Rectangular and square HSS

HSS 229x76x4.8

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 = 76.2d = 228.6t = 4.76t = 4.76
Cross-section, to scaledimensions in mm

Dimensions

Depthd
228.6mm
Widthb
76.2mm
Thicknesst
4.76mm
Outside corner radiusro
9.52mm

Mass and area

Mass per lengthm
21.61kg/m
Cross-sectional areaA
2,753mm²
Outside perimeterP
593.3mm

Strong axis x–x

Moment of inertiaIx
16.6810⁶ mm⁴
Elastic section modulusSx
145.910³ mm³
Plastic section modulusZx
188.810³ mm³
Radius of gyrationrx
77.84mm

Weak axis y–y

Moment of inertiaIy
2.93510⁶ mm⁴
Elastic section modulusSy
77.0410³ mm³
Plastic section modulusZy
86.1510³ mm³
Radius of gyrationry
32.66mm

Torsion and stability

Torsional constantJ
8,39410³ mm⁴

Equivalents in other standards