Round HSS

HSS 559x13

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.
xyD = 558.8t = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
558.8mm
Thicknesst
12.7mm

Mass and area

Mass per lengthm
171kg/m
Cross-sectional areaA
21,788mm²
Outside perimeterP
1,756mm

Strong axis x–x

Moment of inertiaIx
812.710⁶ mm⁴
Elastic section modulusSx
2,90910³ mm³
Plastic section modulusZx
3,78810³ mm³
Radius of gyrationrx
193.1mm

Weak axis y–y

Moment of inertiaIy
812.710⁶ mm⁴
Elastic section modulusSy
2,90910³ mm³
Plastic section modulusZy
3,78810³ mm³
Radius of gyrationry
193.1mm

Torsion and stability

Torsional constantJ
1,625,34010³ mm⁴

Equivalents in other standards