Dimension lumber (CSA O141)

89x286

Standard: CSA O141Source: Actual metric sizes, calculated
xyb = 89d = 286
Cross-section, to scaledimensions in mm

Dimensions

Depthd
286mm
Widthb
89mm

Mass and area

Cross-sectional areaA
25,454mm²
Outside perimeterP
750mm

Strong axis x–x

Moment of inertiaIx
173.510⁶ mm⁴
Elastic section modulusSx
1,21310³ mm³
Plastic section modulusZx
1,82010³ mm³
Radius of gyrationrx
82.56mm

Weak axis y–y

Moment of inertiaIy
16.810⁶ mm⁴
Elastic section modulusSy
377.610³ mm³
Plastic section modulusZy
566.410³ mm³
Radius of gyrationry
25.69mm

Torsion and stability

Torsional constantJ
54,04210³ mm⁴

Equivalents in other standards