Cold-formed RHS

120x80x4.0

Standard: BS EN 10219-2Source: Calculated — radii per EN 10219-2
xyb = 80d = 120t = 4t = 4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
120mm
Widthb
80mm
Thicknesst
4mm
Outside corner radiusro
8mm

Mass and area

Mass per lengthm
11.73kg/m
Cross-sectional areaA
1,495mm²
Outside perimeterP
386.3mm

Strong axis x–x

Moment of inertiaIx
2.94610⁶ mm⁴
Elastic section modulusSx
49.110³ mm³
Plastic section modulusZx
59.7710³ mm³
Radius of gyrationrx
44.39mm

Weak axis y–y

Moment of inertiaIy
1.57310⁶ mm⁴
Elastic section modulusSy
39.3210³ mm³
Plastic section modulusZy
45.2310³ mm³
Radius of gyrationry
32.44mm

Torsion and stability

Torsional constantJ
3,31210³ mm⁴

Equivalents in other standards