FL · EN 10058

FL 40×30

FL 40×30 is a hot rolled steel flat bar per EN 10058: width 40 mm, thickness 30 mm, weight 9.4 kg/m, cross-section area 12 cm², moment of inertia Iy = 16 cm⁴, elastic section modulus Wel,y = 8 cm³.

Cross section · mm

40Width b · mm

30Thickness t · mm

12.00Area A · cm²

9.42Mass G · kg/m

Geometry

Width b40.00 mm

Thickness t30.00 mm

Cross-section area A12.000 cm²

Weight G
steel 7850 kg/m³9.42kg/m

Section properties

I16.000 cm⁴9.000 cm⁴

W_el8.000 cm³6.000 cm³

W_pl12.000 cm³9.000 cm³

i11.50 mm8.66 mm

Reference

Profile standardEN 10058

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of FL 40×30 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/ 3.2 kN·m

Shear/ 183.6 kN

Compression/ 6.9 kN

Steelγ_M0γ_M1L_crmmkf_y265MPaClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl3.2 kN·m / 2.4 kN·m

V_c,z,Rd / V_c,y,RdA_v = 1200 mm²183.6 kN / 183.6 kN

N_pl,Rd / N_b,Rd318.0 kN / 6.9 kN

N_cr,y / N_cr,z13.3 kN / 7.5 kN

f_yt = 30.0 mm > 16 mm, EN 10025-2265 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.02

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.