Rectangular and square HSS

HSS 559x406x16

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 = 15.88t = 15.88
Cross-section, to scaledimensions in mm

Dimensions

Depthd
558.8mm
Widthb
406.4mm
Thicknesst
15.88mm
Outside corner radiusro
31.75mm

Mass and area

Mass per lengthm
227.6kg/m
Cross-sectional areaA
28,997mm²
Outside perimeterP
1,876mm

Strong axis x–x

Moment of inertiaIx
1,28910⁶ mm⁴
Elastic section modulusSx
4,61510³ mm³
Plastic section modulusZx
5,53010³ mm³
Radius of gyrationrx
210.9mm

Weak axis y–y

Moment of inertiaIy
790.210⁶ mm⁴
Elastic section modulusSy
3,88910³ mm³
Plastic section modulusZy
4,45010³ mm³
Radius of gyrationry
165.1mm

Torsion and stability

Torsional constantJ
1,559,02010³ mm⁴

Equivalents in other standards