American Red Oak Wood

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American Red Oak Wood
Categories:	Wood and Natural Products; Wood; Hardwood
Material Notes:	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. Property values marked by an asterisk (*) have been taken from an unusually old reference source.
Key Words:	Quercus rubra; Lumber, Timber
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Physical Properties	Original Value	Comments

Density	0.560 g/cc	Oven Dry Weight/Unseasoned Volume
	0.610 g/cc	at 12% moisture content

Mechanical Properties	Original Value	Comments
Hardness, Wood Indentation	4200 N	Side. Force required to imbed a 0.444 inch steel ball to one-half its diameter
	4500 N	End. Force required to imbed a 0.444 inch steel ball to one-half its diameter
Tensile Strength, Ultimate	5.50 MPa	Perpendicular to Grain
	740 psi	Perpendicular to Grain*
Modulus of Rupture	0.0990 GPa	In Bending
	7.70 ksi	Static Bending*
Flexural Yield Strength	57.9 MPa	Bending stress at proportional limit
	3700 psi	Fiber Stress at Elastic Limit; Static Bending*
Flexural Modulus	12.4 - 12.56 GPa	In Bending
	1290 ksi	Static Bending*
Compressive Strength	8.60 MPa	Perpendicular to Grain
	47.0 - 48.9 MPa	Parallel to Grain
	730 psi	Perpendicular to Grain*
	2330 psi	Parallel to Grain*
	3200 psi	Max Crushing Strength Parallel to Grain*
Poissons Ratio	0.033	µ_TL, 12% Moisture Content
	0.064	µ_RL, 12% Moisture Content
	0.292	µ_TR, 12% Moisture Content
	0.35	µ_LR, 12% Moisture Content
	0.448	µ_LT, 12% Moisture Content
	0.56	µ_RT, 12% Moisture Content
Shear Strength	1120 psi	Parallel to Grain*
Impact	3.9	in-lb/in³; Work to Elastic Limit; Unseasoned Sample; Impact Bending*
	10400	psi; Fiber Stress at Elastic Limit; Unseasoned Sample; Impact Bending*
Work to Elastic Limit	0.650 in-lb/in³	Static Bending*
Work to Maximum Load	11.5 in-lb/in³	Static Bending*
Cleavage	67.0 kN/m	Radial surface of failure, Unseasoned*
	82.0 kN/m	Tangential surface of failure, Unseasoned*

Thermal Properties	Original Value	Comments
CTE, linear	4.90 µm/m-°C @Temperature 20.0 °C	Axial. Typical value for Oak.
	11.1 µm/m-°C @Temperature 20.0 °C	Radial; Typical value for Oak.
	54.4 µm/m-°C @Temperature 20.0 °C	Tangential. Typical value for Oak.
Shrinkage	2.05 %	Tangential; Unseasoned to Oven Dry*
	4.0 %	Volumetric; Unseasoned to Oven Dry*
	8.2 %	Radial; Unseasoned to Oven Dry*

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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