FL · EN 10058

FL 20×4

FL 20×4 is a hot rolled steel flat bar per EN 10058: width 20 mm, thickness 4 mm, weight 0.6 kg/m, cross-section area 0.8 cm², moment of inertia Iy = 0.3 cm⁴, elastic section modulus Wel,y = 0.3 cm³.

Cross section · mm

20Width b · mm

4Thickness t · mm

0.80Area A · cm²

0.63Mass G · kg/m

Geometry

Width b20.00 mm

Thickness t4.00 mm

Cross-section area A0.800 cm²

Weight G
steel 7850 kg/m³0.63kg/m

Section properties

I0.267 cm⁴0.011 cm⁴

W_el0.267 cm³0.053 cm³

W_pl0.400 cm³0.080 cm³

i5.80 mm1.15 mm

Reference

Profile standardEN 10058

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of FL 20×4 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/ 0.1 kN·m

Shear/ 12.7 kN

Compression/ 0.0 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl0.1 kN·m / 0.0 kN·m

V_c,z,Rd / V_c,y,RdA_v = 80 mm²12.7 kN / 12.7 kN

N_pl,Rd / N_b,Rd22.0 kN / 0.0 kN

N_cr,y / N_cr,z0.2 kN / 0.0 kN

f_yEN 10025-2275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.00

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.