Rectangular and square HSS

HSS 229x76x9.5

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 = 76.2d = 228.6t = 9.52t = 9.52
Cross-section, to scaledimensions in mm

Dimensions

Depthd
228.6mm
Widthb
76.2mm
Thicknesst
9.52mm
Outside corner radiusro
19.05mm

Mass and area

Mass per lengthm
40.88kg/m
Cross-sectional areaA
5,207mm²
Outside perimeterP
576.9mm

Strong axis x–x

Moment of inertiaIx
29.0710⁶ mm⁴
Elastic section modulusSx
254.310³ mm³
Plastic section modulusZx
341.710³ mm³
Radius of gyrationrx
74.71mm

Weak axis y–y

Moment of inertiaIy
4.86110⁶ mm⁴
Elastic section modulusSy
127.610³ mm³
Plastic section modulusZy
152.210³ mm³
Radius of gyrationry
30.55mm

Torsion and stability

Torsional constantJ
14,65910³ mm⁴

Equivalents in other standards