UPN · EN 10365

UPN 120

UPN 120 is a European U-channel with tapered flanges per EN 10365: height 120 mm, flange width 55 mm, weight 13.4 kg/m, cross-section area 17 cm², moment of inertia Iy = 364 cm⁴, elastic section modulus Wel,y = 60.7 cm³.

Cross section · mm

120Height h · mm

55Flange width b · mm

17.00Area A · cm²

13.40Mass G · kg/m

Geometry

Height120.00 mm

Flange width55.00 mm

Flange thickness t_f9.00 mm

Web thickness t_w7.00 mm

Root radius r₁9.00 mm

Toe radius r₂4.50 mm

Centroid position e_y16.10 mm

Cross-section area A17.000 cm²

Weight G
steel 7850 kg/m³13.40kg/m

Section properties

I364.000 cm⁴43.200 cm⁴

W_el60.700 cm³11.100 cm³

W_pl72.600 cm³21.200 cm³

i46.20 mm15.90 mm

max S36.350 cm³5.800 cm³

Torsion & LT buckling

Torsion constant I_t4.150 cm⁴

Warping constant I_ω900.0 cm⁶

Reference

Profile standardEN 10365

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of UPN 120 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/ 20.0 kN·m

Shear/ 135.6 kN

Compression/ 31.5 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl20.0 kN·m / 5.8 kN·m

V_c,z,Rd / V_c,y,RdA_v = 854 mm²135.6 kN / 157.2 kN

N_pl,Rd / N_b,Rd467.5 kN / 31.5 kN

N_cr,y / N_cr,z301.8 kN / 35.8 kN

f_yEN 10025-2275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.07

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.