List Of Hardwoods Based On Hardness

Ncsu inside wood project reproduction of the american woods.

List of hardwoods based on hardness. It is one of the best measures of the ability of a wood species to withstand denting and wear. A common use of janka hardness ratings is to determine whether a species is suitable for use as flooring. The janka hardness test from the austrian born emigrant gabriel janka 1864 1932 measures the resistance of a sample of wood to denting and wear. The janka test measures the amount of force required to embed a 0 444 steel ball into the wood to half of its diameter.

The janka hardness test measures the force required to embed a 444 inch steel ball to half its diameter in wood. For more information on non native species refer to the don t be fooled article. It measures the force required to embed an 11 28 millimetres 0 444 in diameter steel ball halfway into a sample of wood. The most common test for testing wood hardness is known as the janka hardness test.

Exhibited by actual specimens and with copious explanatory text by romeyn b. Woods with a higher rating are harder than woods with a lower rating. The higher the number the harder the wood is this should be used as a general guide when comparing various species of wood flooring. Wood hardness chart species alphabetical hardness species by hardness hardness mahogany honduran 800 padauk 1725 mahogany santos 2200 tabaccowood 1750 maple hard north american 1450 rosewood bolivian 1780 maple ivory 1500 bamboo carbonized 1800 maple soft 999 hickory 1820 merbau 1925 pecan 1820 mesquite 2345 yellowheart 1820.

The woods are listed from hardest to softest so the higher the number the harder the. It also indicates the effort required to either nail or saw the particular wood species. The actual number listed in the wood profile is the amount of pounds force lb f or newtons n required to imbed a 444 11 28 mm diameter steel ball into the wood to half the ball s diameter. Density hardness stiffness and strength here you ll find charts that break down the wood types by density hardness stiffness and strength.

The janka scale is used to determine the relative hardness of particular domestic or exotic wood species. Each wood species is listed in alphabetical order on each chart with its corresponding related number next to each species. The scale used in the table is pounds force.