Oregon Wood Innovation Center

Newsletter

Innnovation Resources

Networking

About the Industry

Home

What We Do

Post Jobs & Internships

What's New

Coming Events

NE Utility Pole Conference
October 22-23 2008, Binghamton, NY

Contact Us

WoodScience@OSU

Search

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

Inch-Pound

Species	Specific Gravity (12% MC)	Avg. Shipping Wt. (kgs/m³) Air dry Green	% Across the Grain Shinkage (6% MC)	Modulus of Rupture (K. Pascals)	Modulus of Elasticity (M. Pascals)	Side Hardness (Newtons)
Douglas-fir	0.48	545 689	7.6	85000	13400	3200
Western larch	0.52	577 801	9.1	90000	12900	3700
Engelmann spruce	0.35	432 577	7.1	64000	8900	1750
Western hemlock	0.45	497 657	7.8	78000	11300	2400
Noble fir	0.39	416 481	8.3	74000	11900	1800
Grand Fir	0.39	416 753	7.0	68000	10300	2100
Subalpine fir	0.32	449 721	7.5	61000	10800	2200
Pacific silver fir	0.43	432 577	9.2	73000	11900	1900
California red fir	0.38	432 769	7.9	72000	10300	2200
Ponderosa pine	0.40	449 721	6.2	65000	8900	2000
Western white pine	0.38	432 561	7.4	67000	10100	1900
Sugar pine	0.36	400 833	5.6	57000	8200	1700
Lodgepole pine	0.41	465 625	6.7	65000	9200	2100
White spruce	0.36	449 561	8.2	68000	9200	2100
Sitka spruce	0.40	449 529	7.5	78000	10800	2300
Alaska yellow-cedar	0.44	497 577	6.8	77000	9800	2600
Port-Orford-cedar	0.43	465 577	6.9	88000	11700	2800
Incense-cedar	0.37	416 721	5.2	55000	7200	2100
Western redcedar	0.32	368 432	5.0	51700	7700	1600
Redwood (young growth)	0.35	449 801	4.7	54000	7600	1900
Western juniper	0.44	480 800	4.7	53000	6100	2800
Red alder	0.41	449 737	7.3	68000	9500	2600
Bigleaf maple	0.48	545 753	7.1	74000	10000	3800
Oregon white oak	0.72	801 1105	9.0	71000	10000	7400
Tanoak	0.66	657 993	10.0	112000	12000	6200
Paper birch	0.55	609 881	9.9	85000	11000	4000
California black oak	0.57	641 1157	6.6	60000	6800	4900
Black cottonwood	0.35	384 737	8.6	57000	8700	1600
Golden chinkapin	0.46	513 977	7.4	74000	8500	3200
Pacific madrone	0.65	721 961	11.9	72000	8500	6500
Myrtlewood	0.55	625 865	8.1	55000	6500	5600

Source:
Wood Handbook: Wood as an Engineering Material (USDA Agricultural Handbook No. 72) Prepared by: U.S. Forest Products Laboratory