FL · EN 10058

FL 20×15

FL 20×15 is a hot rolled steel flat bar per EN 10058: width 20 mm, thickness 15 mm, weight 2.4 kg/m, cross-section area 3 cm², moment of inertia Iy = 1 cm⁴, elastic section modulus Wel,y = 1 cm³.

Cross section · mm

20Width b · mm

15Thickness t · mm

3.00Area A · cm²

2.35Mass G · kg/m

Geometry

Width b20.00 mm

Thickness t15.00 mm

Cross-section area A3.000 cm²

Weight G
steel 7850 kg/m³2.35kg/m

Section properties

I1.000 cm⁴0.563 cm⁴

W_el1.000 cm³0.750 cm³

W_pl1.500 cm³1.125 cm³

i5.80 mm4.33 mm

Reference

Profile standardEN 10058

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of FL 20×15 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/ 0.4 kN·m

Shear/ 47.6 kN

Compression/ 0.4 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl0.4 kN·m / 0.3 kN·m

V_c,z,Rd / V_c,y,RdA_v = 300 mm²47.6 kN / 47.6 kN

N_pl,Rd / N_b,Rd82.5 kN / 0.4 kN

N_cr,y / N_cr,z0.8 kN / 0.5 kN

f_yEN 10025-2275 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.