Rectangular and square HSS

HSS 610x203x13

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 = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
609.6mm
Widthb
203.2mm
Thicknesst
12.7mm
Outside corner radiusro
25.4mm

Mass and area

Mass per lengthm
153.7kg/m
Cross-sectional areaA
19,585mm²
Outside perimeterP
1,582mm

Strong axis x–x

Moment of inertiaIx
843.810⁶ mm⁴
Elastic section modulusSx
2,76910³ mm³
Plastic section modulusZx
3,58210³ mm³
Radius of gyrationrx
207.6mm

Weak axis y–y

Moment of inertiaIy
148.510⁶ mm⁴
Elastic section modulusSy
1,46210³ mm³
Plastic section modulusZy
1,63410³ mm³
Radius of gyrationry
87.08mm

Torsion and stability

Torsional constantJ
424,66010³ mm⁴

Equivalents in other standards