Dimension lumber (CSA O141)

64x89

Standard: CSA O141Source: Actual metric sizes, calculated
xyb = 64d = 89
Cross-section, to scaledimensions in mm

Dimensions

Depthd
89mm
Widthb
64mm

Mass and area

Cross-sectional areaA
5,696mm²
Outside perimeterP
306mm

Strong axis x–x

Moment of inertiaIx
3.7610⁶ mm⁴
Elastic section modulusSx
84.4910³ mm³
Plastic section modulusZx
126.710³ mm³
Radius of gyrationrx
25.69mm

Weak axis y–y

Moment of inertiaIy
1.94410⁶ mm⁴
Elastic section modulusSy
60.7610³ mm³
Plastic section modulusZy
91.1410³ mm³
Radius of gyrationry
18.48mm

Torsion and stability

Torsional constantJ
4,33210³ mm⁴

Equivalents in other standards