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	Metric	English	Comments

Density	0.560 g/cc	0.0202 lb/in³	Oven Dry Weight/Unseasoned Volume
	0.610 g/cc	0.0220 lb/in³	at 12% moisture content

Mechanical Properties	Metric	English	Comments
Hardness, Wood Indentation	4200 N	944 lb (f)	Side. Force required to imbed a 0.444 inch steel ball to one-half its diameter
	4500 N	1010 lb (f)	End. Force required to imbed a 0.444 inch steel ball to one-half its diameter
Tensile Strength, Ultimate	5.10 MPa	740 psi	Perpendicular to Grain*
	5.50 MPa	798 psi	Perpendicular to Grain
Modulus of Rupture	0.0531 GPa	7.70 ksi	Static Bending*
	0.0990 GPa	14.4 ksi	In Bending
Flexural Yield Strength	25.5 MPa	3700 psi	Fiber Stress at Elastic Limit; Static Bending*
	57.9 MPa	8400 psi	Bending stress at proportional limit
Flexural Modulus	8.89 GPa	1290 ksi	Static Bending*
	12.4 - 12.56 GPa	1800 - 1822 ksi	In Bending
Compressive Strength	5.03 MPa	730 psi	Perpendicular to Grain*
	8.60 MPa	1250 psi	Perpendicular to Grain
	16.1 MPa	2330 psi	Parallel to Grain*
	22.1 MPa	3200 psi	Max Crushing Strength Parallel to Grain*
	47.0 - 48.9 MPa	6820 - 7090 psi	Parallel to Grain
Poissons Ratio	0.033	0.033	µ_TL, 12% Moisture Content
	0.064	0.064	µ_RL, 12% Moisture Content
	0.292	0.292	µ_TR, 12% Moisture Content
	0.35	0.35	µ_LR, 12% Moisture Content
	0.448	0.448	µ_LT, 12% Moisture Content
	0.56	0.56	µ_RT, 12% Moisture Content
Shear Strength	7.72 MPa	1120 psi	Parallel to Grain*
Impact	3.9	3.9	in-lb/in³; Work to Elastic Limit; Unseasoned Sample; Impact Bending*
	10400	10400	psi; Fiber Stress at Elastic Limit; Unseasoned Sample; Impact Bending*
Work to Elastic Limit	0.00448 J/cm³	0.650 in-lb/in³	Static Bending*
Work to Maximum Load	0.0793 J/cm³	11.5 in-lb/in³	Static Bending*
Cleavage	67.0 kN/m	382 lb/in	Radial surface of failure, Unseasoned*
	82.0 kN/m	468 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	2.05 %	2.05 %	Tangential; Unseasoned to Oven Dry*
	4.0 %	4.0 %	Volumetric; Unseasoned to Oven Dry*
	8.2 %	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 view all the property values for this datasheet as they were originally entered into MatWeb.

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