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Beefwood is a medium-sized
tree to 14 m, usually with a single trunk and diameter up to 600 mm. Bark
is deeply fissured, rough dark grey to the branches, while new bark is
rufous red. It grows in the northern Goldfields, Murchison, eastern Gascoyne,
southern Pilbara and the Kimberley.
Wood
description [more
info]
Heartwood
is a rich red colour, and straight-grained, with distinctive rays on quartersawn
timber. Sapwood is a pale yellow.
Wood
density [more
info]
Green density is about 1230 kg/m3, air-dry density about 965 kg/m3,
and basic density about 820 kg/m3.
Shrinkage
[more
info]
Tangential and radial shrinkage are about 3.3 and 2.0 per cent respectively.
Workability
[more
info]
Goldfields craftsmen rate beefwood as very
poor for sanding, average for boring, screwholding, stability and finishing,
good for machinability and gluing, and excellent for turning.
Durability
[more
info]
-
Strength
group and properties [more
info]
AS2879 rates beefwood as (S3) and (SD4), which was confirmed by the above
air-dry density. The more important strength properties based on strength
groups are given in the table below.
|
Property
|
Units
|
Green
|
Dry
|
|
Modulus
of Rupture
|
MPa
|
73
|
94
|
|
Modulus
of Elasticity
|
MPa
|
12400
|
14000
|
|
Max
Crushing Strength
|
MPa
|
36
|
54
|
|
Hardness
|
KN
|
-
|
-
|
Uses
[more
info]
Aborigines used the
dark hard resin as an adhesive in tool manufacture. The timber has considerable
potential for craftwork, particularly as inlays in marquetry.
Availability
[more
info]
Limited availability because of the scattered nature of
the resource.
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