Rectangular and square HSS

HSS 610x203x8.0

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 = 203.2d = 609.6t = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
609.6mm
Widthb
203.2mm
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
554.110⁶ mm⁴
Elastic section modulusSx
1,81810³ mm³
Plastic section modulusZx
2,32110³ mm³
Radius of gyrationrx
210.6mm

Weak axis y–y

Moment of inertiaIy
99.3910⁶ mm⁴
Elastic section modulusSy
978.310³ mm³
Plastic section modulusZy
1,06810³ mm³
Radius of gyrationry
89.2mm

Torsion and stability

Torsional constantJ
278,28010³ mm⁴

Equivalents in other standards