Table of Relative Working and Physical Properties - Inch-Pound
Relative Working Properties
- 1 = Fair
- 2 = Good
- 3 = Very Good
- 4 = Excellent
Species |
Machining
|
Resistance to Splitting in Nailing & Screwing
|
Nail and Screw Holding Ability
|
Gluing
|
Douglas-fir |
2
|
3
|
3
|
3
|
Western larch |
2
|
2
|
3
|
3
|
Engelmann spruce |
3
|
4
|
1
|
4
|
Western hemlock |
2
|
3
|
3
|
3
|
Noble fir |
2
|
4
|
2
|
4
|
Grand Fir |
2
|
4
|
2
|
4
|
Subalpine fir |
2
|
4
|
1
|
4
|
Pacific silver fir |
2
|
3
|
2
|
4
|
California red fir |
2
|
4
|
2
|
4
|
Ponderosa pine |
3
|
4
|
2
|
3
|
Western white pine |
4
|
4
|
2
|
4
|
Sugar pine |
4
|
4
|
2
|
3
|
Lodgepole pine |
3
|
3
|
2
|
3
|
White spruce |
2
|
4
|
2
|
3
|
Sitka spruce |
3
|
4
|
2
|
4
|
Alaska yellow-cedar |
4
|
4
|
2
|
2
|
Port-Orford-cedar |
4
|
4
|
2
|
2
|
Incense-cedar |
4
|
4
|
2
|
4
|
Western redcedar |
3
|
3
|
1
|
4
|
Redwood |
2
|
4
|
2
|
4
|
Western juniper |
3
|
3
|
4
|
4
|
Red alder |
4
|
3
|
3
|
4
|
Bigleaf maple |
3
|
3
|
3
|
4
|
Oregon white oak |
4
|
2
|
4
|
2
|
Tanoak |
4
|
2
|
4
|
2
|
Paper birch |
4
|
2
|
3
|
2
|
California black oak |
4
|
2
|
4
|
2
|
Black cottonwood |
2
|
4
|
1
|
4
|
Golden chinkapin |
2
|
3
|
3
|
3
|
Pacific madrone |
4
|
2
|
4
|
3
|
Myrtlewood |
3
|
2
|
3
|
4
|
Sources:
Oregon State University, College of Forestry, Department of Wood Science & Engineering
Wood Handbook: Wood as an Engineering Material (USDA Agricultural Handbook No. 72) Prepared by: U.S. Forest Products Laboratory
Western Wood Products Association and Western Hardwood Association
Physical Properties
Species |
Specific Gravity (12% MC)
|
Avg. Shipping Wt.
(lbs/ft3) Air dry Green |
% Across the Grain Shinkage (6% MC)
|
Modulus of Rupture (lbf/in2)
@12% MC |
Modulus of Elasticity (X106 lbf/in2)
@12% MC |
Side Hardness
(lbf) @12% MC |
Douglas-fir |
0.48
|
34 43
|
7.6
|
12400
|
1.95
|
710
|
Western larch |
0.52
|
36 50
|
9.1
|
13000
|
1.87
|
830
|
Engelmann spruce |
0.35
|
27 36
|
7.1
|
9300
|
1.30
|
390
|
Western hemlock |
0.45
|
31 41
|
7.8
|
11300
|
1.63
|
540
|
Noble fir |
0.39
|
26 30
|
8.3
|
10700
|
1.72
|
410
|
Grand Fir |
0.39
|
26 47
|
7.0
|
8900
|
1.57
|
490
|
Subalpine fir |
0.32
|
28 45
|
7.5
|
8600
|
1.29
|
350
|
Pacific silver fir |
0.43
|
27 36
|
9.2
|
11000
|
1.76
|
430
|
California red fir |
0.38
|
27 48
|
7.9
|
10500
|
1.50
|
500
|
Ponderosa pine |
0.40
|
28 45
|
6.2
|
9400
|
1.29
|
460
|
Western white pine |
0.38
|
27 35
|
7.4
|
9700
|
1.46
|
420
|
Sugar pine |
0.36
|
25 52
|
5.6
|
8200
|
1.19
|
380
|
Lodgepole pine |
0.41
|
29 39
|
6.7
|
9400
|
1.34
|
480
|
White spruce |
0.36
|
28 35
|
8.2
|
9400
|
1.43
|
480
|
Sitka spruce |
0.40
|
28 33
|
7.5
|
10200
|
1.57
|
510
|
Alaska yellow-cedar |
0.44
|
31 36
|
6.8
|
11100
|
1.42
|
580
|
Port-Orford-cedar |
0.43
|
29 36
|
6.9
|
12700
|
1.70
|
630
|
Incense-cedar |
0.37
|
26 45
|
5.2
|
8000
|
1.04
|
470
|
Western redcedar |
0.32
|
23 27
|
5.0
|
7500
|
1.11
|
350
|
Redwood (young growth) |
0.35
|
28 50
|
4.7
|
7900
|
1.10
|
420
|
Western juniper |
0.44
|
30 50
|
4.7
|
7660
|
0.89
|
620
|
Red alder |
0.41
|
28 46
|
7.3
|
9800
|
1.38
|
590
|
Bigleaf maple |
0.48
|
34 47
|
7.1
|
10700
|
1.45
|
850
|
Oregon white oak |
0.72
|
50 68
|
9.0
|
10300
|
1.60
|
1660
|
Tanoak |
0.66
|
41 62
|
10.0
|
16200
|
1.74
|
1400
|
Paper birch |
0.55
|
38 55
|
9.9
|
12300
|
1.59
|
910
|
California black oak |
0.57
|
40 72
|
6.6
|
8700
|
0.99
|
1100
|
Black cottonwood |
0.35
|
24 46
|
8.6
|
8500
|
1.27
|
350
|
Golden chinkapin |
0.46
|
32 61
|
7.4
|
10700
|
1.23
|
720
|
Pacific madrone |
0.65
|
45 60
|
11.9
|
10400
|
1.23
|
1460
|
Myrtlewood |
0.55
|
39 54
|
8.1
|
8000
|
0.94
|
1260
|
Source:
Wood Handbook: Wood as an Engineering Material (USDA Agricultural Handbook No. 72) Prepared by: U.S. Forest Products Laboratory