Rectangular and square HSS

HSS 305x152x8.0

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 = 304.8t = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
304.8mm
Widthb
152.4mm
Thicknesst
7.94mm
Outside corner radiusro
15.88mm

Mass and area

Mass per lengthm
53.74kg/m
Cross-sectional areaA
6,846mm²
Outside perimeterP
887.1mm

Strong axis x–x

Moment of inertiaIx
81.5510⁶ mm⁴
Elastic section modulusSx
535.110³ mm³
Plastic section modulusZx
666.110³ mm³
Radius of gyrationrx
109.1mm

Weak axis y–y

Moment of inertiaIy
27.7410⁶ mm⁴
Elastic section modulusSy
36410³ mm³
Plastic section modulusZy
411.510³ mm³
Radius of gyrationry
63.66mm

Torsion and stability

Torsional constantJ
67,50410³ mm⁴

Equivalents in other standards