EHS 200×100×8 - Section Properties

The EHS 200×100×8 is a elliptical hollow section with a mass of 28 kg/m, an overall depth of 200 mm and width of 100 mm and a wall thickness of 8 mm. It has a cross-sectional area of 35.7 cm², a second moment of area Iᵧ of 1360 cm⁴, a plastic modulus Wₚₗ,ᵧ of 193 cm³, tabulated by CivilAxis from BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass: 28 kg/m
Depth: 200 mm
Width: 100 mm
Wall thickness: 8 mm
Area: 35.7 cm²

Ask about capacity, buckling or detailing for EHS 200×100×8.

🔍 Open the full Steel Catalogue →📖 Design theory 📐 Worked example

Unitsor pick a unit on any row

Dimension symbols for EHS Hot-finished sections. Not to scale.

EHS 200×100×8 section properties to BS EN 10210-2:2006.
Geometry
Depth of section	h	200
Width of section	b	100
Wall thickness	t	8
Mass and area
Mass per metre	mass	28
Cross-sectional area	A	35.7
Bending about the major axis (y-y)
Area moment of inertia about y-axis	I_y	1360
Elastic section modulus about y-axis	W_el,y	136
Plastic section modulus about y-axis	W_pl,y	193
Radius of gyration about y-axis	i_y	6.17
Bending about the minor axis (z-z)
Area moment of inertia about z-axis	I_z	446
Elastic section modulus about z-axis	W_el,z	89.3
Plastic section modulus about z-axis	W_pl,z	117
Radius of gyration about z-axis	i_z	3.54
Torsion and warping
Torsion constant (St Venant)	I_t	1350
Section modulus for torsion	W_t	197
Surface area
Surface area per metre	SA/m	0.484
Surface area per tonne	SA/t	17.3	m²/t

Is EHS 200×100×8 strong enough?

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

Span (m)Load (kN/m)Grade

✅Passes - 58% utilised, deflection governs

Bending24%

16.5 / 68.5 kNm

Shear3%

16.5 / 487.8 kN

Deflection58%

6.4 / 11.1 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.