RHS · EN 10219 · cold formed

RHS 300×100/12

RHS 300×100/12 is a cold-formed rectangular hollow section per EN 10219: height 300 mm, width 100 mm, wall thickness 12 mm, weight 66 kg/m, cross-section area 84.1 cm², moment of inertia Iy = 7808 cm⁴, elastic section modulus Wel,y = 520.6 cm³.

Cross section · mm

300Height h · mm

100Width b · mm

84.06Area A · cm²

66.00Mass G · kg/m

Geometry

Height h300.00 mm

Width b100.00 mm

Wall thickness t12.00 mm

Outer corner radius r_o36.00 mm

Inner corner radius r_i24.00 mm

Cross-section area A84.060 cm²

Weight G
steel 7850 kg/m³66.00kg/m

Section properties

I7 808.000 cm⁴1 343.000 cm⁴

W_el520.600 cm³268.600 cm³

W_pl710.300 cm³320.900 cm³

I_t4 177.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 300×100/12 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/ 195.3 kN·m

Shear/ 1.00 MN

Compression/ 773.2 kN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl195.3 kN·m / 88.2 kN·m

V_c,z,Rd / V_c,y,RdA_v = 6305 mm²1.00 MN / 333.7 kN

N_pl,Rd / N_b,Rd2.31 MN / 773.2 kN

N_cr,y / N_cr,z6.47 MN / 1.11 MN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.33

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.