Rectangular and square HSS

HSS 559x254x16

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 = 15.88t = 15.88
Cross-section, to scaledimensions in mm

Dimensions

Depthd
558.8mm
Widthb
254mm
Thicknesst
15.88mm
Outside corner radiusro
31.75mm

Mass and area

Mass per lengthm
189.6kg/m
Cross-sectional areaA
24,157mm²
Outside perimeterP
1,571mm

Strong axis x–x

Moment of inertiaIx
932.510⁶ mm⁴
Elastic section modulusSx
3,33810³ mm³
Plastic section modulusZx
4,21610³ mm³
Radius of gyrationrx
196.5mm

Weak axis y–y

Moment of inertiaIy
27110⁶ mm⁴
Elastic section modulusSy
2,13410³ mm³
Plastic section modulusZy
2,42510³ mm³
Radius of gyrationry
105.9mm

Torsion and stability

Torsional constantJ
694,67810³ mm⁴

Equivalents in other standards