Rectangular and square HSS

HSS 508x203x8.0

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 = 203.2d = 508t = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
508mm
Widthb
203.2mm
Thicknesst
7.94mm
Outside corner radiusro
15.88mm

Mass and area

Mass per lengthm
85.4kg/m
Cross-sectional areaA
10,879mm²
Outside perimeterP
1,395mm

Strong axis x–x

Moment of inertiaIx
349.110⁶ mm⁴
Elastic section modulusSx
1,37410³ mm³
Plastic section modulusZx
1,72710³ mm³
Radius of gyrationrx
179.1mm

Weak axis y–y

Moment of inertiaIy
84.0110⁶ mm⁴
Elastic section modulusSy
826.810³ mm³
Plastic section modulusZy
910.610³ mm³
Radius of gyrationry
87.87mm

Torsion and stability

Torsional constantJ
220,66610³ mm⁴

Equivalents in other standards