Rectangular and square HSS

HSS 406x406x19

Standard: CSA G40.20/G40.21Source: Calculated (exact engine)
Calculated: design thickness = nominal thickness (CSA G40.20, Class C), outside radius 2t. Range derived from ASTM A500 sizes — cross-check with the CISC tables.
xyb = 406.4d = 406.4t = 19.05t = 19.05
Cross-section, to scaledimensions in mm

Dimensions

Depthd
406.4mm
Widthb
406.4mm
Thicknesst
19.05mm
Outside corner radiusro
38.1mm

Mass and area

Mass per lengthm
224.4kg/m
Cross-sectional areaA
28,582mm²
Outside perimeterP
1,560mm

Strong axis x–x

Moment of inertiaIx
702.710⁶ mm⁴
Elastic section modulusSx
3,45810³ mm³
Plastic section modulusZx
4,10410³ mm³
Radius of gyrationrx
156.8mm

Weak axis y–y

Moment of inertiaIy
702.710⁶ mm⁴
Elastic section modulusSy
3,45810³ mm³
Plastic section modulusZy
4,10410³ mm³
Radius of gyrationry
156.8mm

Torsion and stability

Torsional constantJ
1,136,15010³ mm⁴

Equivalents in other standards