FL · EN 10058

FL 80×8

FL 80×8 is a hot rolled steel flat bar per EN 10058: width 80 mm, thickness 8 mm, weight 5 kg/m, cross-section area 6.4 cm², moment of inertia Iy = 34.1 cm⁴, elastic section modulus Wel,y = 8.5 cm³.

Cross section · mm

80Width b · mm

8Thickness t · mm

6.40Area A · cm²

5.02Mass G · kg/m

Geometry

Width b80.00 mm

Thickness t8.00 mm

Cross-section area A6.400 cm²

Weight G
steel 7850 kg/m³5.02kg/m

Section properties

I34.133 cm⁴0.341 cm⁴

W_el8.533 cm³0.853 cm³

W_pl12.800 cm³1.280 cm³

i23.10 mm2.31 mm

Reference

Profile standardEN 10058

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of FL 80×8 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/ 3.5 kN·m

Shear/ 101.6 kN

Compression/ 0.3 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl3.5 kN·m / 0.4 kN·m

V_c,z,Rd / V_c,y,RdA_v = 640 mm²101.6 kN / 101.6 kN

N_pl,Rd / N_b,Rd176.0 kN / 0.3 kN

N_cr,y / N_cr,z28.3 kN / 0.3 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.