SHS 50×50×6 - Section Properties

The SHS 50×50×6 is a steel section with a mass of 8.15 kg/m, an overall depth of 50 mm and width of 50 mm and a wall thickness of 6 mm. It has a cross-sectional area of 10.2 cm², a second moment of area Iᵧ of 32 cm⁴, a plastic modulus Wₚₗ,ᵧ of 16.5 cm³, tabulated by CivilAxis from EN 10219 · Continental Steel.

Mass: 8.15 kg/m
Depth: 50 mm
Width: 50 mm
Wall thickness: 6 mm
Area: 10.2 cm²

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Dimension symbols for SHS sections. Not to scale.

SHS 50×50×6 section properties to EN 10219 · Continental Steel.
Geometry
Depth of section	h	50
Width of section	b	50
Wall thickness	t	6
Mass and area
Mass per metre	mass	8.15
Cross-sectional area	A	10.2
Bending about the major axis (y-y)
Area moment of inertia about y-axis	I_y	32
Elastic section modulus about y-axis	W_el,y	12.8
Plastic section modulus about y-axis	W_pl,y	16.5
Radius of gyration about y-axis	i_y	1.77
Bending about the minor axis (z-z)
Area moment of inertia about z-axis	I_z	32
Elastic section modulus about z-axis	W_el,z	12.8
Plastic section modulus about z-axis	W_pl,z	16.5
Radius of gyration about z-axis	i_z	1.77
Torsion and warping
Torsion constant (St Venant)	I_t	53.6
Section modulus for torsion	W_t	18.4
Surface area
Surface area per metre	SA/m	0.185

Is SHS 50×50×6 strong enough?

Simply supported beam, uniform load, major-axis bending - to EN 1993-1-1.

Span (m)Load (kN/m)Grade

✅Passes - 59% utilised, deflection governs

Bending27%

1.6 / 5.9 kNm

Shear6%

6.4 / 104.5 kN

Deflection59%

1.6 / 2.8 mm

Class 1 section. ULS uses γQ = 1.5 on the load you enter; deflection uses the unfactored load against L/360. Lateral-torsional buckling is not included - the compression flange is assumed restrained.