Species Comparison
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Blackbutt | Ironbark | Jarrah | Karri | Forest Redgum | Silvertop Ash | Southern Mahogany | Spotted Gum | Tallowwood | Yellow Stringybark | |
Red | ||||||||||
Grey | ||||||||||
Name | Eucalyptus Pilularis | Eucalyptus Sideroxylon (red) Eucalyptus Paniculata (grey) |
Eucalyptus Marginata | Eucalyptus Diversicolour | Eucalyptus Tereticornis | Eucalyptus Sieberi | Eucalyptus Botryoides | Corymbia Maculata | Eucalyptus Microcorys | Eucalyptus Muelleriana |
Colour (Heartwood) |
Golden yellow to light brown | Light grey / chocolate to deep red | Deep brown and reds | Reddish brown | Light to dark red | Cream-yellowish brown | Deep pink to light reddish brown | Light brown to deep reddish brown | Pale to dark brownish yellow | Yellowish brown |
Colour (Sapwood) |
Similar colour but much paler | Pale yellow | Pale yellow to pink orange | Pale greyish brown | Pale grey or cream red | Undistinguishable | Pale yellow | White to light brown | White to light brown | Pale, almost indistinguishable |
Durability | Class 1 | Class 1 | Class 2 | Class 2 | Class 1 | Class 2 | Class 2 | Class 1 | Class 1 | Class 2 |
Common Sizes | 65 x 19 86 x 19 130 x 19 136 x 19 135 x 32 |
65 x 19 86 x 19 130 x 19 136 x 19 135 x 32 |
65 x 19 65 x 20 86 x 19 85 x 20 130 x 19 130 x 20 |
65 x 19 86 x 19 130 x 19 |
65 x 19 86 x 19 130 x 19 136 x 19 |
55 x 19 65 x 20 80 x 19 85 x 20 90 x 22 105 x 32 135 x 19 135 x 32 140 x 22 |
55 x 19 80 x 19 86 x 20 100 x 19 |
42 x 19 65 x 19 86 x 19 130 x 19 135 x 19 135 x 32 140 x 25 |
64 x 19 86 x 19 130 x 19 |
55 x 19 80 x 19 90 x 22 100 x 19 130 x 19 130 x 32 |
Density | 880 kg/m3 | 1090 kg/m3 | 820 kg/m3 | 900 kg/m3 | 960 kg/m3 | 850 kg/m3 | 910 kg/m3 | 990 kg/m3 | 990 kg/m3 | 880 kg/m3 |
Hardness | Janka rating 9.1 | Janka rating 14 | Janka rating 8.5 | Janka rating 9 | Janka rating 12 | Janka rating 9.5 | Janka rating 9 | Janka rating 11 | Janka rating 8.6 | Janka rating 8.5 |
Checking rating | ||||||||||
Shrinkage rating | ||||||||||
Availability | Readily Available | Readily Available | Limited Availability | Limited Availability | Moderately Available | Moderately Available | Limited Availability | Widely Available | Moderately Available | Moderately Available |
BAL Rating | 12.5 19 29 |
Grey 12.5 19 Red 12.5 19 29 |
12.5 19 |
12.5 19 |
12.5 19 |
12.5 19 29 |
12.5 19 |
12.5 19 |
12.5 19 |
12.5 19 |
Termite Resistant | YES | YES | YES | NO | YES | NO | YES | YES | YES | YES |
Lyctid Borer Susceptible | NO | NO (grey) YES (red) |
YES | NO | NO | NO | NO | YES | YES | NO |
Tannin Leach | Moderate | Little | Little | Little | Little | Little | Little | Moderate | Little to moderate | Little |
Origin | NSW, QLD | VIC, NSW, QLD | WA | WA | VIC, NSW, QLD, PNG | TAS, VIC, NSW | VIC, NSW | VIC, NSW, QLD | NSW, QLD | VIC, NSW |
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