Lookalikes/Substitutes: Sometimes confused with species of soft maple, hard maple can sometimes be differentiated on the basis of weight, where hard maple is markedly heavier than some lighter species such as silver maple (Acer saccharinum). Then sand and finish. Hard maple ought to be considered the king of the Acer genus. I just got a plank of ambrosia maple with some curly to it. The Janka hardness test measures the lb/in2 required to embed a .444-inch steel ball to half its diameter in wood. That’s because you have Cocobolo, Verawood, Lignum Vitae, etc. The Janka test measures the amount of force required to embed a 0.444" steel ball into the wood to half of its diameter. Identification: See the article on Hardwood Anatomy for definitions of endgrain features. See the article on Hardwood Anatomy for definitions of endgrain features. Red Oak, Southern. It is time to refinish the table top. Turns, glues, and finishes well, though blotches can occur when staining, and a pre-conditioner, gel stain, or toner may be necessary to get an even color. I have a Maple Burl flute made by Brent Haines of Woodsounds. This, in turn, allows manufacturers to decide which types of wood are suitable for hardwood flooring. The Janka Test is a measure of the hardness of wood. Maple has a tendency to burn when being machined with high-speed cutters such as in a router. Still, the very impressive Janka ratings accurately depict the excellent durability of these non-wood flooring products. The Janka Hardness test is designed to measure the density or hardness of different types of wood. I am concerned about using this in a butcherblock / cutting board re what the glue & filler were for the holes… food grade? American Cherry. This is more complex than what it may seem. So just wanted to check with you too..thoughts? Bamboo. The most common use of Janka hardness ratings is to determine whether a species is suitable for use as flooring. Copyright © 2008-2020 Eric Meier | All Rights Reserved. thanks in advance. It has a Janka hardness of 3,110N. I fill the holes with medium CA before I do my final cut. It is also a good indicator of how hard or easy a species is to saw or nail. Finished it with a mix of food grade mineral oil, beexwax, and carnauba wax. https://photos.app.goo.gl/98y2cuC2V15sKUaC9. 0 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 Janka hardness test is often applied to bamboo and eucalyptus flooring products after manufacturing—a process that artificially hardens the material by the addition of resins. Poplar ranks 540 on the low end of the scale. The test measures the pressure required to embed an 11.28mm (.444 in) diameter steel ball into wood to half the ball's diameter. What most Luthiers do is just sand up some dust and put a drop of CA glue on it. It’s easy to spot repair too which is really nice. While carving my kuksa, it slipped and fell to the ground a number of times, and there was a lot more damage to the Ambrosia maple than what I experience with birdseye maple for example. > Hardwoods > Sapindaceae > Acer > Related species. The Janka scale is used to determine the relative hardness of particular domestic or exotic wood species. Here is a picture I forgot to upload on my post below. Hardness and Grain. The Janka Scale can even reveal subtle hardness differences between woods that appear to be quite similar. Find your look. I purchased a hard rock maple dining room talbe about 20 years ago. Watch video of wood finish being applied. Hickory/Pecan. I am considering using this for a butcher block counter (which I WILL use as a cutting board). He is in Canada and has some beautiful pieces, including a couple of sinks. “The most popular hardwood flooring out there is red oak , … The dust is of the original wood and matches quite nicely normally but with ambrosia maple the fungal discoloring (spalting) keeps the hole location visible. Red Birch. It has a Janka hardness of 660 lb which technically makes it a softwood but a lot of people vouch for its durability. Yellow Birch. “The most popular hardwood flooring out there is red oak , … There may be variations of more or less than 20% on the scale, since this is a scientific test. Rot Resistance: Rated as non-durable to perishable, and susceptible to insect attack. Any tips on how to do this & what products to use? It is the most beautiful looking and sounding thing. I feel really lucky when I find a piece of Ambrosia maple that also has a curl to it. I figure you just need to just keep filling it with lacquer until they fill. Not merely cut. It shows a box I made from maple with both curls and beetle coloring and holes. There are quite a few holes to be inlaying them all. Janka. Janka Hardness Scale. The resulting data is expressed in pounds-force, or lbf.. Generally, the higher the Janka hardness test rating, the harder or stronger the wood will be. On the Janka hardness scale -- a scale that ranks wood for hardness, hickory is the hardest of all domestic hardwoods, ranking at 1,820. Janka Hardness: 700 to 950 lb f (4,230 N) depending on species Comments: So named for ambrosia fungi, which is found in association with ambrosia beetles. Hard maple can also be seen with curly or quilted grain patterns. The side hardness of teak, for example, is in the range 3730 to 4800 newtons, while the end hardness is in the range 4150 to 4500 newtons. How did you fill in your worm holes? Northern Hard Maple. I use Ambrosia maple to make beautiful trays and boxes. Then sand and finish. Grain/Texture: Grain is generally straight, but may be wavy. I never fill in the beetle holes, they just add to the overall figuring of the wood which increases the beauty. Also, figured pieces such as birdseye, curl, or quilt are likely to be much more expensive. 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. I’d also like to incorporate stone inlays and designs via a Dremel tool. The Industry Standard for Hardness The hardness of a wood is rated on an industry wide standard known as the Janka test. Distribution: Primarily temperate regions in the Northern Hemisphere, Average Dried Weight: 30.2 to 38.0 lbs/ft3 (485 to 610 kg/m3) depending on species, Janka Hardness: 700 to 950 lbf (4,230 N) depending on species, Comments: So named for ambrosia fungi, which is found in association with ambrosia beetles. Color/Appearance: Unlike most other hardwoods, the sapwood of hard maple lumber is most commonly used rather than its heartwood. The ambrosia maple sample that I see appears to be beech, as far as I can tell from the picture, and I’ve seen a lot of maple and a lot of beech in the last 41 years, I build mountain dulcimers and ambrosia soft maple is one of my favorite top woods. Of course, whatever woods I use must be worked into the shape of a staff. Rather than sanding which is messy (dusty – with finish dust that is likely more toxic to lungs than just wood dust), my tool of choice is a rectangular hand scraper (aka: cabinet scraper – Lee Valley carries sets of these). 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. Ambrosia Maple is a general term attached to a variety of Acer (true maple) species whose boards included colorful bug "trails" -- caused by a fungus carried by the Ambrosia Beetle which penetrates the tree sap as the beetle eats into the tree, and it spreads both through the worm hole and up and down in the tree (carried along by the sap) and causes discoloring of the wood in streaks. See the articles Wood Allergies and Toxicity and Wood Dust Safety for more information. I use Ambrosia Maple for cutting boards, boxes and turnings. You can use epoxy as well which would probably take less time. Ball to half of its diameter in wood tends to be quite similar steel. 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