Rectangular and square HSS

HSS 610x406x19

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 = 609.6t = 19.05t = 19.05
Cross-section, to scaledimensions in mm

Dimensions

Depthd
609.6mm
Widthb
406.4mm
Thicknesst
19.05mm
Outside corner radiusro
38.1mm

Mass and area

Mass per lengthm
285.1kg/m
Cross-sectional areaA
36,323mm²
Outside perimeterP
1,967mm

Strong axis x–x

Moment of inertiaIx
1,85810⁶ mm⁴
Elastic section modulusSx
6,09710³ mm³
Plastic section modulusZx
7,40110³ mm³
Radius of gyrationrx
226.2mm

Weak axis y–y

Moment of inertiaIy
993.310⁶ mm⁴
Elastic section modulusSy
4,88810³ mm³
Plastic section modulusZy
5,60410³ mm³
Radius of gyrationry
165.4mm

Torsion and stability

Torsional constantJ
2,082,74010³ mm⁴

Equivalents in other standards