American Northern White Cedar (Eastern Arborvitae) Wood

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American Northern White Cedar (Eastern Arborvitae) Wood
Categories:	Wood and Natural Products; Wood; Softwood
Material Notes:	Conifer Property values marked by an asterisk (*) have been taken from an unusually old reference source.
Key Words:	Thuga occidentalis; Lumber, Timber
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Physical Properties	Original Value	Comments

Density	0.290 g/cc	Oven Dry Weight/Unseasoned Volume
	28.0 lb/ft³	Unseasoned*

Mechanical Properties	Original Value	Comments
Hardness, Wood Indentation	1000 N	Side. Force required to imbed a 0.444 inch steel ball to one-half its diameter
	1400 N	End. Force required to imbed a 0.444 inch steel ball to one-half its diameter
Tensile Strength, Ultimate	240 psi	Perpendicular to Grain*
Modulus of Rupture	4.20 ksi	Static Bending*
Flexural Yield Strength	2600 psi	Fiber Stress at Elastic Limit; Static Bending*
Flexural Modulus	640 ksi	Static Bending*
Compressive Strength	290 psi	Perpendicular to Grain*
	1420 psi	Parallel to Grain*
	1990 psi	Max Crushing Strength Parallel to Grain*
Poissons Ratio	0.337	µ_LR, 12% Moisture Content
	0.34	µ_LT, 12% Moisture Content
	0.345	µ_TR, 12% Moisture Content
	0.458	µ_RT, 12% Moisture Content
Shear Strength	620 psi	Parallel to Grain*
Impact	49	in-lb/in³; Work to Elastic Limit; Unseasoned Sample; Impact Bending*
	5300	psi; Fiber Stress at Elastic Limit; Unseasoned Sample; Impact Bending*
Work to Elastic Limit	0.600 in-lb/in³	Static Bending*
Work to Maximum Load	5.70 in-lb/in³	Static Bending*
Cleavage	24.0 kN/m	Tangential surface of failure, Unseasoned*
	26.0 kN/m	Radial surface of failure, Unseasoned*

Thermal Properties	Original Value	Comments
Thermal Conductivity	0.550 BTU-in/hr-ft²-°F	Oven Dry
	0.650 BTU-in/hr-ft²-°F	12% Moisture Content
Shrinkage	2.1 %	Radial; Unseasoned to Oven Dry*
	4.7 %	Tangential; Unseasoned to Oven Dry*
	6.9 %	Volumetric; Unseasoned to Oven Dry*

References for this datasheet.

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