Rectangular and square HSS

HSS 559x406x9.5

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 = 558.8t = 9.52t = 9.52
Cross-section, to scaledimensions in mm

Dimensions

Depthd
558.8mm
Widthb
406.4mm
Thicknesst
9.52mm
Outside corner radiusro
19.05mm

Mass and area

Mass per lengthm
139.6kg/m
Cross-sectional areaA
17,781mm²
Outside perimeterP
1,898mm

Strong axis x–x

Moment of inertiaIx
815.210⁶ mm⁴
Elastic section modulusSx
2,91810³ mm³
Plastic section modulusZx
3,44710³ mm³
Radius of gyrationrx
214.1mm

Weak axis y–y

Moment of inertiaIy
501.810⁶ mm⁴
Elastic section modulusSy
2,46910³ mm³
Plastic section modulusZy
2,77810³ mm³
Radius of gyrationry
168mm

Torsion and stability

Torsional constantJ
967,86910³ mm⁴

Equivalents in other standards