Rectangular and square HSS

HSS 559x356x8.0

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 = 355.6d = 558.8t = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
558.8mm
Widthb
355.6mm
Thicknesst
7.94mm
Outside corner radiusro
15.88mm

Mass and area

Mass per lengthm
110.7kg/m
Cross-sectional areaA
14,106mm²
Outside perimeterP
1,802mm

Strong axis x–x

Moment of inertiaIx
627.710⁶ mm⁴
Elastic section modulusSx
2,24610³ mm³
Plastic section modulusZx
2,68010³ mm³
Radius of gyrationrx
210.9mm

Weak axis y–y

Moment of inertiaIy
31510⁶ mm⁴
Elastic section modulusSy
1,77210³ mm³
Plastic section modulusZy
1,97210³ mm³
Radius of gyrationry
149.4mm

Torsion and stability

Torsional constantJ
655,13210³ mm⁴

Equivalents in other standards