Assumed, Wood Working Properties & Specifications

 

Dalbergia latifolia

Indian Rosewood

Family: Leguminosae

Other Common Names: Shisham (India).

Distribution: Throughout the Indian peninsula scattered in the dry deciduous forests, but nowhere common; attains its best growth in the Bombay region.

The Tree: On favorable sites, trees reach a height of 100 ft, with clear, cylindrical boles 35 to 50 ft in length; diameters may reach 5 ft, more often 2.5 ft or less.

The Wood:
General Characteristics: Heartwood varying in color from golden brown to dark purple brown with darker streaks giving an attractive figure; sapwood yellowish often with purplish tinge, sharply demarcated. Grain narrowly interlocked; texture moderately coarse; luster low; fragrant when freshly cut but without distinctive odor or taste when seasoned.

Weight: Basic specific gravity (ovendry weight/green volume) 0.70; air-dry density 53 pcf.

Mechanical Properties: (First set of data based on the 2-in. standard; second set the 2-cm standard.)
Moisture content Bending strength Modulus of elasticity Maximum crushing strength
(%) (Psi) (1,000 psi) (Psi)
Green (38) 9,190 1,190 4,530
12% 16,920 1,780 9,220
Green (17) 9,700 1,110 4,700
12% 17,500 1,660 9,450
Janka side hardness 1,560 lb for green material and 3,170 lb for dry.

Drying and Shrinkage: The timber seasons well with no appreciable degrade and is reported to dry defect-free in log form. Kiln schedule T6-D2 is suggested for 4/4 stock and T3-D1 for 8/4. Shrinkage green to ovendry: radial 2.7%; tangential 5.8%; volumetric 8.5%. Movement in service is small.

Working Properties: Moderately difficult to work with hand and machine tools because of the high density; chalky deposits, if present, will dull cutters; glues well and takes an excellent finish; can be peeled and sliced for veneer.

Durability: Heartwood is rated as highly resistant to attack by decay fungi and termites. Sapwood vulnerable to powder-post beetles.

Preservation: No information available.

Uses: Fine furniture and cabinetwork, musical instruments, turnery, decorative veneers, specialty items.

 

 

 

 

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