FL · EN 10058

FL 170×40

FL 170×40 is a hot rolled steel flat bar per EN 10058: width 170 mm, thickness 40 mm, weight 53.4 kg/m, cross-section area 68 cm², moment of inertia Iy = 1637.7 cm⁴, elastic section modulus Wel,y = 192.7 cm³.

Cross section · mm

170Width b · mm

40Thickness t · mm

68.00Area A · cm²

53.38Mass G · kg/m

Geometry

Width b170.00 mm

Thickness t40.00 mm

Cross-section area A68.000 cm²

Weight G
steel 7850 kg/m³53.38kg/m

Section properties

I1 637.667 cm⁴90.667 cm⁴

W_el192.667 cm³45.333 cm³

W_pl289.000 cm³68.000 cm³

i49.10 mm11.55 mm

Reference

Profile standardEN 10058

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of FL 170×40 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/ 76.6 kN·m

Shear/ 1.04 MN

Compression/ 68.3 kN

Steelγ_M0γ_M1L_crmmkf_y265MPaClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl76.6 kN·m / 18.0 kN·m

V_c,z,Rd / V_c,y,RdA_v = 6800 mm²1.04 MN / 1.04 MN

N_pl,Rd / N_b,Rd1.80 MN / 68.3 kN

N_cr,y / N_cr,z1.36 MN / 75.2 kN

f_yt = 40.0 mm > 16 mm, EN 10025-2265 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.04

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.