Cold-formed RHS

70x40x5.0

Standard: BS EN 10219-2Source: Calculated — radii per EN 10219-2
xyb = 40d = 70t = 5t = 5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
70mm
Widthb
40mm
Thicknesst
5mm
Outside corner radiusro
10mm

Mass and area

Mass per lengthm
7.345kg/m
Cross-sectional areaA
935.6mm²
Outside perimeterP
202.8mm

Strong axis x–x

Moment of inertiaIx
0.528810⁶ mm⁴
Elastic section modulusSx
15.1110³ mm³
Plastic section modulusZx
19.8110³ mm³
Radius of gyrationrx
23.77mm

Weak axis y–y

Moment of inertiaIy
0.215110⁶ mm⁴
Elastic section modulusSy
10.7510³ mm³
Plastic section modulusZy
13.2710³ mm³
Radius of gyrationry
15.16mm

Torsion and stability

Torsional constantJ
537.710³ mm⁴

Equivalents in other standards