Rectangular and square HSS

HSS 610x305x16

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 = 304.8d = 609.6t = 15.88t = 15.88
Cross-section, to scaledimensions in mm

Dimensions

Depthd
609.6mm
Widthb
304.8mm
Thicknesst
15.88mm
Outside corner radiusro
31.75mm

Mass and area

Mass per lengthm
215kg/m
Cross-sectional areaA
27,384mm²
Outside perimeterP
1,774mm

Strong axis x–x

Moment of inertiaIx
1,30510⁶ mm⁴
Elastic section modulusSx
4,28110³ mm³
Plastic section modulusZx
5,32910³ mm³
Radius of gyrationrx
218.3mm

Weak axis y–y

Moment of inertiaIy
443.810⁶ mm⁴
Elastic section modulusSy
2,91210³ mm³
Plastic section modulusZy
3,29210³ mm³
Radius of gyrationry
127.3mm

Torsion and stability

Torsional constantJ
1,080,07010³ mm⁴

Equivalents in other standards