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RHS 300×150×8 - Section Properties

The RHS 300×150×8 is a rectangular hollow section with a mass of 54 kg/m, an overall depth of 300 mm and width of 150 mm and a wall thickness of 8 mm. It has a cross-sectional area of 68.8 cm², a second moment of area Iᵧ of 8010 cm⁴, a plastic modulus Wₚₗ,ᵧ of 663 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass
54 kg/m
Depth
300 mm
Width
150 mm
Wall thickness
8 mm
Area
68.8 cm²
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RHS 300×150×8 section profile
mass (kg/m)54
t (mm)8
Iy (cm⁴)8010
Iz (cm⁴)2700
iy (cm)10.8
iz (cm)6.27
Wel,y (cm³)534
Wel,z (cm³)360
Wpl,y (cm³)663
Wpl,z (cm³)407
A (cm²)68.8
SA/m (m²/m)0.879
SA/t (m²/t)16.3

Related RHS Hot-finished sizes

RHS 300×100×10RHS 300×100×12.5RHS 300×100×14.2RHS 300×100×16RHS 300×150×8.8RHS 300×150×10RHS 300×150×12.5RHS 300×150×14.2

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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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