UPN · EN 10365

UPN 280

UPN 280 is a European U-channel with tapered flanges per EN 10365: height 280 mm, flange width 95 mm, weight 41.8 kg/m, cross-section area 53.3 cm², moment of inertia Iy = 6280 cm⁴, elastic section modulus Wel,y = 448 cm³.

Cross section · mm

280Height h · mm

95Flange width b · mm

53.30Area A · cm²

41.80Mass G · kg/m

Geometry

Height280.00 mm

Flange width95.00 mm

Flange thickness t_f15.00 mm

Web thickness t_w10.00 mm

Root radius r₁15.00 mm

Toe radius r₂7.50 mm

Centroid position e_y25.30 mm

Cross-section area A53.300 cm²

Weight G
steel 7850 kg/m³41.80kg/m

Section properties

I6 280.000 cm⁴399.000 cm⁴

W_el448.000 cm³57.200 cm³

W_pl532.000 cm³109.000 cm³

i109.00 mm27.40 mm

max S265.280 cm³30.990 cm³

Torsion & LT buckling

Torsion constant I_t31.000 cm⁴

Warping constant I_ω48 500.0 cm⁶

Reference

Profile standardEN 10365

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of UPN 280 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/ 146.3 kN·m

Shear/ 453.3 kN

Compression/ 263.2 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl146.3 kN·m / 30.0 kN·m

V_c,z,Rd / V_c,y,RdA_v = 2855 mm²453.3 kN / 452.5 kN

N_pl,Rd / N_b,Rd1.47 MN / 263.2 kN

N_cr,y / N_cr,z5.21 MN / 330.8 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.