FL · EN 10058

FL 45×25

FL 45×25 is a hot rolled steel flat bar per EN 10058: width 45 mm, thickness 25 mm, weight 8.8 kg/m, cross-section area 11.3 cm², moment of inertia Iy = 19 cm⁴, elastic section modulus Wel,y = 8.4 cm³.

Cross section · mm

45Width b · mm

25Thickness t · mm

11.25Area A · cm²

8.83Mass G · kg/m

Geometry

Width b45.00 mm

Thickness t25.00 mm

Cross-section area A11.250 cm²

Weight G
steel 7850 kg/m³8.83kg/m

Section properties

I18.984 cm⁴5.859 cm⁴

W_el8.438 cm³4.688 cm³

W_pl12.656 cm³7.031 cm³

i13.00 mm7.22 mm

Reference

Profile standardEN 10058

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of FL 45×25 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/ 3.4 kN·m

Shear/ 172.1 kN

Compression/ 4.6 kN

Steelγ_M0γ_M1L_crmmkf_y265MPaClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl3.4 kN·m / 1.9 kN·m

V_c,z,Rd / V_c,y,RdA_v = 1125 mm²172.1 kN / 172.1 kN

N_pl,Rd / N_b,Rd298.1 kN / 4.6 kN

N_cr,y / N_cr,z15.7 kN / 4.9 kN

f_yt = 25.0 mm > 16 mm, EN 10025-2265 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.02

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.