The Janka scale is used to determine the relative hardness of particular domestic or 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. |
| Тест твёрдости Янка |  |
Тест твёрдости Янка используется для оценки твёрдости древесины. Выражается в силе в фунтах, которую нужно приложить к металлическому шарику диаметром 0,444 дюйма, чтобы вдавить его в древесину на половину диаметра. Википедия
The chart is not to be considered an absolute; it is meant to help people understand which woods are harder than others. Typical Janka hardness values. |
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 ... |
To understand better the differences between wood species we have Janka Hardness Scale or Janka Wood Chart. It evolved from the Brinell scale, a standardised ... |
This chart shows the wood hardness, also known as the Janka scale, of all popular wood species used in decking, siding and flooring applications. |
12 нояб. 2013 г. · 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 ... |
26 февр. 2019 г. · JANKA HARDNESS SCALE. Definition: The hardness of a wood is rated on an industry wide standard known as the Janka test. |
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