Round HSS

HSS 140x13

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 = 139.7t = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
139.7mm
Thicknesst
12.7mm

Mass and area

Mass per lengthm
39.78kg/m
Cross-sectional areaA
5,067mm²
Outside perimeterP
438.9mm

Strong axis x–x

Moment of inertiaIx
10.3210⁶ mm⁴
Elastic section modulusSx
147.710³ mm³
Plastic section modulusZx
205.510³ mm³
Radius of gyrationrx
45.13mm

Weak axis y–y

Moment of inertiaIy
10.3210⁶ mm⁴
Elastic section modulusSy
147.710³ mm³
Plastic section modulusZy
205.510³ mm³
Radius of gyrationry
45.13mm

Torsion and stability

Torsional constantJ
20,63610³ mm⁴

Equivalents in other standards