The timber of the iconic river red gum has a reputation for durability, strength and for its distinctive brilliant red colouring ranging from pink to almost black.
Blue Gum, Red Gum, Murray River Gum, yarrow, Eucalyptus Rostrata
Eucalyptus camaldulensis

Shrinkage
Very Low | Low | Medium | High | Very High | |
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Tangential : |
8.90%
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Radial : |
4.40%
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Unit Movement Tangential: |
0.31%
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Unit Movement Radial: |
0.22%
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Strength Group

Very High |
High |
Reasonably High |
Medium High |
Medium |
Reasonably Low |
Low |
Very Low |
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Unseasoned: |
S1 |
S2 |
S3 |
S4 |
S5 |
S6 |
S7 |
S8 |
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Seasoned: |
SD1 |
SD2 |
SD3 |
SD4 |
SD5 |
SD6 |
SD7 |
SD8 |
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Stress Grade

Structural No. 1 |
Structural No. 2 |
Structural No. 3 |
Structural No. 4 |
Structural No. 5 |
|
Unseasoned: |
F11 |
F8 |
F7 |
F5 |
F4 |
Seasoned: |
F17 |
F14 |
F11 |
F8 |
F7 |
Density per Standard

Seasoned: |
910kg/m3
|
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Unseasoned: |
1140kg/m3
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Joint Group

Very High |
High |
Reasonably High |
Medium |
Low |
Very Low |
|
Unseasoned: |
J1 |
J2 |
J3 |
J4 |
J5 |
J6 |
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Seasoned: |
JD1 |
JD2 |
JD3 |
JD4 |
JD5 |
JD6 |
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Colour

White, yellow, pale straw to light brown | Pink to pink brown | Light to dark red | Brown, chocolate, mottled or streaky | |
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Mechanical Properties
Modulus of Rupture - Unseasoned: |
64
|
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Modulus of Rupture - Seasoned: |
101
|
Modulus of Elasticity - Unseasoned: |
8
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Modulus of Elasticity - Seasoned: |
11
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Maximum Crushing Strength - Unseasoned: ![]() |
33
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Maximum Crushing Strength - Seasoned: |
55
|
Impact - Unseasoned: |
11.6
|
Impact - Seasoned: |
8.6
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Toughness - Unseasoned: |
Medium - 15 - 24 Nm
|
Toughness - Seasoned: |
Low - up to 15 Nm
|
Hardness - Unseasoned: |
6.8
|
Hardness - Seasoned: |
9.6
|
Durability
Low | Moderate | Reasonably High | High | |
(0 - 5 yrs) | (5 - 15 yrs) | (15 - 25 yrs) | (more than 25 yrs) | |
In-Ground: |
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(0 - 7 yrs) | (7 - 15 yrs) | (15 - 40 yrs) | (More than 40 yrs) | |
Above ground: |
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(0 - 20 yrs, usually < 5) | (21 - 40 yrs) | (41 - 64 yrs) | (More than 60 yrs) | |
Marine Borer Resistance: |
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Lyctid Borer Susceptibility: |
Susceptible |
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Lyctid Borer Susceptibility - Other: |
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Termite Resistance: |
Resistant
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Fire Properties
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
EFH Spread-of-Flame Index: |
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EFH Smoke-Developed Index: |
Critical Radiance Flux - Lower: |
>2.2 and <4.5 |
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Critical Radiance Flux - Higher: |
≥4.5 |
Smoke Development Rate: |
<750
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1 - non-combustible | 2 - reasonably non-combustible | 3 - slightly combustible | 4 - combustible | |
Fire Properties Group |
Average Specific Extinction Area: |
<250
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Bushfire Resistance: |
BAL 12.5, 19 and 29 – All AS3959 required applications
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