Janka Scale Acacia
It measures the force required to embed an 11 28 millimetres 0 444 in diameter steel ball halfway into a sample of wood.
Janka scale acacia. All these ratings have been organized onto a scale called the janka hardness scale. The test consists of measuring the amount of force required to insert a 11 28 millimeter 444 inches diameter steel ball into the wood to half the ball s diameter. The grain is uniform and fine. The test also determines how well wood can withstand dents dings and wear.
Acacia mangium more commonly known as black wattle in the us has a 1750 janka hardness rating and is dried to 12 percent moisture for use as flooring. The best wood for hardwood flooring typically falls above 1000 on the scale. Janka hardness chart flooring acacia wood flooring reviews best hardwood flooring hardness scale acacia what is acacia learning do janka ratings matter when choosing a hardwood floor rating laminate a c. Hardwood and bamboo janka hardness chart with images flooringwhich floor is right for you janka hardness scale hardwoodjanka hardness scale impressions flooring collectiongraph comparison.
Woods with a higher rating are harder than woods with a lower rating. The janka hardness scale starts at 0 and goes through 4000 with 4000 being an extremely hard wood so hard it is difficult to saw. The janka hardness test from the austrian born emigrant gabriel janka 1864 1932 measures the resistance of a sample of wood to denting and wear. Hardwood floor unique wood floors acacia hardwood flooring janka scale evergreen hardwood floors wood floor hardness scale wooden two way anova results of water re oak on graham han.
Hardness chart hurst hardwoods. Acacia woods on average are over 50 percent harder than european white oak 20 percent harder than hickory and 90 percent harder than carbonized bamboo. The janka scale is used to determine the relative hardness of particular domestic or exotic wood species. A common use of janka hardness ratings is to determine whether a species is suitable for use as flooring.
Values are obtained from multiple courses represent air dried wood at 12 moisture. Australian blackwood acacia wood has a janka rating of 1160 each species of acacia wood falls within the range of 1100 2500 on the janka scale. Janka lb lb cuft strength psi by hardness. Raspberry jam acacia has a janka hardness rating of 3100 and a very low 5 4 percent volumetric shrinkage rate.
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. The scale used in the table is pounds force. Brazilian cherry with a rating of 2350 is nearly twice as hard. The janka test was developed as a variation of the brinell hardness test.
Northern red oak for example has a janka hardness rating of 1290. The janka hardness test the janka test is a measure of the hardness of wood.