Hot-finished RHS

80x40x3.6

Standard: BS EN 10210-2Source: Calculated — radii per EN 10210-2
Singapore uses BS / BS EN sections; same data as the United Kingdom.
xyb = 40d = 80t = 3.6t = 3.6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
80mm
Widthb
40mm
Thicknesst
3.6mm
Outside corner radiusro
5.4mm

Mass and area

Mass per lengthm
6.266kg/m
Cross-sectional areaA
798.3mm²
Outside perimeterP
230.7mm

Strong axis x–x

Moment of inertiaIx
0.628510⁶ mm⁴
Elastic section modulusSx
15.7110³ mm³
Plastic section modulusZx
19.9710³ mm³
Radius of gyrationrx
28.06mm

Weak axis y–y

Moment of inertiaIy
0.206410⁶ mm⁴
Elastic section modulusSy
10.3210³ mm³
Plastic section modulusZy
12.1210³ mm³
Radius of gyrationry
16.08mm

Torsion and stability

Torsional constantJ
508.210³ mm⁴

Equivalents in other standards