Rectangular and square HSS

HSS 559x254x9.5

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 = 9.52t = 9.52
Cross-section, to scaledimensions in mm

Dimensions

Depthd
558.8mm
Widthb
254mm
Thicknesst
9.52mm
Outside corner radiusro
19.05mm

Mass and area

Mass per lengthm
116.8kg/m
Cross-sectional areaA
14,880mm²
Outside perimeterP
1,593mm

Strong axis x–x

Moment of inertiaIx
596.310⁶ mm⁴
Elastic section modulusSx
2,13410³ mm³
Plastic section modulusZx
2,65010³ mm³
Radius of gyrationrx
200.2mm

Weak axis y–y

Moment of inertiaIy
17610⁶ mm⁴
Elastic section modulusSy
1,38610³ mm³
Plastic section modulusZy
1,53410³ mm³
Radius of gyrationry
108.8mm

Torsion and stability

Torsional constantJ
438,65710³ mm⁴

Equivalents in other standards