FL · EN 10058

FL 120×20

FL 120×20 is a hot rolled steel flat bar per EN 10058: width 120 mm, thickness 20 mm, weight 18.8 kg/m, cross-section area 24 cm², moment of inertia Iy = 288 cm⁴, elastic section modulus Wel,y = 48 cm³.

Cross section · mm
yz12020[mm]
120Width b · mm
20Thickness t · mm
24.00Area A · cm²
18.84Mass G · kg/m
Geometry
Width b120.00 mm
Thickness t20.00 mm
Cross-section area A24.000 cm²
Weight G
steel 7850 kg/m³
18.84kg/m
Section properties
I288.000 cm⁴8.000 cm⁴
Wel48.000 cm³8.000 cm³
Wpl72.000 cm³12.000 cm³
i34.60 mm5.77 mm
Reference
Profile standardEN 10058
EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of FL 120×20 for your design forces

Enter the design loads and the section is checked for bending, shear and compression with flexural buckling.

Bending/ 19.1 kN·m
Shear/ 367.2 kN
Compression/ 6.3 kN
fy265MPaClass1
Resistances and factors
Mc,y,Rd / Mc,z,RdW_pl19.1 kN·m / 3.2 kN·m
Vc,z,Rd / Vc,y,RdA_v = 2400 mm²367.2 kN / 367.2 kN
Npl,Rd / Nb,Rd636.0 kN / 6.3 kN
Ncr,y / Ncr,z238.8 kN / 6.6 kN
fyt = 20.0 mm > 16 mm, EN 10025-2265 MPa
γM0 / γM11.00 / 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.