Round HSS

HSS 325x19

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 = 325.1t = 19.05t = 19.05
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
325.1mm
Thicknesst
19.05mm

Mass and area

Mass per lengthm
143.8kg/m
Cross-sectional areaA
18,316mm²
Outside perimeterP
1,021mm

Strong axis x–x

Moment of inertiaIx
215.310⁶ mm⁴
Elastic section modulusSx
1,32410³ mm³
Plastic section modulusZx
1,78710³ mm³
Radius of gyrationrx
108.4mm

Weak axis y–y

Moment of inertiaIy
215.310⁶ mm⁴
Elastic section modulusSy
1,32410³ mm³
Plastic section modulusZy
1,78710³ mm³
Radius of gyrationry
108.4mm

Torsion and stability

Torsional constantJ
430,56810³ mm⁴

Equivalents in other standards