FL · EN 10058

FL 45×15

FL 45×15 is a hot rolled steel flat bar per EN 10058: width 45 mm, thickness 15 mm, weight 5.3 kg/m, cross-section area 6.8 cm², moment of inertia Iy = 11.4 cm⁴, elastic section modulus Wel,y = 5.1 cm³.

Cross section · mm

45Width b · mm

15Thickness t · mm

6.75Area A · cm²

5.30Mass G · kg/m

Geometry

Width b45.00 mm

Thickness t15.00 mm

Cross-section area A6.750 cm²

Weight G
steel 7850 kg/m³5.30kg/m

Section properties

I11.391 cm⁴1.266 cm⁴

W_el5.062 cm³1.688 cm³

W_pl7.594 cm³2.531 cm³

i13.00 mm4.33 mm

Reference

Profile standardEN 10058

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of FL 45×15 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/ 2.1 kN·m

Shear/ 107.2 kN

Compression/ 1.0 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl2.1 kN·m / 0.7 kN·m

V_c,z,Rd / V_c,y,RdA_v = 675 mm²107.2 kN / 107.2 kN

N_pl,Rd / N_b,Rd185.6 kN / 1.0 kN

N_cr,y / N_cr,z9.4 kN / 1.0 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.