North American Black Willow Wood

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North American Black Willow Wood
Categories:	Wood and Natural Products; Wood; Hardwood
Material Notes:	Diffuse-Porous Hardwood. 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:	Salix nigra; Lumber, Timber
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Physical Properties	Metric	English	Comments

Density	0.390 g/cc	0.0141 lb/in³	Air Dry (12-15% Moisture Content)

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	2.96 MPa	430 psi	Perpendicular to Grain*
	109 MPa	15800 psi	Axial
Modulus of Rupture	0.0540 GPa	7.83 ksi	Static Bending
Flexural Modulus	7.00 GPa	1020 ksi	Static Bending
Compressive Strength	3.00 MPa	435 psi	Perpendicular to Grain
	28.0 MPa	4060 psi	Parallel to Grain
Shear Strength	8.60 MPa	1250 psi	Orientation Unknown
Toughness	23.8 J	17.6 ft-lb	Radial
	26.1 J	19.3 ft-lb	Tangential

Thermal Properties	Metric	English	Comments
Shrinkage	2.6 %	2.6 %	Radial; Green to Zero Moisture
	8.1 %	8.1 %	Tangential; Green to Zero Moisture
	14.4 %	14.4 %	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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PTSA080 / 71246

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