Table 32 



Domestic and imported 



hardwoods 





Domestic 



General Characteristics 



Oak 



Maple 



Ash 



Birch 



Shrinkage in 



12.7 



12.0 



11.7 



15. Q 



volume from green 



to 



to 





to 



to ovendry 



17.7 



14.5 





16.8 



(pet) 











Modulus of rupture 



49.5 



40.1 



41.4 



59.2 



MPa 



to 73.8 



to 62.5 



to 68.9 



(green) 





(green) 



(green) 



(green) 







54.2 



105.2 



108.0 



133.8 





to 77.3 



(dry) 



(dry) 



(dry) 





(dry) 









Modulus of 



6.047 



6.502 



7.102 



10.27 



elasticity 



to 11.63 



to 10,16 



to 10.20 



to 10.64 



GPa 



(green) 



(green) 



(green) 



(green) 





9.108 



12.14 



9.618 



16.52 





to 14.36 



to 12.95 



to 12.26 



(dry) 





(dry) 



(dry) 



(dry) 





Imported 



General Characteristics 



Greenhart 



Shrinkage in 



3 









volume from green 











to ovendry 











(pet) 











Modulus of rupture 



123.4 









MPa 



(green) 



206.8 



(dry) 









Modulus of 



20.00 









elasticity 



(green) 









GPa 











245 



