Dimension lumber (CSA O141)

38x286

Standard: CSA O141Source: Actual metric sizes, calculated
xyb = 38d = 286
Cross-section, to scaledimensions in mm

Dimensions

Depthd
286mm
Widthb
38mm

Mass and area

Cross-sectional areaA
10,868mm²
Outside perimeterP
648mm

Strong axis x–x

Moment of inertiaIx
74.0810⁶ mm⁴
Elastic section modulusSx
51810³ mm³
Plastic section modulusZx
777.110³ mm³
Radius of gyrationrx
82.56mm

Weak axis y–y

Moment of inertiaIy
1.30810⁶ mm⁴
Elastic section modulusSy
68.8310³ mm³
Plastic section modulusZy
103.210³ mm³
Radius of gyrationry
10.97mm

Torsion and stability

Torsional constantJ
4,79310³ mm⁴

Equivalents in other standards