pine janka scale

Most pine species are not difficult or time consuming to dry properly. Pine species do not usually have a high resistance to decay, but they do have a propensity to absorb preservatives rather well. The Janka scale measures the resistance of a sample of wood to denting and wear and is typically expressed in lbf (pounds-force) or N (Newtons). Janka hardness testing. Spruce Pine (Pinus glabra) The Janka Hardness Scale is determined by a controlled test, performed to measure the force necessary to embed a .444 inch (11.28mm) steel ball to half its diameter in wood. 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. 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. How does the test work? 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. 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. Eastern White Pine (Pinus strobus) Janka Hardness: 690. The Janka test measures the force required to embed an 11.28mm steel ball halfway into a piece of wood. Flooring choices can range comparably from hard maple or wenge to red oak to even softer than Douglas fir in hardness. Pitch Pine (Pinus rigida) Red Pine (Pinus resinosa) })(); Copyright ©2018 U.S. Our chart is based on the Janka Hardness Scale which is the industry standard for gauging the ability of various wood species to resist denting and tolerate normal wear. There may be variations of more or less than 20% on the scale, since this is a scientific test. window.mc4wp = { callback: callback 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. Carribean (Heart) Pine (Pinus caribaea) The Janka hardness test measures the resistance of a type of wood to withstand denting and wear. Sugar Pine (Pinus lambertiana) Copyright 2019. White pine has a 420 lb-ft rating on the Janka scale. Generally speaking, softwoods tend to be softer than their hardwood counterparts. Pine on average does not require an abnormal amount of effort to saw properly. Loblolly (Southern Yellow) Pine (Pinus taeda) In laymans terms it is a way to measure a woods resistance to denting. The US typically will use lbf. The grain is usually straight, sometimes irregular, and the texture is commonly medium and uneven. Slash Pine (Pinus elliottii) We at Carpet and Tile Mart don't sell anything with a Janka rating less than 1360. } Get 4 Free Online Samples With Free Shipping! 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. We are not offering onsite sawing at this time! 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. Now, this wood hardness scale is used in determining how hard a particular type of wood is. Wood species vary in many ways, but a key factor in finishing wood is the hardness of the wood. on: function (event, callback) { All sawing will be completed at our Mankato, MN shop. What is the Janka Scale? Longleaf (Southern Yellow) Pine (Pinus palustris) 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. The Janka Scale can even reveal subtle hardness differences between woods that appear to be quite similar. 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 Scale was developed by the Austrian wood researcher named Gabriel Janka back in 1906. 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