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The Janka hardness test results tabulated below followed ASTM D 1037-12 testing methods. Lumber stocks tested range from 1" to 2" (25–50 mm) thick. The tabulated Janka hardness numbers are an average. There is a standard deviation associated with each species, but these values are not given. [citation needed] No testing was done on actual ...
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 ...
FSC Lesser Known Timber Species; NCSU Inside Wood project; Reproduction of The American Woods: exhibited by actual specimens and with copious explanatory text by Romeyn B. Hough; US Forest Products Laboratory, "Characteristics and Availability of Commercially Important Wood" from the Wood Handbook Archived 2021-01-18 at the Wayback Machine PDF ...
Print/export Download as PDF; Printable version; In other projects ... Mohs hardness of materials (data page) Vickers hardness test; Brinell scale
The whole database contains materials from over 10,000 woody species and 200 plant families. Initiator for this wood anatomy database has been the American botanist and wood scientist Elisabeth Wheeler. The database contains two distinctive menus for specific anatomical features of modern wood species: Softwoods [6] Hardwoods [7]
The trees typically reach 40 m (130 ft) in height and 1.8 m (5 ft 11 in) in trunk diameter. [6]The wood is very hard, measuring 3,684 lbf (16,390 N) on the Janka scale.
Print/export Download as PDF; Printable version; ... Approximate wood densities of acacia species; Species Density [kg/m³] Heartwood density [kg/m³]
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.