American Eastern Hemlock Wood

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American Eastern Hemlock 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:	Tsuga canadensis; 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
	0.449 g/cc	0.0162 lb/in³	Unseasoned*

Mechanical Properties	Metric	English	Comments
Hardness, Wood Indentation	1800 N	405 lb (f)	Side. Force required to imbed a 0.444 inch steel ball to one-half its diameter
	2300 N	517 lb (f)	End. Force required to imbed a 0.444 inch steel ball to one-half its diameter
Tensile Strength, Ultimate	1.79 MPa	260 psi	Perpendicular to Grain*
Modulus of Rupture	0.0462 GPa	6.70 ksi	Static Bending*
	0.0610 GPa	8.85 ksi	In Bending
Flexural Yield Strength	29.0 MPa	4200 psi	Fiber Stress at Elastic Limit; Static Bending*
	42.1 MPa	6110 psi	Bending stress at proportional limit
Flexural Modulus	7.72 GPa	1120 ksi	Static Bending*
	8.30 GPa	1200 ksi	In Bending
Compressive Strength	3.45 MPa	500 psi	Perpendicular to Grain*
	18.7 MPa	2710 psi	Parallel to Grain*
	22.5 MPa	3270 psi	Max Crushing Strength Parallel to Grain*
	37.2 MPa	5400 psi	Parallel to Grain
Shear Strength	6.07 MPa	880 psi	Parallel to Grain*
Impact	2.8	2.8	in-lb/in³; Work to Elastic Limit; Unseasoned Sample; Impact Bending*
	7900	7900	psi; Fiber Stress at Elastic Limit; Unseasoned Sample; Impact Bending*
Work to Elastic Limit	0.00607 J/cm³	0.880 in-lb/in³	Static Bending*
Work to Maximum Load	0.0469 J/cm³	6.80 in-lb/in³	Static Bending*
Cleavage	26.0 kN/m	148 lb/in	Tangential surface of failure, Unseasoned*
	29.0 kN/m	165 lb/in	Radial surface of failure, Unseasoned*

Thermal Properties	Metric	English	Comments
Thermal Conductivity	0.0994 W/m-K	0.690 BTU-in/hr-ft²-°F	Oven Dry
	0.121 W/m-K	0.840 BTU-in/hr-ft²-°F	12% Moisture Content
Shrinkage	3.0 %	3.0 %	Radial; Unseasoned to Oven Dry*
	6.8 %	6.8 %	Tangential; Unseasoned to Oven Dry*
	9.8 %	9.8 %	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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