UPN · EN 10365

UPN 320

UPN 320 is a European U-channel with tapered flanges per EN 10365: height 320 mm, flange width 100 mm, weight 59.5 kg/m, cross-section area 75.8 cm², moment of inertia Iy = 10870 cm⁴, elastic section modulus Wel,y = 679 cm³.

Cross section · mm

320Height h · mm

100Flange width b · mm

75.80Area A · cm²

59.50Mass G · kg/m

Geometry

Height320.00 mm

Flange width100.00 mm

Flange thickness t_f17.50 mm

Web thickness t_w14.00 mm

Root radius r₁17.50 mm

Toe radius r₂8.75 mm

Centroid position e_y26.00 mm

Cross-section area A75.800 cm²

Weight G
steel 7850 kg/m³59.50kg/m

Section properties

I10 870.000 cm⁴597.000 cm⁴

W_el679.000 cm³80.600 cm³

W_pl826.000 cm³152.000 cm³

i119.80 mm28.10 mm

max S411.320 cm³44.370 cm³

Torsion & LT buckling

Torsion constant I_t66.700 cm⁴

Warping constant I_ω96 100.0 cm⁶

Reference

Profile standardEN 10365

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of UPN 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/ 218.9 kN·m

Shear/ 708.6 kN

Compression/ 389.2 kN

Steelγ_M0γ_M1L_crmmkf_y265MPaClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl218.9 kN·m / 40.3 kN·m

V_c,z,Rd / V_c,y,RdA_v = 4631 mm²708.6 kN / 535.5 kN

N_pl,Rd / N_b,Rd2.01 MN / 389.2 kN

N_cr,y / N_cr,z9.01 MN / 494.9 kN

f_ytf = 17.5 mm > 16 mm, EN 10025-2265 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · 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.