FL · EN 10058

FL 70×20

FL 70×20 is a hot rolled steel flat bar per EN 10058: width 70 mm, thickness 20 mm, weight 11 kg/m, cross-section area 14 cm², moment of inertia Iy = 57.2 cm⁴, elastic section modulus Wel,y = 16.3 cm³.

Cross section · mm

70Width b · mm

20Thickness t · mm

14.00Area A · cm²

10.99Mass G · kg/m

Geometry

Width b70.00 mm

Thickness t20.00 mm

Cross-section area A14.000 cm²

Weight G
steel 7850 kg/m³10.99kg/m

Section properties

I57.167 cm⁴4.667 cm⁴

W_el16.333 cm³4.667 cm³

W_pl24.500 cm³7.000 cm³

i20.20 mm5.77 mm

Reference

Profile standardEN 10058

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of FL 70×20 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/ 6.5 kN·m

Shear/ 214.2 kN

Compression/ 3.7 kN

Steelγ_M0γ_M1L_crmmkf_y265MPaClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl6.5 kN·m / 1.9 kN·m

V_c,z,Rd / V_c,y,RdA_v = 1400 mm²214.2 kN / 214.2 kN

N_pl,Rd / N_b,Rd371.0 kN / 3.7 kN

N_cr,y / N_cr,z47.4 kN / 3.9 kN

f_yt = 20.0 mm > 16 mm, EN 10025-2265 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.01

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.