Round HSS

HSS 457x19

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 = 457.2t = 19.05t = 19.05
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
457.2mm
Thicknesst
19.05mm

Mass and area

Mass per lengthm
205.8kg/m
Cross-sectional areaA
26,222mm²
Outside perimeterP
1,436mm

Strong axis x–x

Moment of inertiaIx
630.410⁶ mm⁴
Elastic section modulusSx
2,75810³ mm³
Plastic section modulusZx
3,65910³ mm³
Radius of gyrationrx
155.1mm

Weak axis y–y

Moment of inertiaIy
630.410⁶ mm⁴
Elastic section modulusSy
2,75810³ mm³
Plastic section modulusZy
3,65910³ mm³
Radius of gyrationry
155.1mm

Torsion and stability

Torsional constantJ
1,260,88010³ mm⁴

Equivalents in other standards