UPN · EN 10365

UPN 400

UPN 400 is a European U-channel with tapered flanges per EN 10365: height 400 mm, flange width 110 mm, weight 71.8 kg/m, cross-section area 91.5 cm², moment of inertia Iy = 20350 cm⁴, elastic section modulus Wel,y = 1020 cm³.

Cross section · mm
yz1104001418[mm]
400Height h · mm
110Flange width b · mm
91.50Area A · cm²
71.80Mass G · kg/m
Geometry
Height400.00 mm
Flange width110.00 mm
Flange thickness tf18.00 mm
Web thickness tw14.00 mm
Root radius r₁18.00 mm
Toe radius r₂9.00 mm
Centroid position ey26.80 mm
Cross-section area A91.500 cm²
Weight G
steel 7850 kg/m³71.80kg/m
Section properties
I20 350.000 cm⁴846.000 cm⁴
Wel1 020.000 cm³102.000 cm³
Wpl1 240.000 cm³190.000 cm³
i149.00 mm30.40 mm
max S615.730 cm³57.560 cm³
Torsion & LT buckling
Torsion constant It81.600 cm⁴
Warping constant Iω221 000.0 cm⁶
Reference
Profile standardEN 10365
EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out what UPN 400 carries over your span

Find the lightest sectionCompare sections

Enter the design loads and the section is checked for bending, shear and compression with flexural buckling.

Bending/ 341.0 kN·m
Shear/ 915.5 kN
Compression/ 541.7 kN
Class1
Resistances and factors
Mc,y,Rd / Mc,z,RdW_pl341.0 kN·m / 52.3 kN·m
Vc,z,Rd / Vc,y,RdA_v = 5766 mm²915.5 kN / 628.7 kN
Npl,Rd / Nb,Rd2.52 MN / 541.7 kN
Ncr,y / Ncr,z16.87 MN / 701.4 kN
γM0 / γM11.00 / 1.00
Curve c · χ0.22

Simplified checks per EN 1993-1-1, without M+N+V interaction and without lateral-torsional buckling. Verify with a full design.