UPN · EN 10365

UPN 350

UPN 350 is a European U-channel with tapered flanges per EN 10365: height 350 mm, flange width 100 mm, weight 60.6 kg/m, cross-section area 77.3 cm², moment of inertia Iy = 12840 cm⁴, elastic section modulus Wel,y = 734 cm³.

Cross section · mm

350Height h · mm

100Flange width b · mm

77.30Area A · cm²

60.60Mass G · kg/m

Geometry

Height350.00 mm

Flange width100.00 mm

Flange thickness t_f16.00 mm

Web thickness t_w14.00 mm

Root radius r₁16.00 mm

Toe radius r₂8.00 mm

Centroid position e_y24.00 mm

Cross-section area A77.300 cm²

Weight G
steel 7850 kg/m³60.60kg/m

Section properties

I12 840.000 cm⁴570.000 cm⁴

W_el734.000 cm³75.000 cm³

W_pl918.000 cm³143.000 cm³

i129.00 mm27.20 mm

max S459.000 cm³42.780 cm³

Torsion & LT buckling

Torsion constant I_t61.200 cm⁴

Warping constant I_ω114 000.0 cm⁶

Reference

Profile standardEN 10365

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of UPN 350 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/ 252.4 kN·m

Shear/ 795.4 kN

Compression/ 376.7 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl252.4 kN·m / 39.3 kN·m

V_c,z,Rd / V_c,y,RdA_v = 5010 mm²795.4 kN / 508.1 kN

N_pl,Rd / N_b,Rd2.13 MN / 376.7 kN

N_cr,y / N_cr,z10.64 MN / 472.6 kN

f_yEN 10025-2275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.18

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.