RHS · EN 10219 · cold formed

RHS 300×150/12.5

RHS 300×150/12.5 is a cold-formed rectangular hollow section per EN 10219: height 300 mm, width 150 mm, wall thickness 12.5 mm, weight 78.1 kg/m, cross-section area 99.5 cm², moment of inertia Iy = 10590 cm⁴, elastic section modulus Wel,y = 706.3 cm³.

Cross section · mm

300Height h · mm

150Width b · mm

99.54Area A · cm²

78.10Mass G · kg/m

Geometry

Height h300.00 mm

Width b150.00 mm

Wall thickness t12.50 mm

Outer corner radius r_o37.50 mm

Inner corner radius r_i25.00 mm

Cross-section area A99.540 cm²

Weight G
steel 7850 kg/m³78.10kg/m

Section properties

I10 590.000 cm⁴3 595.000 cm⁴

W_el706.300 cm³479.300 cm³

W_pl911.500 cm³563.400 cm³

I_t9 452.000 cm⁴

Reference

Profile standardEN 10219

EurocodeEN 1993-1-1 (EC3)

Check to EN 1993-1-1

Work out the utilisation of RHS 300×150/12.5 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/ 250.7 kN·m

Shear/ 1.05 MN

Compression/ 1.55 MN

Steelγ_M0γ_M1L_crmmkClass1

Resistances and factors

M_c,y,Rd / M_c,z,RdW_pl250.7 kN·m / 154.9 kN·m

V_c,z,Rd / V_c,y,RdA_v = 6636 mm²1.05 MN / 526.8 kN

N_pl,Rd / N_b,Rd2.74 MN / 1.55 MN

N_cr,y / N_cr,z8.78 MN / 2.98 MN

f_yEN 10219-1275 MPa

γ_M0 / γ_M11.00 / 1.00

Curve c · χ0.56

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.