Dimension lumber (CSA O141)

64x140

Standard: CSA O141Source: Actual metric sizes, calculated
xyb = 64d = 140
Cross-section, to scaledimensions in mm

Dimensions

Depthd
140mm
Widthb
64mm

Mass and area

Cross-sectional areaA
8,960mm²
Outside perimeterP
408mm

Strong axis x–x

Moment of inertiaIx
14.6310⁶ mm⁴
Elastic section modulusSx
209.110³ mm³
Plastic section modulusZx
313.610³ mm³
Radius of gyrationrx
40.41mm

Weak axis y–y

Moment of inertiaIy
3.05810⁶ mm⁴
Elastic section modulusSy
95.5710³ mm³
Plastic section modulusZy
143.410³ mm³
Radius of gyrationry
18.48mm

Torsion and stability

Torsional constantJ
8,72310³ mm⁴

Equivalents in other standards