Brazilian Cherry Hardwood Hardness Scale

The scale was invented in 1906 by gabriel janka an austrian wood researcher and standardized in 1927 by the american society for testing and materials depending on the room where the flooring will be installed a certain level of hardness may make it a more desirable choice.

Brazilian cherry hardwood hardness scale.

The janka hardness test measures the force required to embed a 444 inch steel ball to half its diameter in wood. Central america southern mexico northern south america and the west indies. The janka hardness test measures the force required to embed a 0 444 inch steel ball into wood. The scale used in the table is pounds force.

This is the average hardness of the species data based on nwfa. The janka test measures the amount of force needed to drive a 0 444 inch steel ball into wood to a depth equal to half its diameter. Below are listed the relative hardness for numerous wood species used in flooring. Wood hardness chart species alphabetical hardness species by hardness hardness afromosia 1560 basswood 410 amberwood 2200 butternut 490.

On the janka hardness scale brazilian cherry ranks 2350 vs. 100 130 ft 30 40 m tall 2 4 ft 6 1 2 m trunk diameter. A common use of janka hardness ratings is to determine whether a species is suitable for use as flooring. Relative hardness of wood flooring species.

1290 for red oak. Throughout the wood flooring industry the janka hardness chart is recognized as the main source for questions related to the density and relative hardness of both domestic species as well as exotic wood species from around the world. However since wood is a natural. The janka hardness scale determines the hardness of a particular type of wood over another.

This test is also used to determine the degree of difficulty in sawing and nailing. Cherry brazilian 2820 teak old growth 1155 cherry domestic black 950 teak ruby or brown 1200 cherry peruvian 2350 pine heart 1225. 57 lbs ft 3 910 kg m 3 specific gravity basic 12 mc 77 91. The janka test measures the amount of force required to embed a 0 444 steel ball into the wood to half of its diameter.

Red oak is the reference species for comparing wood hardness. Relative hardness of wood flooring species. To give some quantification to the issue of wood species hardness the lumber industry created the janka hardness scale a standard now widely accepted as the best means of ranking a wood s hardness. Brazilian cherry is an extremely heavy wood.

Woods with a higher rating are harder than woods with a lower rating. The janka scale is used to determine the relative hardness of particular domestic or exotic wood species. 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.