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RHS 300×200×7.1 - Section Properties

The RHS 300×200×7.1 is a rectangular hollow section with a mass of 53.7 kg/m, an overall depth of 300 mm and width of 200 mm and a wall thickness of 7.1 mm. It has a cross-sectional area of 68.4 cm², a second moment of area Iᵧ of 8730 cm⁴, a plastic modulus Wₚₗ,ᵧ of 698 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass
53.7 kg/m
Depth
300 mm
Width
200 mm
Wall thickness
7.1 mm
Area
68.4 cm²
🔍 Open the full Steel Catalogue →Run EC3 capacity checks on RHS 300×200×7.1 →📖 Design theory📐 Worked example
RHS 300×200×7.1 section profile
mass (kg/m)53.7
t (mm)7.1
Iy (cm⁴)8730
Iz (cm⁴)4670
iy (cm)11.3
iz (cm)8.26
Wel,y (cm³)582
Wel,z (cm³)467
Wpl,y (cm³)698
Wpl,z (cm³)528
A (cm²)68.4
SA/m (m²/m)0.982
SA/t (m²/t)18.3

Related RHS Hot-finished sizes

RHS 300×150×14.2RHS 300×150×16RHS 300×200×5RHS 300×200×6.3RHS 300×200×8RHS 300×200×8.8RHS 300×200×10RHS 300×200×12.5

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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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