Rectangular and square HSS

HSS 229x178x9.5

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.
xyb = 177.8d = 228.6t = 9.52t = 9.52
Cross-section, to scaledimensions in mm

Dimensions

Depthd
228.6mm
Widthb
177.8mm
Thicknesst
9.52mm
Outside corner radiusro
19.05mm

Mass and area

Mass per lengthm
56.06kg/m
Cross-sectional areaA
7,142mm²
Outside perimeterP
780.1mm

Strong axis x–x

Moment of inertiaIx
52.2910⁶ mm⁴
Elastic section modulusSx
457.510³ mm³
Plastic section modulusZx
553.610³ mm³
Radius of gyrationrx
85.57mm

Weak axis y–y

Moment of inertiaIy
35.4210⁶ mm⁴
Elastic section modulusSy
398.510³ mm³
Plastic section modulusZy
465.810³ mm³
Radius of gyrationry
70.43mm

Torsion and stability

Torsional constantJ
68,55310³ mm⁴

Equivalents in other standards