Printable Janka Hardness Scale - It measures the force required to embed an 11.28mm (.444 in) steel ball into wood to half the ball's diameter leaving an indentation in the wood. This chart shows the wood hardness, also known as the janka scale, of all popular wood species used in decking, siding and flooring applications. It begins with embedding a 0.444 inch steel ball into the wood until half of its diameter has sunk into the wood. Ipe and cumaru are some of the worlds hardest woods. An evaluation of its hardness. Janka hardness table species hardness relative to american red oak wenge 3680 319% cumaru 3540 307% lapacho/ipe 3342 290% patagonian rosewood 2800 243% jatoba/brazilian cherry 2551 221% mozambique 2220 193% santos mahongay 2200 191% tigerwood 2160 191% sucupira 2140 188% The janka hardness/stability scale charts are used to measure the hardness of different species of wood. Northern red oak, for example. Janka rating a hardness rating is applied to all timbers that is a measure of the woods resistance to indentation. By the same token, it also is a good indicator of how hard or easy a species is to saw or nail. The janka test measures the amount of force required to embed a 0.444” steel ball into the wood to half its diameter. Woods with a high score are more resistant to wear. This wood hardness list ranks 75 types of wood by their janka rating. Hardness is an important consideration when selecting a suitable timber to match your lifestyle requirement. The janka hardness test measures the resistance of a sample of wood to denting and wear.
Hardness, Or “Janka Value” Is Measured With A Test Of Resistance Of A Sample Of Wood To Denting And Wear.
This method eaves an indentation. The janka test measures the amount of force required to embed a 0.444” steel ball into the wood to half its diameter. The janka test measures the amount of force required to embed a 0.444 steel ball into the wood to half of its diameter. Woods with a high score are more resistant to wear.
Brazilian Hardwoods Rank At The Top Of The Scale For All Woods.
Hickory / pecan, satinwood 1820 afzelia / doussie / australian wormy chestnut 1810 bangkirai 1798 rosewood 1780 african padauk 1725 blackwood 1720 merbau 1712 kempas 1710 black locust 1700 highland beech 1686 wenge, red pine, hornbeam 1630 tualang 1624 This test determines the relative hardness of particular wood species. 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. It helps to determine the durability and suitability of wood for various applications, such as flooring or furniture making.
A Common Use Of Janka Hardness Ratings Is To Determine Whether A Species Is Suitable For Use As Flooring.
View, download and print janka hardness scale pdf template or form online. The janka hardness/stability scale charts are used to measure the hardness of different species of wood. Timber hardness summary table very hard ≥10 hard 7 to 10 moderately hard 5.5 to 7 soft ≤5.5 spotted gum Janka hardwood scale this scale is the worldwide standard for gauging the ability of various species of wood to endure normal wear and tear.
It Begins With Embedding A 0.444 Inch Steel Ball Into The Wood Until Half Of Its Diameter Has Sunk Into The Wood.
If you purchase hardwoods from a retailer that does not utilize The janka scale is used to determine the relative hardness of particular domestic or exotic wood species. This chart shows the wood hardness, also known as the janka scale, of all popular wood species used in decking, siding and flooring applications. The janka hardness test measures the resistance of a sample of wood to denting and wear.