Lodgepole Pine Wood

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Lodgepole Pine Wood
Categories:	Wood and Natural Products; Wood; Softwood
Material Notes:	Conifer Usual surface texture: Medium/coarse Dimensional changes when dried lumber is subjected to variations in humidity during service: Medium Resistance to fungal decay (Heartwood in ground contact): Moderately Durable (10 to 15 years) Resistance to penetration by preservatives: Resistant Common Applications: Pallets and packaging Property values marked by an asterisk (*) have been taken from an unusually old reference source.
Key Words:	Pinus Contorta; Lumber, Timber
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Physical Properties	Metric	English	Comments

Density	0.380 g/cc	0.0137 lb/in³	Oven Dry Weight/Unseasoned Volume
	0.625 g/cc	0.0226 lb/in³	Unseasoned*

Mechanical Properties	Metric	English	Comments
Hardness, Wood Indentation	1400 N	315 lb (f)	End. Force required to imbed a 0.444 inch steel ball to one-half its diameter
	1500 N	337 lb (f)	Side. Force required to imbed a 0.444 inch steel ball to one-half its diameter
Tensile Strength, Ultimate	1.52 MPa	220 psi	Perpendicular to Grain*
Modulus of Rupture	0.0379 GPa	5.50 ksi	Static Bending*
Flexural Yield Strength	20.7 MPa	3000 psi	Fiber Stress at Elastic Limit; Static Bending*
Flexural Modulus	7.45 GPa	1080 ksi	Static Bending*
Compressive Strength	2.14 MPa	310 psi	Perpendicular to Grain*
	14.5 MPa	2100 psi	Parallel to Grain*
	18.0 MPa	2610 psi	Max Crushing Strength Parallel to Grain*
Poissons Ratio	0.316	0.316	µ_LR, 12% Moisture Content
	0.347	0.347	µ_LT, 12% Moisture Content
	0.381	0.381	µ_TR, 12% Moisture Content
	0.469	0.469	µ_RT, 12% Moisture Content
Machinability	100 %	100 %	Good Relative to Other Wood
Shear Strength	4.76 MPa	690 psi	Parallel to Grain*
Impact	2.3	2.3	in-lb/in³; Work to Elastic Limit; Unseasoned Sample; Impact Bending*
	7200	7200	psi; Fiber Stress at Elastic Limit; Unseasoned Sample; Impact Bending*
Work to Elastic Limit	0.00338 J/cm³	0.490 in-lb/in³	Static Bending*
Work to Maximum Load	0.0386 J/cm³	5.60 in-lb/in³	Static Bending*
Cleavage	25.0 kN/m	143 lb/in	Radial surface of failure, Unseasoned*
	25.0 kN/m	143 lb/in	Tangential surface of failure, Unseasoned*

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.102 W/m-K	0.710 BTU-in/hr-ft²-°F	Oven Dry, US origin
	0.122 W/m-K	0.850 BTU-in/hr-ft²-°F	12% Moisture Content, US origin
Shrinkage	4.5 %	4.5 %	Radial; Unseasoned to Oven Dry*
	6.7 %	6.7 %	Tangential; Unseasoned to Oven Dry*
	11.4 %	11.4 %	Volumetric; Unseasoned to Oven Dry*

Descriptive Properties
Color	Pale brown to yellow		Usual for heartwood

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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PTSM006 / 71359

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