FL · EN 10058

FL 80×5

FL 80×5 is a hot rolled steel flat bar per EN 10058: width 80 mm, thickness 5 mm, weight 3.1 kg/m, cross-section area 4 cm², moment of inertia Iy = 21.3 cm⁴, elastic section modulus Wel,y = 5.3 cm³.

Cross section · mm

80Width b · mm

5Thickness t · mm

4.00Area A · cm²

3.14Mass G · kg/m

Geometry

Width b80.00 mm

Thickness t5.00 mm

Cross-section area A4.000 cm²

Weight G
steel 7850 kg/m³3.14kg/m

Section properties

I21.333 cm⁴0.083 cm⁴

W_el5.333 cm³0.333 cm³

W_pl8.000 cm³0.500 cm³

i23.10 mm1.44 mm

Reference

Profile standardEN 10058

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of FL 80×5 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/ 2.2 kN·m

Shear/ 63.5 kN

Compression/ 0.1 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl2.2 kN·m / 0.1 kN·m

V_c,z,Rd / V_c,y,RdA_v = 400 mm²63.5 kN / 63.5 kN

N_pl,Rd / N_b,Rd110.0 kN / 0.1 kN

N_cr,y / N_cr,z17.7 kN / 0.1 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.