Round HSS

HSS 175x6.4

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 = 174.8t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
174.8mm
Thicknesst
6.35mm

Mass and area

Mass per lengthm
26.38kg/m
Cross-sectional areaA
3,360mm²
Outside perimeterP
549.2mm

Strong axis x–x

Moment of inertiaIx
11.9410⁶ mm⁴
Elastic section modulusSx
136.610³ mm³
Plastic section modulusZx
180.310³ mm³
Radius of gyrationrx
59.6mm

Weak axis y–y

Moment of inertiaIy
11.9410⁶ mm⁴
Elastic section modulusSy
136.610³ mm³
Plastic section modulusZy
180.310³ mm³
Radius of gyrationry
59.6mm

Torsion and stability

Torsional constantJ
23,87210³ mm⁴

Equivalents in other standards