The Janka test measures the necessary force to embed a.44″ diameter steel ball halfway into a piece of wood. The Janka Scale can even reveal subtle hardness differences between woods that appear to be quite similar. Heart Pine 1225 Carbonized Bamboo 1180 Teak 1000 The True Measure of Wood: Janka Hardwood Scale This scale is the worldwide standard for gauging the ability of various species of wood to endure normal wear and tear. })(); Copyright ©2018 U.S. Softwood comes from gymnosperm trees, like cedar, fir, and pine. You might find this species in some very low-end furniture, but it is generally considered too soft to use for home furnishings and finishes. The red heartwood of the tree is sold as “Heart Pine.” Heart Pine is sold in Clear and #2 Common grades also, although some manufacturers produce other grades. How does the test work? The Janka hardness test is a measurement of the force necessary to embed a .444-inch steel ball to half its diameter in wood. Below we've compiled the janka values of several of the most popular North American hardwoods used to make furniture in the United States and attempted to represent them visually. True pine has a Janka rating of 1570, Carribean heart pine is 1280, red pine is 1630, longleaf southern yellow pine is 870, both shortleaf and loblolly southern yellow pine are 690, white pine is 420, and eastern white pine ranks in at 380 to give a few specific numbers. In laymans terms it is a way to measure a woods resistance to denting. Slash Pine (Pinus elliottii) It also indicates the effort required to either nail or saw the particular wood species. The Janka hardness scale, used to determine whether or not a wood species is suitable for flooring, is the primary test measuring wood’s resistance to wear and dentability. 17808 568th Ave, It is between longleaf and shortleaf southern pine in hardness, is forty-three percent softer than white oak, about forty-seven percent softer than wenge, and is only … Janka Wood Hardness Scale The Janka rating is a measure of the amount of force required to push a.444" diameter steel ball half way into a piece of wood. } On average, the various species sand better than white oak but the softer varieties can sometimes marr under heavy traffic. The resilience of wood is typically measured with something known as a Janka scale. Spruce Pine (Pinus glabra) It is important to note that the durability of pine depends a great deal on the type of pi… The Janka hardness test measures the resistance of a type of wood to withstand denting and wear. Sugar Pine (Pinus lambertiana) The resulting data is expressed in pounds-force, or lbf.. True pine has a Janka rating of 1570, Carribean heart pine is 1280, red pine is 1630, longleaf southern yellow pine is 870, both shortleaf and loblolly southern yellow pine are 690, white pine is 420, and eastern white pine ranks in at 380 to give a few specific numbers. if (!window.mc4wp) { Janka Hardness: 770 As a flooring option, sycamore falls on the lower end of the Janka hardness scale. We feature a tremendous selection of hardwoods imported from every corner of the world, as well as exotic laminates like Hawaiian Koa for as low as $1.99 per square foot! Carribean (Heart) Pine (Pinus caribaea) event : event, Janka Scale Ratings The first thing to remember about the Janka Rating scale is the fact that not every wood is suitable for flooring. Shop: Generally speaking, softwoods tend to be softer than their hardwood counterparts. While it may be tempted to look for the species with the highest rating, it could be more trouble than it’s worth – if it’s even available. The Janka Test was developed as a variation of the Brinell hardness test. During a Janka hardness test, a metal ball the size of a BB is pressed into the wood until its embedded halfway. Janka Hardness: 690. The scale measures the force required to embed a .444 inch steel ball to a depth of half the ball’s diameter into the wood. Southern longleaf pine has a rating of 870 lb-ft. Douglas fir comes in between the types of pine, with its own rating of 660 on the Janka scale. There may be variations of more or less than 20% on the scale, since this is a scientific test. Loblolly (Southern Yellow) Pine (Pinus taeda) A Janka rating of zero indicates that the wood is much too soft to be used in flooring or for any purpose that requires a durable lumber. The Janka Test is a measure of the hardness of wood. If there is a species you would like to see listed that isn’t in the list below, just post a comment and be sure to list the wood species name and Janka hardness number along with it (and country of origin, if possible.) The Janka Hardness Test was conducted by measuring the amount of force necessary to embed a .444 inch steel ball into side of the wood up to one half of its diameter to determine its hardness rating, which is then recorded on the Janka Hardness Scale. Yellow Pine, Long Leaf 870 Olivewood, Brazilian 3700 Yellow Pine, Short Leaf 690 Patagonian Rosewood 3840 Yellowheart 1820 Brazilian Tiger Mahogany 3840 Zebrawood 1575 Curupy 3880 www.workshoppages.com White pine has a 420 lb-ft rating on the Janka scale. (function() {
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