Rectangular and square HSS

HSS 610x406x13

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 = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
609.6mm
Widthb
406.4mm
Thicknesst
12.7mm
Outside corner radiusro
25.4mm

Mass and area

Mass per lengthm
194.3kg/m
Cross-sectional areaA
24,746mm²
Outside perimeterP
1,988mm

Strong axis x–x

Moment of inertiaIx
1,30410⁶ mm⁴
Elastic section modulusSx
4,27710³ mm³
Plastic section modulusZx
5,12210³ mm³
Radius of gyrationrx
229.5mm

Weak axis y–y

Moment of inertiaIy
700.510⁶ mm⁴
Elastic section modulusSy
3,44710³ mm³
Plastic section modulusZy
3,88610³ mm³
Radius of gyrationry
168.3mm

Torsion and stability

Torsional constantJ
1,437,30010³ mm⁴

Equivalents in other standards