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RHS 300×100×8 - Section Properties

The RHS 300×100×8 is a rectangular hollow section with a mass of 47.7 kg/m, an overall depth of 300 mm and width of 100 mm and a wall thickness of 8 mm. It has a cross-sectional area of 60.8 cm², a second moment of area Iᵧ of 6310 cm⁴, a plastic modulus Wₚₗ,ᵧ of 546 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass
47.7 kg/m
Depth
300 mm
Width
100 mm
Wall thickness
8 mm
Area
60.8 cm²
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RHS 300×100×8 section profile
mass (kg/m)47.7
t (mm)8
Iy (cm⁴)6310
Iz (cm⁴)1080
iy (cm)10.2
iz (cm)4.21
Wel,y (cm³)420
Wel,z (cm³)216
Wpl,y (cm³)546
Wpl,z (cm³)245
A (cm²)60.8
SA/m (m²/m)0.779
SA/t (m²/t)16.4

Related RHS Hot-finished sizes

RHS 260×140×16RHS 300×100×5RHS 300×100×6.3RHS 300×100×7.1RHS 300×100×8.8RHS 300×100×10RHS 300×100×12.5RHS 300×100×14.2

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📘 How to read a steel section table (UB, UC, IPE, HE) →📘 Section modulus explained: elastic (Wel) vs plastic (Wpl) →📘 SHS vs RHS vs CHS: choosing a hollow steel section →
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