UPN · EN 10365

UPN 50

UPN 50 is a European U-channel with tapered flanges per EN 10365: height 50 mm, flange width 38 mm, weight 5.6 kg/m, cross-section area 7.1 cm², moment of inertia Iy = 26.4 cm⁴, elastic section modulus Wel,y = 10.6 cm³.

Cross section · mm

50Height h · mm

38Flange width b · mm

7.12Area A · cm²

5.60Mass G · kg/m

Geometry

Height50.00 mm

Flange width38.00 mm

Flange thickness t_f7.00 mm

Web thickness t_w5.00 mm

Root radius r₁7.00 mm

Toe radius r₂3.50 mm

Centroid position e_y13.70 mm

Cross-section area A7.120 cm²

Weight G
steel 7850 kg/m³5.60kg/m

Section properties

I26.400 cm⁴9.120 cm⁴

W_el10.600 cm³3.750 cm³

W_pl13.100 cm³6.780 cm³

i19.20 mm11.30 mm

max S6.480 cm³1.760 cm³

Torsion & LT buckling

Torsion constant I_t1.120 cm⁴

Warping constant I_ω30.0 cm⁶

Reference

Profile standardEN 10365

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of UPN 50 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/ 3.6 kN·m

Shear/ 41.9 kN

Compression/ 6.9 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl3.6 kN·m / 1.9 kN·m

V_c,z,Rd / V_c,y,RdA_v = 264 mm²41.9 kN / 84.5 kN

N_pl,Rd / N_b,Rd195.8 kN / 6.9 kN

N_cr,y / N_cr,z21.9 kN / 7.6 kN

f_yEN 10025-2275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.04

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.