MGP pine – common sizes

70x45

Standard: AS/NZS 1748 / AS 1720.1Source: Common sizes, calculated
xyb = 45d = 70
Cross-section, to scaledimensions in mm

Dimensions

Depthd
70mm
Widthb
45mm

Mass and area

Cross-sectional areaA
3,150mm²
Outside perimeterP
230mm

Strong axis x–x

Moment of inertiaIx
1.28610⁶ mm⁴
Elastic section modulusSx
36.7510³ mm³
Plastic section modulusZx
55.1310³ mm³
Radius of gyrationrx
20.21mm

Weak axis y–y

Moment of inertiaIy
0.531610⁶ mm⁴
Elastic section modulusSy
23.6310³ mm³
Plastic section modulusZy
35.4410³ mm³
Radius of gyrationry
12.99mm

Torsion and stability

Torsional constantJ
1,27710³ mm⁴

Equivalents in other standards