Rectangular and square HSS

HSS 229x178x16

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 = 15.88t = 15.88
Cross-section, to scaledimensions in mm

Dimensions

Depthd
228.6mm
Widthb
177.8mm
Thicknesst
15.88mm
Outside corner radiusro
31.75mm

Mass and area

Mass per lengthm
88.31kg/m
Cross-sectional areaA
11,250mm²
Outside perimeterP
758.3mm

Strong axis x–x

Moment of inertiaIx
76.1610⁶ mm⁴
Elastic section modulusSx
666.310³ mm³
Plastic section modulusZx
83610³ mm³
Radius of gyrationrx
82.28mm

Weak axis y–y

Moment of inertiaIy
51.2110⁶ mm⁴
Elastic section modulusSy
57610³ mm³
Plastic section modulusZy
701.410³ mm³
Radius of gyrationry
67.47mm

Torsion and stability

Torsional constantJ
104,33810³ mm⁴

Equivalents in other standards