UPN 65

UPN 65 is a European U-channel with tapered flanges per EN 10365: height 65 mm, flange width 42 mm, weight 7.1 kg/m, cross-section area 9 cm², moment of inertia Iy = 57.5 cm⁴, elastic section modulus Wel,y = 17.7 cm³.

Geometry

Height65.00 mm

Flange width42.00 mm

Flange thickness t_f7.50 mm

Web thickness t_w5.50 mm

Root radius r₁7.50 mm

Toe radius r₂4.00 mm

Centroid position e_y14.20 mm

Cross-section area A9.030 cm²

Weight G
steel 7850 kg/m³7.10kg/m

Section properties

I57.500 cm⁴14.100 cm⁴

W_el17.700 cm³5.070 cm³

W_pl21.700 cm³9.380 cm³

i25.20 mm12.50 mm

max S10.710 cm³2.440 cm³

Torsion & LT buckling

Torsion constant I_t1.610 cm⁴

Warping constant I_ω80.0 cm⁶

i_ω7.50 mm

i_p,SC39.90 mm

Reference

Profile standardEN 10365

EurocodeEN 1993-1-1 (EC3)

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