Rectangular and square HSS

HSS 610x508x8.0

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 = 508d = 609.6t = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
609.6mm
Widthb
508mm
Thicknesst
7.94mm
Outside corner radiusro
15.88mm

Mass and area

Mass per lengthm
136.1kg/m
Cross-sectional areaA
17,333mm²
Outside perimeterP
2,208mm

Strong axis x–x

Moment of inertiaIx
992.110⁶ mm⁴
Elastic section modulusSx
3,25510³ mm³
Plastic section modulusZx
3,77710³ mm³
Radius of gyrationrx
239.2mm

Weak axis y–y

Moment of inertiaIy
752.610⁶ mm⁴
Elastic section modulusSy
2,96310³ mm³
Plastic section modulusZy
3,34110³ mm³
Radius of gyrationry
208.4mm

Torsion and stability

Torsional constantJ
1,316,26010³ mm⁴

Equivalents in other standards