Rectangular and square HSS

HSS 559x254x8.0

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 = 254d = 558.8t = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
558.8mm
Widthb
254mm
Thicknesst
7.94mm
Outside corner radiusro
15.88mm

Mass and area

Mass per lengthm
98.07kg/m
Cross-sectional areaA
12,493mm²
Outside perimeterP
1,598mm

Strong axis x–x

Moment of inertiaIx
505.210⁶ mm⁴
Elastic section modulusSx
1,80810³ mm³
Plastic section modulusZx
2,23610³ mm³
Radius of gyrationrx
201.1mm

Weak axis y–y

Moment of inertiaIy
149.710⁶ mm⁴
Elastic section modulusSy
1,17910³ mm³
Plastic section modulusZy
1,29610³ mm³
Radius of gyrationry
109.5mm

Torsion and stability

Torsional constantJ
370,45510³ mm⁴

Equivalents in other standards