Rectangular and square HSS

HSS 203x152x8.0

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 = 152.4d = 203.2t = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203.2mm
Widthb
152.4mm
Thicknesst
7.94mm
Outside corner radiusro
15.88mm

Mass and area

Mass per lengthm
41.07kg/m
Cross-sectional areaA
5,232mm²
Outside perimeterP
683.9mm

Strong axis x–x

Moment of inertiaIx
30.1510⁶ mm⁴
Elastic section modulusSx
296.810³ mm³
Plastic section modulusZx
359.310³ mm³
Radius of gyrationrx
75.91mm

Weak axis y–y

Moment of inertiaIy
19.3110⁶ mm⁴
Elastic section modulusSy
253.510³ mm³
Plastic section modulusZy
294.910³ mm³
Radius of gyrationry
60.76mm

Torsion and stability

Torsional constantJ
38,12610³ mm⁴

Equivalents in other standards