Cold-formed rectangular hollow sections (EN 10219)

RHS 400x300x12.5

Standard: EN 10219-2:2006Source: Geometry: Steel Section Database (MIT) — calculated properties (exact engine)
xyb = 300d = 400t = 12.5t = 12.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
400mm
Widthb
300mm
Thicknesst
12.5mm
Outside corner radiusro
37.5mm

Mass and area

Mass per lengthm
127.2kg/m
Cross-sectional areaA
16,204mm²
Outside perimeterP
1,336mm

Strong axis x–x

Moment of inertiaIx
364.910⁶ mm⁴
Elastic section modulusSx
1,82410³ mm³
Plastic section modulusZx
2,19810³ mm³
Radius of gyrationrx
150.1mm

Weak axis y–y

Moment of inertiaIy
235.210⁶ mm⁴
Elastic section modulusSy
1,56810³ mm³
Plastic section modulusZy
1,81010³ mm³
Radius of gyrationry
120.5mm

Torsion and stability

Torsional constantJ
472,37110³ mm⁴

Equivalents in other standards