American Longleaf Pine Wood

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American Longleaf Pine Wood
Categories:	Wood and Natural Products; Wood; Softwood
Material Notes:	Softwood. Relatively easy to work with hand tools. 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:	Pinus palustris; Lumber, Timber
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Physical Properties	Metric	English	Comments

Density	0.550 g/cc	0.0199 lb/in³	Oven Dry Weight/Unseasoned Volume
	0.657 g/cc	0.0237 lb/in³	Unseasoned*

Mechanical Properties	Metric	English	Comments
Hardness, Wood Indentation	2400 N	540 lb (f)	End. Force required to imbed a 0.444 inch steel ball to one-half its diameter
	2600 N	585 lb (f)	Side. Force required to imbed a 0.444 inch steel ball to one-half its diameter
Tensile Strength, Ultimate	2.00 MPa	290 psi	Perpendicular to Grain*
Modulus of Rupture	0.0600 GPa	8.70 ksi	Static Bending*
	0.101 GPa	14.6 ksi	In Bending
Flexural Yield Strength	37.2 MPa	5400 psi	Fiber Stress at Elastic Limit; Static Bending*
	64.1 MPa	9300 psi	Bending stress at proportional limit
Flexural Modulus	11.2 GPa	1630 ksi	Static Bending*
	13.8 GPa	2000 ksi	In Bending
Compressive Strength	4.14 MPa	600 psi	Perpendicular to Grain*
	19.6 MPa	2840 psi	Parallel to Grain*
	30.3 MPa	4390 psi	Max Crushing Strength Parallel to Grain*
	57.9 - 58.6 MPa	8400 - 8500 psi	Parallel to Grain
Poissons Ratio	0.332	0.332	µ_LR, 12% Moisture Content
	0.342	0.342	µ_TR, 12% Moisture Content
	0.365	0.365	µ_LT, 12% Moisture Content
	0.384	0.384	µ_RT, 12% Moisture Content
Shear Strength	7.38 MPa	1070 psi	Parallel to Grain*
	10.3 MPa	1490 psi	Orientation Unknown
Impact	3.5	3.5	in-lb/in³; Work to Elastic Limit; Unseasoned Sample; Impact Bending*
	10800	10800	psi; Fiber Stress at Elastic Limit; Unseasoned Sample; Impact Bending*
Work to Elastic Limit	0.00689 J/cm³	1.00 in-lb/in³	Static Bending*
Work to Maximum Load	0.0552 J/cm³	8.00 in-lb/in³	Static Bending*
Cleavage	32.0 kN/m	183 lb/in	Tangential surface of failure, Unseasoned*
	33.0 kN/m	188 lb/in	Radial surface of failure, Unseasoned*

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.138 W/m-K	0.960 BTU-in/hr-ft²-°F	Oven Dry
	0.173 W/m-K	1.20 BTU-in/hr-ft²-°F	12% Moisture Content
Shrinkage	5.3 %	5.3 %	Radial; Unseasoned to Oven Dry*
	7.5 %	7.5 %	Tangential; Unseasoned to Oven Dry*
	12.4 %	12.4 %	Volumetric; 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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PTSAI / 71292

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