300

IPN 300 is a European hot-rolled I-beam with tapered flanges (IPN) per EN 10365: height 300 mm, flange width 125 mm, weight 54.2 kg/m, cross-section area 69 cm², moment of inertia Iy = 9800 cm⁴, elastic section modulus Wel,y = 653 cm³.

Cross section · mm

300Height h · mm

125Flange width b · mm

69.00Area A · cm²

54.20Mass G · kg/m

Geometry

Height300.00 mm

Flange width125.00 mm

Flange thickness t_f16.20 mm

Web thickness t_w10.80 mm

Fillet radius r10.80 mm

Toe radius r₂6.50 mm

Cross-section area A69.000 cm²

Weight G
steel 7850 kg/m³54.20kg/m

Section properties

I9 800.000 cm⁴451.000 cm⁴

W_el653.000 cm³72.200 cm³

W_pl762.000 cm³121.000 cm³

i119.00 mm25.50 mm

Torsion & LT buckling

Torsion constant I_t56.800 cm⁴

Warping constant I_w91 800.0 cm⁶

Reference

Profile standardEN 10365

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of IPN 300 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/ 201.9 kN·m

Shear/ 516.3 kN

Compression/ 319.7 kN

Steelγ_M0γ_M1L_crmmkf_y265MPaClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl201.9 kN·m / 32.1 kN·m

V_c,z,Rd / V_c,y,RdA_v = 3375 mm²516.3 kN / 619.6 kN

N_pl,Rd / N_b,Rd1.83 MN / 319.7 kN

N_cr,y / N_cr,z8.12 MN / 373.9 kN

f_ytf = 16.2 mm > 16 mm, EN 10025-2265 MPa

γ_M0 / γ_M11.00 / 1.00

Curve b · χ0.17

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.