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  2. Janka hardness test - Wikipedia

    en.wikipedia.org/wiki/Janka_hardness_test

    When testing wood in lumber form, the Janka test is always carried out on wood from the tree trunk (known as the heartwood), and the standard sample (according to ASTM D143) is at 12% moisture content and clear of knots. [3] The hardness of wood varies with the direction of the wood grain. Testing on the surface of a plank, perpendicular to the ...

  3. EDITORIAL: Hard time for hard wood - AOL

    www.aol.com/editorial-hard-time-hard-wood...

    The Forest Service and the volunteers are building additional DNA databases for eastern white oak, bigleaf maple, Western red cedar and Douglas fir from the Pacific Northwest. Frank and Joe Hardy ...

  4. Lignum vitae - Wikipedia

    en.wikipedia.org/wiki/Lignum_vitae

    Lignum vitae is hard and durable, and is also the densest wood traded (average dried density: ~79 lb/ft 3 or ~1,260 kg/m 3); [4] it will easily sink in water. On the Janka scale of hardness, which measures hardness of woods, lignum vitae ranks highest of the trade woods, with a Janka hardness of 4,390 lbf (compared with Olneya at 3,260 lbf, [5] African blackwood at 2,940 lbf, hickory at 1,820 ...

  5. List of woods - Wikipedia

    en.wikipedia.org/wiki/List_of_woods

    Bead-tree, white cedar, Persian lilac (Melia azedarach) Maple (Acer) Hard maple Sugar maple (Acer saccharum) Black maple (Acer nigrum) Soft maple Boxelder (Acer negundo) Red maple (Acer rubrum) Silver maple (Acer saccharinum) European maple Sycamore maple (Acer pseudoplatanus) Marblewood (Marmaroxylon racemosum) Marri, red gum (Corymbia calophylla)

  6. List of inventoried hardwoods in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_inventoried...

    Quercus texana (Nuttall oak) [184] The tree is similar to pin oak, and the wood is often marketed with red oak. It grows well on many soils, including clay soils with low permeability. Uses: timber; sap resins, veneers. [185] AL IL KY MS TN

  7. Maple - Wikipedia

    en.wikipedia.org/wiki/Maple

    A bench made of highly figured maple wood. Some of the larger maple species have valuable timber, particularly Sugar maple in North America and Sycamore maple in Europe. Sugar maple wood—often known as "hard maple"—is the wood of choice for bowling pins, bowling alley lanes, pool and snooker cue shafts, and butcher's blocks.

  8. Ironwood - Wikipedia

    en.wikipedia.org/wiki/Ironwood

    Ironwood is a common name for many woods that have a reputation for hardness, or specifically a wood density that is denser than water (approximately 1000 kg/m 3, or 62 pounds per cubic foot), although usage of the name ironwood in English may or may not indicate a tree that yields such heavy wood.

  9. List of Indian timber trees - Wikipedia

    en.wikipedia.org/wiki/List_of_Indian_timber_trees

    It contains ripe wood in the outer crust. The colour of this ripened wood is dark brown. It is strong, durable and fibrous. Palm is used for furniture, roof covering, rafters and joists. Pine: Pinus spp. Pine wood is hard and tough except white pine which is soft. It decays easily if it comes into contact with soil. It is heavy and coarse grained.

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