Cold-formed rectangular hollow sections (EN 10219)

RHS 400x300x12

Standard: EN 10219-2:2006Source: Geometry: Steel Section Database (MIT) — calculated properties (exact engine)
xyb = 300d = 400t = 12t = 12
Cross-section, to scaledimensions in mm

Dimensions

Depthd
400mm
Widthb
300mm
Thicknesst
12mm
Outside corner radiusro
36mm

Mass and area

Mass per lengthm
122.5kg/m
Cross-sectional areaA
15,606mm²
Outside perimeterP
1,338mm

Strong axis x–x

Moment of inertiaIx
352.810⁶ mm⁴
Elastic section modulusSx
1,76410³ mm³
Plastic section modulusZx
2,12210³ mm³
Radius of gyrationrx
150.4mm

Weak axis y–y

Moment of inertiaIy
227.510⁶ mm⁴
Elastic section modulusSy
1,51610³ mm³
Plastic section modulusZy
1,74710³ mm³
Radius of gyrationry
120.7mm

Torsion and stability

Torsional constantJ
455,27110³ mm⁴

Equivalents in other standards