FL · EN 10058

FL 70×12

FL 70×12 is a hot rolled steel flat bar per EN 10058: width 70 mm, thickness 12 mm, weight 6.6 kg/m, cross-section area 8.4 cm², moment of inertia Iy = 34.3 cm⁴, elastic section modulus Wel,y = 9.8 cm³.

Cross section · mm

70Width b · mm

12Thickness t · mm

8.40Area A · cm²

6.59Mass G · kg/m

Geometry

Width b70.00 mm

Thickness t12.00 mm

Cross-section area A8.400 cm²

Weight G
steel 7850 kg/m³6.59kg/m

Section properties

I34.300 cm⁴1.008 cm⁴

W_el9.800 cm³1.680 cm³

W_pl14.700 cm³2.520 cm³

i20.20 mm3.46 mm

Reference

Profile standardEN 10058

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of FL 70×12 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/ 4.0 kN·m

Shear/ 133.4 kN

Compression/ 0.8 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl4.0 kN·m / 0.7 kN·m

V_c,z,Rd / V_c,y,RdA_v = 840 mm²133.4 kN / 133.4 kN

N_pl,Rd / N_b,Rd231.0 kN / 0.8 kN

N_cr,y / N_cr,z28.4 kN / 0.8 kN

f_yEN 10025-2275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.00

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.