Round HSS

HSS 325x6.4

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 = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
325.1mm
Thicknesst
6.35mm

Mass and area

Mass per lengthm
49.92kg/m
Cross-sectional areaA
6,359mm²
Outside perimeterP
1,021mm

Strong axis x–x

Moment of inertiaIx
80.7910⁶ mm⁴
Elastic section modulusSx
49710³ mm³
Plastic section modulusZx
645.310³ mm³
Radius of gyrationrx
112.7mm

Weak axis y–y

Moment of inertiaIy
80.7910⁶ mm⁴
Elastic section modulusSy
49710³ mm³
Plastic section modulusZy
645.310³ mm³
Radius of gyrationry
112.7mm

Torsion and stability

Torsional constantJ
161,58010³ mm⁴

Equivalents in other standards