Round HSS

HSS 325x16

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.

Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD: 325.1mm
Thicknesst: 15.88mm

Mass and area

Mass per lengthm: 121.1kg/m
Cross-sectional areaA: 15,427mm²
Outside perimeterP: 1,021mm

Strong axis x–x

Moment of inertiaIx: 184.910⁶ mm⁴
Elastic section modulusSx: 1,13710³ mm³
Plastic section modulusZx: 1,52010³ mm³
Radius of gyrationrx: 109.5mm

Weak axis y–y

Moment of inertiaIy: 184.910⁶ mm⁴
Elastic section modulusSy: 1,13710³ mm³
Plastic section modulusZy: 1,52010³ mm³
Radius of gyrationry: 109.5mm

Torsion and stability

Torsional constantJ: 369,73210³ mm⁴