Rectangular and square HSS

HSS 610x457x13

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 = 457.2d = 609.6t = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
609.6mm
Widthb
457.2mm
Thicknesst
12.7mm
Outside corner radiusro
25.4mm

Mass and area

Mass per lengthm
204.4kg/m
Cross-sectional areaA
26,036mm²
Outside perimeterP
2,090mm

Strong axis x–x

Moment of inertiaIx
1,41910⁶ mm⁴
Elastic section modulusSx
4,65410³ mm³
Plastic section modulusZx
5,50710³ mm³
Radius of gyrationrx
233.4mm

Weak axis y–y

Moment of inertiaIy
914.210⁶ mm⁴
Elastic section modulusSy
3,99910³ mm³
Plastic section modulusZy
4,53110³ mm³
Radius of gyrationry
187.4mm

Torsion and stability

Torsional constantJ
1,741,67010³ mm⁴

Equivalents in other standards