It is important to remember that the testing process used in the Janka scale is an impact test, not a test of scratching, scuffing, or any other wear and tear that flooring experiences. Janka Hardness: 2,200 lbf Description: There is a fair degree of color variation between boards of Santos Mahogany, ranging from a lighter golden brown to a darker purplish red or burgundy. Janka Hardness: 2697 Red mahogany is a very hard wood flooring species. Mahogany (Honduran) is 63% as hard as Red Oak (800 on the Janka scale vs. 1260 for Red Oak). For example, Mahogany has a Janka Hardness of 800 (lbf), and Brazilian Walnut has a Janka Hardness of 3,680 (lbf). Honduran mahogany has a Janka hardness rating of 800. Janka Hardness: 2,300 lbf. Janka hardness. Historically, it has been a very economically important wood throughout the Latin America region. The Janka hardness test provies a relative scale where the higher the number indicates the harder the wood. 2. *The Janka hardness test measures the force required to embed a 0.444 inch steel ball into wood. Important to note is the fact that during the Janka hardness test, specimens contain about 12% moisture. Under the Janka Hardness Rating, simply, the higher the number the harder the wood. The test is done by measuring the force that is required to drive in a steel ball into a specific plank of wood. Sipo Mahogany (commonly referred to as either just "Sipo" or "Utile") is an African wood that is considered to be the closest, aesthetically, to Genuine Mahogany (although not a true "Swietenia"). The 1-in. Do not confuse it with the natural bamboo that has a lower Resistance 1380 according to the Janka scale. data were obtained by planing the 1.5-in. The color tends to turn more red/purple with age. This, in turn, allows manufacturers to decide which types of wood are suitable for hardwood flooring. Woods with a higher rating are … Hardness: Janka hardness rating - 10. The Janka scale is used to determine the relative hardness of particular domestic or exotic wood species. Below are listed the relative hardness for numerous wood species used in flooring. Relative Hardness Table for Domestic and Imported Woods Janka Numbers For Domestic & Exotic Wood Species The Janka Side Hardness test measures the force required to press an 11.28mm (0.444 inch) steel ball to half its diameter cross-grain into a block of wood. Looking around on the web, there is the well established Janka hardness test. The Janka Hardness test measures the force needed to embed a .444 inch steel ball to half its diameter in a piece of wood. Procedures Hardness tests were conducted using indentations on the wide face of 2×4s at thickness values of 1, 1.5, and 3 in. Strength: SD3. The Janka hardness test is the hardness level given to each species. It is one of the best measures of the ability of a wood species to withstand denting and wear. Swietenia macrophylla, commonly known as mahogany, Honduran mahogany, Honduras mahogany, big-leaf mahogany, or West Indian mahogany, is a species of plant in the Meliaceae family. The Janka hardness test, to some degree, replicates such. Paul Panella. The Janka Scale was developed by the Austrian wood researcher named Gabriel Janka back in 1906. Durability: Class 2 One of Australia's premium native hardwoods with a high degree of natural durability and strength. Named after its inventor, Gabriel Janka, the Janka Hardness Test is a way to determine how durable a species of wood is. Also known as: Mahogany, Red Balau | Origin: Indonesia | Janka Hardness Rating: 2,100 lb. The hardness of a timber is measured by the Janka hardness test. 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. To learn the basic hardness of different common woods used in … Generally, the higher the Janka hardness test rating, the harder or stronger the wood will be. Wood Hardness - Janka Chart When it comes to making a distinction between wood which is suitable for wooden floors and the rest we simply refer to hardwood and softwood. The test measures the force required to push a steel ball with a diameter of 11.28 millimeters (0.444 inches) into the wood to a depth of half the ball’s diameter (the diameter was chosen to produce a circle with an area of 100 square millimeters). tween Janka hardness and the hardness modulus specified in ASTM D 1037. African mahogany of the Khaya variety is slightly harder at 845. Santos Mahogany- Acacia The higher the Janka rating / number the greater the hardness. Mahogany. This test is also used to determine the degree of difficulty in sawing and nailing. Density: 785 kg/m3; Hardness: 3600 N; Volumetric Shrinkage: 17.4%; Description. The bamboo strand it's used for its hardness (3789), Resistance and besides that, it is an ecological option. Now, this wood hardness scale is used in determining how hard a particular type of wood is. White Mahogany, also called Yellow or White Stringybark, varies in … Density: 960 kg/m 3. However, it was only in 1927 when Janka’s scale was standardized by the American Society for Testing and Materials (ASTM). It would be … JANKA HARDNESS SCALE: Varies Janka Hardness Scale. HARDWOOD JANKA RATINGS *Red Oak with a Janka rating of 1290 is the industry benchmark for comparing the relative hardness of different wood species. Genuine mahogany decking and flooring is a hard wood and an excellent choice for your project. Janka scale vs. 1260 for Red Oak ( 800 on the Brinell hardness test is to... 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