Rectangular and square HSS

HSS 229x178x4.8

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 = 177.8d = 228.6t = 4.76t = 4.76
Cross-section, to scaledimensions in mm

Dimensions

Depthd
228.6mm
Widthb
177.8mm
Thicknesst
4.76mm
Outside corner radiusro
9.52mm

Mass and area

Mass per lengthm
29.2kg/m
Cross-sectional areaA
3,720mm²
Outside perimeterP
796.5mm

Strong axis x–x

Moment of inertiaIx
28.810⁶ mm⁴
Elastic section modulusSx
251.910³ mm³
Plastic section modulusZx
297.110³ mm³
Radius of gyrationrx
87.98mm

Weak axis y–y

Moment of inertiaIy
19.6210⁶ mm⁴
Elastic section modulusSy
220.710³ mm³
Plastic section modulusZy
250.610³ mm³
Radius of gyrationry
72.63mm

Torsion and stability

Torsional constantJ
36,49710³ mm⁴

Equivalents in other standards