Currently, the species is threatened by the hemlock woolly adelgid, a non-native insect that kills infested trees. When compared to Western Hemlock (Tsuga heterophylla), Eastern Hemlock generally has …

Jun 30, 2015 · The list below is sorted by hardness, softest to lightest. Also note that we’ve not yet included all the woods from the last chart listed; those will be inserted below soon.

The Janka scale is used to determine the relative hardness of particular domestic or exotic wood species. The Janka test measures the amount of force required to embed a 0.444" steel ball into the …

Download NWH's Hardwood Janka Ratings chart to assess the hardness of various wood species and help you select the ideal hardwood for your projects.

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. This force is recorded in both pounds-force (lbf) …

Discover Eastern Hemlock wood properties and characteristics. Janka hardness: 642 lbf, Softwood wood, Wavy grain. Common uses: Construction lumber, framing,...

It is roughly three quarters as hard as douglas fir, forty percent as hard as red oak, and about thirty-five percent as hard as hard maple. Hemlock is somewhat difficult to saw properly. Nailing can be difficult …

A common use of Janka hardness ratings is to determine whether a species is suitable for use as flooring. For hardwood flooring, the test usually requires an 80 mm × 150 mm (3 in × 6 in) sample …

Eastern Hemlock has a heartwood that is a light reddish brown color. The grain is generally straight, but may be interlocked or spiraled and it has a coarse uneven texture.

The Janka test measures the force required to embed a .444 inch steel ball into the wood by half its diameter. The Janka hardness test (from the Austrian-born emigrant Gabriel Janka, 1864-1932) …