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RHS 400×200×12.5 - Section Properties

The RHS 400×200×12.5 is a steel section with a mass of 112 kg/m, an overall depth of 400 mm and width of 200 mm and a wall thickness of 12.5 mm. It has a cross-sectional area of 142 cm², a second moment of area Iᵧ of 29060 cm⁴, a plastic modulus Wₚₗ,ᵧ of 1813 cm³, to EN 10219 · Continental Steel (SCI P363 Blue Book).

Mass
112 kg/m
Depth
400 mm
Width
200 mm
Wall thickness
12.5 mm
Area
142 cm²
🔍 Open the full Steel CatalogueRun EC3 capacity checks on RHS 400×200×12.5
mass (kg/m)112
h (mm)400
b (mm)200
tw (mm)0
tf (mm)0
Iy (cm⁴)29060
Iz (cm⁴)9738
iy (cm)14.3
iz (cm)8.28
Wel,y (cm³)1453
Wel,z (cm³)974
Wpl,y (cm³)1813
Wpl,z (cm³)1111
Iw (dm⁶)0
It (cm⁴)23440
A (cm²)142
SA/m (m²/m)1.17

Related RHS sizes

RHS 350×150×12.5RHS 400×200×6.3RHS 400×200×8RHS 400×200×10RHS 400×200×16RHS 450×250×8RHS 450×250×10RHS 450×250×12.5

Learn more

📘 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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