Dimension lumber (CSA O141)

38x64

Standard: CSA O141Source: Actual metric sizes, calculated
xyb = 38d = 64
Cross-section, to scaledimensions in mm

Dimensions

Depthd
64mm
Widthb
38mm

Mass and area

Cross-sectional areaA
2,432mm²
Outside perimeterP
204mm

Strong axis x–x

Moment of inertiaIx
0.830110⁶ mm⁴
Elastic section modulusSx
25.9410³ mm³
Plastic section modulusZx
38.9110³ mm³
Radius of gyrationrx
18.48mm

Weak axis y–y

Moment of inertiaIy
0.292710⁶ mm⁴
Elastic section modulusSy
15.410³ mm³
Plastic section modulusZy
23.110³ mm³
Radius of gyrationry
10.97mm

Torsion and stability

Torsional constantJ
737.310³ mm⁴

Equivalents in other standards