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Common Names
Common Uses
Countries of Distribution
Distribution Overview
Ease of Drying
Environmental Profile
Family Name
Grain
Heartwood Color
Natural Durability
Numerical Data
References
Regions of Distribution
Sapwood Color
Scientific Name
Strength Properties
Texture
Trade Name
Tree Size

Scientific Name
Alnus nepalensis

Trade Name
Grey alder

Family Name
Betulaceae

Wood Image 1

Common Names
Alder, Boshi swa, Grey alder, Indian alder, Koe, Kohi, Kowal, Kunch, Kunis, Kuntz, Nepal alder, Newn, Ni, Piak, Pusala, Puzala, Udish, Utis, westa

Regions of Distribution
Oceania and S.E. Asia

Countries of Distribution  [VIEW MAP]
Cambodia, China, India, Laos, Myanmar, Nepal, Thailand, Vietnam

Common Uses
Blinds, Boxes and crates, Building construction, Building materials, Construction, Decorative plywood, General carpentry, Matches, Packing cases, Planks, Plywood, Shutters, Sills, Turnery, Windows

Environmental Profile
Abundant/Secure


His species is secure within its natural habitat in most areas in its range, including the Yunnan Province in China, Nepal, and Vietnam. Its status in the wild is currently listed as unknown because of insufficient information in Indochina, the Xizang Zizhigu Au Province in China, Bhutan, Myanmar

Distribution Overview
Native to southeast Asia (Burmese hills, Himalayas, Subtropical China, Indochina). Introduced to Java, India, Hawaii, and the Philippines. It occurs in the Yunnan Province in China. It is also found in Nepal and Vietnam. In its native habitat it ranges from 300–3,000 m, in Hawaii from 300–1,800 m, growing well in areas with more than 500 mm annual precipitation.

Heartwood Color
Brown
Red
Pink
Pale red to pink
Pale brown


Sapwood Color
Brown
Color not distinct from heartwood


Grain
Even
Straight

Generally straight, but not always

Figured

Texture
Fine
Even or uniform
Uniform
Fine
Even textured


Natural Durability
Perishable
Durable
Heartwood resistant to decay


Ease of Drying
Reconditioning Treatement


Reported to season well without warping

Tree Size
The deciduous tree is described as large

Strength Properties
Compression strength (parallel to grain) = low
Bending strength (MOR) = low


Numerical Data
ItemGreenDryEnglish
Bending Strength50577242psi
Crushing Strength274333psi
Density23lbs/ft3
Hardness377lbs
Impact Strength1514inches
Maximum Crushing Strength24214900psi
Shearing Strength752psi
Static Bending29204253psi
Stiffness90011521000 psi
Work to Maximum Load45inch-lbs/in3
Specific Gravity0.250.26
Weight4123lbs/ft3
Radial Shrinkage2%
Tangential Shrinkage6%
Volumetric Shrinkage9%
ItemGreenDryMetric
Bending Strength355509kg/cm2
Crushing Strength1923kg/cm2
Density368kg/m3
Hardness171kg
Impact Strength3835cm
Maximum Crushing Strength170344kg/cm2
Shearing Strength52kg/cm2
Static Bending205299kg/cm2
Stiffness63801000 kg/cm2
Work to Maximum Load0.280.35cm-kg/cm3
Specific Gravity0.250.26
Weight657368kg/m3
Radial Shrinkage2%
Tangential Shrinkage6%

References
Limaye, V.D. 1954. Grouping of Indian Timbers and their Properties, Uses and Suitability. Indian Forest Records, New Series. Timber Mechanics, Vol. 1, No. 2, Forest Research Institute, Dehra Dun, India.

Limaye, V.D. and B.R. Sen. 1953. Weights and Specific Gravities of Indian Woods. Indian Forest Records, New Series. Timber Mechanics, Vol. 1, No. 4, Forest Research Institute, Dehra Dun, India.

Reyes, L.J. 1938. Philippine Woods. Department of Agriculture and Commerce, Technical Bulletin 7, Commonwealth of the Philippines, Bureau of Printing, Manila.

Sekhar, A.C., B.R. Sen and S.S. Bhatnagar. 1956. Physical and Mechanical Properties of Woods Tested at the Forest Research Institute, Report VII. Indian Forest Records, New Series. Timber Mechanics, Vol. 1, No. 8, Forest Research Institute, Dehra Dun, India.

Troup, R.S. 1909. Indian Woods and Their Uses. The Indian Forest Memoirs, Economic Products Series, Volume 1, No. 1. Superintendent, Government Printing, Calcutta, India.

WCMC. 1992. Conservation Status Listing - Trees and Timbers of the World. World Conservation Monitoring Center-Plants Programme, Cambridge, CB3 ODL, United Kingdom.