American Black Ash (Brown Ash) Wood

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American Black Ash (Brown Ash) Wood
Categories:	Wood and Natural Products; Wood; Hardwood
Material Notes:	Ring-Porous Hardwood Property values marked by an asterisk (*) have been taken from an unusually old reference source.
Key Words:	Fraxinus nigra; Lumber, Timber
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Physical Properties	Metric	English	Comments

Specific Gravity	0.530 g/cc	0.530 g/cc	Oven-dry to green volume ratio
Density	0.460 g/cc	0.0166 lb/in³	Oven Dry Weight/Unseasoned Volume
	0.849 g/cc	0.0307 lb/in³	Unseasoned*

Mechanical Properties	Metric	English	Comments
Hardness, Wood Indentation	2400 N	540 lb (f)	Side. Force required to imbed a 0.444 inch steel ball to one-half its diameter
	2600 N	585 lb (f)	End. Force required to imbed a 0.444 inch steel ball to one-half its diameter
Tensile Strength, Ultimate	3.38 MPa	490 psi	Perpendicular to Grain*
Modulus of Elasticity	11.04 GPa	1601 ksi	ASTM D143 at 12 wt% moisture content
Modulus of Rupture	0.0414 GPa	6.00 ksi	Static Bending*
	0.08797 GPa	12.76 ksi	ASTM D143 at 12 wt% moisture content
Flexural Yield Strength	17.9 MPa	2600 psi	Fiber Stress at Elastic Limit; Static Bending*
Flexural Modulus	7.03 GPa	1020 ksi	Static Bending*
Compressive Strength	2.96 MPa	430 psi	Perpendicular to Grain*
	11.2 MPa	1620 psi	Parallel to Grain*
	15.8 MPa	2290 psi	Max Crushing Strength Parallel to Grain*
Shear Strength	6.00 MPa	870 psi	Parallel to Grain*
Impact	2.5	2.5	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	0.00290 J/cm³	0.420 in-lb/in³	Static Bending*
Work to Maximum Load	0.0855 J/cm³	12.4 in-lb/in³	Static Bending*
Cleavage	46.0 kN/m	262 lb/in	Tangential surface of failure, Unseasoned*
	48.0 kN/m	274 lb/in	Radial surface of failure, Unseasoned*

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.150 W/m-K	1.04 BTU-in/hr-ft²-°F	ASTM D143 at 12 wt% moisture content
Shrinkage	5.0 %	5.0 %	Radial; Unseasoned to Oven Dry*
	7.8 %	7.8 %	Tangential; Unseasoned to Oven Dry*
	14.4 %	14.4 %	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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