Dimension lumber (CSA O141)

64x286

Standard: CSA O141Source: Actual metric sizes, calculated
xyb = 64d = 286
Cross-section, to scaledimensions in mm

Dimensions

Depthd
286mm
Widthb
64mm

Mass and area

Cross-sectional areaA
18,304mm²
Outside perimeterP
700mm

Strong axis x–x

Moment of inertiaIx
124.810⁶ mm⁴
Elastic section modulusSx
872.510³ mm³
Plastic section modulusZx
1,30910³ mm³
Radius of gyrationrx
82.56mm

Weak axis y–y

Moment of inertiaIy
6.24810⁶ mm⁴
Elastic section modulusSy
195.210³ mm³
Plastic section modulusZy
292.910³ mm³
Radius of gyrationry
18.48mm

Torsion and stability

Torsional constantJ
21,46910³ mm⁴

Equivalents in other standards