Rectangular and square HSS

HSS 38x38x4.8

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 = 38.1d = 38.1t = 4.78t = 4.78
Cross-section, to scaledimensions in mm

Dimensions

Depthd
38.1mm
Widthb
38.1mm
Thicknesst
4.78mm
Outside corner radiusro
9.55mm

Mass and area

Mass per lengthm
4.54kg/m
Cross-sectional areaA
578.4mm²
Outside perimeterP
136mm

Strong axis x–x

Moment of inertiaIx
0.101110⁶ mm⁴
Elastic section modulusSx
5.30610³ mm³
Plastic section modulusZx
6.94910³ mm³
Radius of gyrationrx
13.22mm

Weak axis y–y

Moment of inertiaIy
0.101110⁶ mm⁴
Elastic section modulusSy
5.30610³ mm³
Plastic section modulusZy
6.94910³ mm³
Radius of gyrationry
13.22mm

Torsion and stability

Torsional constantJ
184.110³ mm⁴

Equivalents in other standards