North American Loblolly Pine Wood

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North American Loblolly Pine Wood
Categories:	Wood and Natural Products; Wood; Softwood
Material Notes:	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 Taeda; Lumber, Timber
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Physical Properties	Metric	English	Comments

Density	0.500 g/cc	0.0181 lb/in³	Oven Dry Weight/Unseasoned Volume
	0.865 g/cc	0.0312 lb/in³	Unseasoned*
Cell Length	3.60 mm	0.142 in	Mature Wood

Mechanical Properties	Metric	English	Comments
Hardness, Wood Indentation	1800 N	405 lb (f)	End. Force required to imbed a 0.444 inch steel ball to one-half its diameter
	2000 N	450 lb (f)	Side. Force required to imbed a 0.444 inch steel ball to one-half its diameter
	3100 N	697 lb (f)	Side
Tensile Strength, Ultimate	1.93 MPa	280 psi	Perpendicular to Grain*
	3.20 MPa	464 psi	Perpendicular to Grain
Modulus of Rupture	0.0517 GPa	7.50 ksi	Static Bending*
	0.0880 GPa	12.8 ksi	Static Bending
Flexural Yield Strength	30.3 MPa	4400 psi	Fiber Stress at Elastic Limit; Static Bending*
Flexural Modulus	9.51 GPa	1380 ksi	Static Bending*
	12.42 GPa	1801 ksi	Static Bending
Compressive Strength	3.79 MPa	550 psi	Perpendicular to Grain*
	6.80 MPa	986 psi	Perpendicular to Grain
	19.8 MPa	2870 psi	Parallel to Grain*
	24.7 MPa	3580 psi	Max Crushing Strength Parallel to Grain*
	49.0 MPa	7110 psi	Parallel to Grain
Poissons Ratio	0.292	0.292	µ_LT, 12% Moisture Content
	0.328	0.328	µ_LR, 12% Moisture Content
	0.362	0.362	µ_TR, 12% Moisture Content
	0.382	0.382	µ_RT, 12% Moisture Content
Shear Strength	6.21 MPa	900 psi	Parallel to Grain*
	9.40 MPa	1360 psi	Orientation Unknown
Impact	3.1	3.1	in-lb/in³; Work to Elastic Limit; Unseasoned Sample; Impact Bending*
	9500	9500	psi; Fiber Stress at Elastic Limit; Unseasoned Sample; Impact Bending*
Work to Elastic Limit	0.00558 J/cm³	0.810 in-lb/in³	Static Bending*
Work to Maximum Load	0.0552 J/cm³	8.00 in-lb/in³	Static Bending*
Toughness	18.1 J	13.3 ft-lb	Radial
	29.5 J	21.8 ft-lb	Tangential

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.124 W/m-K	0.860 BTU-in/hr-ft²-°F	Oven Dry
	0.144 W/m-K	1.00 BTU-in/hr-ft²-°F	12% Moisture Content
Shrinkage	4.8 %	4.8 %	Radial; Green to Zero Moisture
	7.4 %	7.4 %	Tangential; Green to Zero Moisture
	12.3 %	12.3 %	Volumetric; Green to Zero Moisture

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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