Round HSS

HSS 325x13

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 = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
325.1mm
Thicknesst
12.7mm

Mass and area

Mass per lengthm
97.84kg/m
Cross-sectional areaA
12,464mm²
Outside perimeterP
1,021mm

Strong axis x–x

Moment of inertiaIx
152.310⁶ mm⁴
Elastic section modulusSx
93710³ mm³
Plastic section modulusZx
1,24010³ mm³
Radius of gyrationrx
110.5mm

Weak axis y–y

Moment of inertiaIy
152.310⁶ mm⁴
Elastic section modulusSy
93710³ mm³
Plastic section modulusZy
1,24010³ mm³
Radius of gyrationry
110.5mm

Torsion and stability

Torsional constantJ
304,61010³ mm⁴

Equivalents in other standards