Cold-formed RHS

120x40x4.0

Standard: BS EN 10219-2Source: Calculated — radii per EN 10219-2
xyb = 40d = 120t = 4t = 4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
120mm
Widthb
40mm
Thicknesst
4mm
Outside corner radiusro
8mm

Mass and area

Mass per lengthm
9.222kg/m
Cross-sectional areaA
1,175mm²
Outside perimeterP
306.3mm

Strong axis x–x

Moment of inertiaIx
1.86910⁶ mm⁴
Elastic section modulusSx
31.1510³ mm³
Plastic section modulusZx
41.2110³ mm³
Radius of gyrationrx
39.89mm

Weak axis y–y

Moment of inertiaIy
0.31910⁶ mm⁴
Elastic section modulusSy
15.9510³ mm³
Plastic section modulusZy
18.5310³ mm³
Radius of gyrationry
16.48mm

Torsion and stability

Torsional constantJ
942.310³ mm⁴

Equivalents in other standards