Tropical American Mahogany Wood

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Tropical American Mahogany Wood
Categories:	Wood and Natural Products; Wood; Hardwood
Material Notes:	Diffuse-Porous. Excellent shaping, very good planing, fair steam bending. Data is based on small, clear, air-dried samples unless specified. Usual surface texture: Medium Dimensional changes when dried lumber is subjected to variations in humidity during service: Small Resistance to fungal decay (Heartwood in ground contact): Durable (15 to 25 years) Resistance to penetration by preservatives: Extremely resistant Common Applications: Furniture, cabinet work, interior and exterior joinery. Boat building
Key Words:	Swietenia macrophylla; Lumber, Timber
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Physical Properties	Metric	English	Comments

Specific Gravity	0.450 g/cc	0.450 g/cc	Green
Density	0.600 g/cc	0.0217 lb/in³	Air Dry (12-15% Moisture Content)

Mechanical Properties	Metric	English	Comments
Hardness, Wood Indentation	3300 N	742 lb (f)	Side Hardness, Green
	3600 N	809 lb (f)	Side Hardness, 12% Moisture
Tensile Strength, Ultimate	2.40 MPa	348 psi	Perpendicular to Grain
Modulus of Rupture	0.0621 GPa	9.01 ksi	Static Bending, Green
	0.0770 GPa	11.2 ksi	In Bending
	0.0793 GPa	11.5 ksi	Static Bending, 12% Moisture
Flexural Modulus	8.33 - 9.86 GPa	1210 - 1430 ksi	In Bending
	9.20 GPa	1330 ksi	Static Bending, Green
	10.3 GPa	1490 ksi	Static Bending, 12% Moisture
Compressive Strength	8.30 MPa	1200 psi	Perpendicular to Grain
	29.9 MPa	4340 psi	Parallel to Grain, Green
	44.1 - 49.0 MPa	6400 - 7110 psi	Parallel to Grain
	46.7 MPa	6770 psi	Parallel to Grain, 12% Moisture
Poissons Ratio	0.033	0.033	µ_RL, 12% Moisture Content
	0.034	0.034	µ_TL, 12% Moisture Content
	0.314	0.314	µ_LR, 12% Moisture Content
	0.326	0.326	µ_TR, 12% Moisture Content
	0.533	0.533	µ_LT, 12% Moisture Content
	0.60	0.60	µ_RT, 12% Moisture Content
Machinability	100 %	100 %	Good Relative to Other Wood
Shear Strength	8.50 MPa	1230 psi	Parallel to Grain, Green
	8.50 MPa	1230 psi	Parallel to Grain, 12% Moisture
Impact	5.2	5.2	J/cm² Toughness
Work to Maximum Load	0.0520 J/cm³	7.54 in-lb/in³	Static Bending, 12% Moisture
	0.0630 J/cm³	9.14 in-lb/in³	Static Bending, Green

Thermal Properties	Metric	English	Comments
Shrinkage	3.0 %	3.0 %	Radial Shrinkage Green to Oven Dry
	4.1 %	4.1 %	Tangential Shrinkage Green to Oven Dry
	7.8 %	7.8 %	Volumetric Shrinkage Green to Oven Dry

Descriptive Properties
Color	Reddish-brown		Usual for heartwood

References for this datasheet.

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PTSID / 71347

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