Rectangular and square HSS

HSS 229x229x4.8

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 = 228.6d = 228.6t = 4.76t = 4.76
Cross-section, to scaledimensions in mm

Dimensions

Depthd
228.6mm
Widthb
228.6mm
Thicknesst
4.76mm
Outside corner radiusro
9.52mm

Mass and area

Mass per lengthm
33kg/m
Cross-sectional areaA
4,204mm²
Outside perimeterP
898.1mm

Strong axis x–x

Moment of inertiaIx
34.8610⁶ mm⁴
Elastic section modulusSx
30510³ mm³
Plastic section modulusZx
351.210³ mm³
Radius of gyrationrx
91.06mm

Weak axis y–y

Moment of inertiaIy
34.8610⁶ mm⁴
Elastic section modulusSy
30510³ mm³
Plastic section modulusZy
351.210³ mm³
Radius of gyrationry
91.06mm

Torsion and stability

Torsional constantJ
54,06310³ mm⁴

Equivalents in other standards