UPN · EN 10365

UPN 380

UPN 380 is a European U-channel with tapered flanges per EN 10365: height 380 mm, flange width 102 mm, weight 63.1 kg/m, cross-section area 80.4 cm², moment of inertia Iy = 15760 cm⁴, elastic section modulus Wel,y = 829 cm³.

Cross section · mm

380Height h · mm

102Flange width b · mm

80.40Area A · cm²

63.10Mass G · kg/m

Geometry

Height380.00 mm

Flange width102.00 mm

Flange thickness t_f16.00 mm

Web thickness t_w13.50 mm

Root radius r₁16.00 mm

Toe radius r₂8.00 mm

Centroid position e_y23.80 mm

Cross-section area A80.400 cm²

Weight G
steel 7850 kg/m³63.10kg/m

Section properties

I15 760.000 cm⁴615.000 cm⁴

W_el829.000 cm³78.700 cm³

W_pl1 010.000 cm³148.000 cm³

i140.00 mm27.70 mm

max S505.380 cm³45.150 cm³

Torsion & LT buckling

Torsion constant I_t59.100 cm⁴

Warping constant I_ω146 000.0 cm⁶

Reference

Profile standardEN 10365

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of UPN 380 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/ 277.8 kN·m

Shear/ 833.2 kN

Compression/ 404.5 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl277.8 kN·m / 40.7 kN·m

V_c,z,Rd / V_c,y,RdA_v = 5248 mm²833.2 kN / 518.2 kN

N_pl,Rd / N_b,Rd2.21 MN / 404.5 kN

N_cr,y / N_cr,z13.07 MN / 509.9 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.