Rectangular and square HSS

HSS 356x305x8.0

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 = 304.8d = 355.6t = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
355.6mm
Widthb
304.8mm
Thicknesst
7.94mm
Outside corner radiusro
15.88mm

Mass and area

Mass per lengthm
79.07kg/m
Cross-sectional areaA
10,073mm²
Outside perimeterP
1,294mm

Strong axis x–x

Moment of inertiaIx
193.110⁶ mm⁴
Elastic section modulusSx
1,08610³ mm³
Plastic section modulusZx
1,27110³ mm³
Radius of gyrationrx
138.5mm

Weak axis y–y

Moment of inertiaIy
152.710⁶ mm⁴
Elastic section modulusSy
1,00210³ mm³
Plastic section modulusZy
1,14510³ mm³
Radius of gyrationry
123.1mm

Torsion and stability

Torsional constantJ
266,25110³ mm⁴

Equivalents in other standards