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SHS 180×180×12.5 - Section Properties

The SHS 180×180×12.5 is a square hollow section with a mass of 64.4 kg/m, an overall depth of 180 mm and width of 180 mm and a wall thickness of 12.5 mm. It has a cross-sectional area of 82.1 cm², a second moment of area Iᵧ of 3790 cm⁴, a plastic modulus Wₚₗ,ᵧ of 511 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass
64.4 kg/m
Depth
180 mm
Width
180 mm
Wall thickness
12.5 mm
Area
82.1 cm²
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SHS 180×180×12.5 section profile
mass (kg/m)64.4
t (mm)12.5
Iy (cm⁴)3790
Iz (cm⁴)3790
iy (cm)6.8
iz (cm)6.8
Wel,y (cm³)421
Wel,z (cm³)421
Wpl,y (cm³)511
Wpl,z (cm³)511
A (cm²)82.1
SA/m (m²/m)0.688
SA/t (m²/t)10.7

Related SHS Hot-finished sizes

SHS 180×180×7.1SHS 180×180×8SHS 180×180×8.8SHS 180×180×10SHS 180×180×14.2SHS 180×180×16SHS 200×200×5SHS 200×200×6.3

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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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Square Hollow Sections - Hot-finished (BS EN 10210)
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