American White Oak Wood

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American White Oak Wood
Categories:	Wood and Natural Products; Wood; Hardwood
Material Notes:	Due to acidic nature, may stain when in contact with iron under damp conditions. May also corrode metals. Ring-Porous Hardwood. Least easy to work with hand tools. Excellent steam bending, excellent planing, fair shaping. Data is based on small, clear, air-dried samples unless specified. Usual surface texture: Medium Dimensional changes when dried lumber is subjected to variations in humidity during service: Medium Resistance to fungal decay (Heartwood in ground contact): Durable (15 to 25 years) Resistance to penetration by preservatives: Extremely resistant Common Applications: Furniture, cabinet work. Tight cooperage Property values marked by an asterisk (*) have been taken from an unusually old reference source.
Key Words:	Quercus alba; Q.spp.; Lumber, Timber
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Physical Properties	Metric	English	Comments

Density	0.600 g/cc	0.0217 lb/in³	Oven Dry Weight/Unseasoned Volume
	0.993 g/cc	0.0359 lb/in³	Unseasoned*

Mechanical Properties	Metric	English	Comments
Hardness, Wood Indentation	4700 N	1060 lb (f)	Side. Force required to imbed a 0.444 inch steel ball to one-half its diameter
	5000 N	1120 lb (f)	End. Force required to imbed a 0.444 inch steel ball to one-half its diameter
	6000 N	1350 lb (f)	Side
Tensile Strength, Ultimate	5.31 MPa	770 psi	Perpendicular to Grain*
	5.50 MPa	798 psi	Perpendicular to Grain
Modulus of Rupture	0.0572 GPa	8.30 ksi	Static Bending*
	0.105 GPa	15.2 ksi	In Bending
Flexural Yield Strength	32.4 MPa	4700 psi	Fiber Stress at Elastic Limit; Static Bending*
	56.5 MPa	8190 psi	Bending stress at proportional limit
Flexural Modulus	8.62 GPa	1250 ksi	Static Bending*
	12.28 - 12.4 GPa	1781 - 1800 ksi	In Bending
Compressive Strength	5.72 MPa	830 psi	Perpendicular to Grain*
	9.10 MPa	1320 psi	Perpendicular to Grain
	20.6 MPa	2990 psi	Parallel to Grain*
	24.5 MPa	3560 psi	Max Crushing Strength Parallel to Grain*
	48.3 - 51.0 MPa	7010 - 7400 psi	Parallel to Grain
Poissons Ratio	0.036	0.036	µ_TL, 12% Moisture Content
	0.074	0.074	µ_RL, 12% Moisture Content
	0.30	0.30	µ_TR, 12% Moisture Content
	0.369	0.369	µ_LR, 12% Moisture Content
	0.428	0.428	µ_LT, 12% Moisture Content
	0.618	0.618	µ_RT, 12% Moisture Content
Machinability	50 %	50 %	Medium Relative to Other Wood
Shear Strength	8.62 MPa	1250 psi	Parallel to Grain*
	13.5 MPa	1960 psi	Orientation Unknown
Impact	4.2	4.2	in-lb/in³; Work to Elastic Limit; Unseasoned Sample; Impact Bending*
	10700	10700	psi; Fiber Stress at Elastic Limit; Unseasoned Sample; Impact Bending*
Work to Elastic Limit	0.00745 J/cm³	1.08 in-lb/in³	Static Bending*
Work to Maximum Load	0.0793 J/cm³	11.5 in-lb/in³	Static Bending*
Toughness	35.0 J	25.8 ft-lb	Tangential
	38.4 J	28.3 ft-lb	Radial
Cleavage	67.0 kN/m	382 lb/in	Radial surface of failure, Unseasoned*
	80.0 kN/m	456 lb/in	Tangential surface of failure, Unseasoned*

Thermal Properties	Metric	English	Comments
CTE, linear	4.90 µm/m-°C @Temperature 20.0 °C	2.72 µin/in-°F @Temperature 68.0 °F	Axial. Typical value for Oak.
	11.1 µm/m-°C @Temperature 20.0 °C	6.17 µin/in-°F @Temperature 68.0 °F	Radial; Typical value for Oak.
	54.4 µm/m-°C @Temperature 20.0 °C	30.2 µin/in-°F @Temperature 68.0 °F	Tangential. Typical value for Oak.
Shrinkage	5.3 %	5.3 %	Radial; Green to Zero Moisture
	9.6 %	9.6 %	Tangential; Green to Zero Moisture
	18.9 %	18.9 %	Volumetric; Green to Zero Moisture

Descriptive Properties
Color	Pale yellow to mid-brown		Usual for heartwood

References for this datasheet.

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