Thursday, August 8, 2013

Wood structural information, for building cheaper, or building where spruce isn't available.

Stolen, blatently, from Autodidact on the HBA forums.  :

Note: s/w=(Modulus of Rupture)/(weight/ft3)



Sitka Spruce

s/w=362.5
Common Name(s): Sitka Spruce
Scientific Name: Picea sitchensis
Distribution: Northwestern North America
Tree Size: 160 ft (50 m) tall, 5 ft (1.5 m) trunk diameter
Average Dried Weight: 28 lbs/ft3 (455 kg/m3)
Specific Gravity (Basic, 12% MC): .36, .46
Janka Hardness: 510 lbf (2,270 N)
Modulus of Rupture: 10,150 lbf/in2 (70.0 MPa)
Elastic Modulus: 1,600,000 lbf/in2 (11.03 GPa)
Crushing Strength: 5,610 lbf/in2 (38.7 MPa)
Shrinkage: Radial: 4.3%, Tangential: 7.5%, Volumetric: 11.5%, T/R Ratio: 1.7




Douglas Fir

s/w=347.2

Common Name(s): Douglas-Fir
Scientific Name: Pseudotsuga menziesii
Distribution: Western North America
Tree Size: 200-250 ft (60-75 m) tall, 5-6 ft (1.5-2 m) trunk diameter
Average Dried Weight: 36 lbs/ft3 (570 kg/m3)
Specific Gravity (Basic, 12% MC): .45, .57
Janka Hardness: 620 lbf (2,760 N)
Modulus of Rupture: 12,500 lbf/in2 (86.2 MPa)
Elastic Modulus: 1,765,000 lbf/in2 (12.17 GPa)
Crushing Strength: 6,950 lbf/in2 (47.9 MPa)
Shrinkage: Radial: 4.5%, Tangential: 7.3%, Volumetric: 11.6%, T/R Ratio: 1.6




Alskan Yellow Cedar

s/w=358
Average Dried Weight: 31 lbs/ft3 (495 kg/m3)
Modulus of Rupture: 11,100 lbf/in2 (76.6 MPa)
Elastic Modulus: 1,420,000 lbf/in2 (9.79 GPa)
Crushing Strength: 6,310 lbf/in2 (43.5 MPa)


Cedar of Lebanon

s/w=371.5
Average Dried Weight: 32 lbs/ft3 (510 kg/m3)
Modulus of Rupture: 11,890 lbf/in2 (82.0 MPa)
Elastic Modulus: 1,465,000 lbf/in2 (10.10 GPa)
Crushing Strength: 6,090 lbf/in2 (42.0 MPa)



Port Orford Cedar

s/w=423.8
Average Dried Weight: 29 lbs/ft3 (465 kg/m3)
Modulus of Rupture: 12,290 lbf/in2 (84.8 MPa)
Elastic Modulus: 1,646,000 lbf/in2 (11.35 GPa)
Crushing Strength: 6,080 lbf/in2 (41.9 MPa)



Loblolly Pine

s/w=365.7
Average Dried Weight: 35 lbs/ft3 (570 kg/m3)
Modulus of Rupture: 12,800 lbf/in2 (88.3 MPa)
Elastic Modulus: 1,790,000 lbf/in2 (12.30 GPa)
Crushing Strength: 7,130 lbf/in2 (49.2 MPa)



Radiata Pine

s/w=358.8
Average Dried Weight: 32 lbs/ft3 (515 kg/m3)
Modulus of Rupture: 11,480 lbf/in2 (79.2 MPa)
Elastic Modulus: 1,458,000 lbf/in2 (10.06 GPa)
Crushing Strength: 6,030 lbf/in2 (41.6 MPa)



Scots Pine

s/w=355.3
Average Dried Weight: 34 lbs/ft3 (550 kg/m3)
Modulus of Rupture: 12,080 lbf/in2 (83.3 MPa)
Elastic Modulus: 1,461,000 lbf/in2 (10.08 GPa)
Crushing Strength: 6,020 lbf/in2 (41.5 MPa)



Shortleaf Pine

s/w=374.3
Average Dried Weight: 35 lbs/ft3 (570 kg/m3)
Modulus of Rupture: 13,100 lbf/in2 (90.3 MPa)
Elastic Modulus: 1,750,000 lbf/in2 (12.10 GPa)
Crushing Strength: 7,270 lbf/in2 (50.1 MPa)



Slash Pine

s/w=397.6
Average Dried Weight: 41 lbs/ft3 (650 kg/m3)
Modulus of Rupture: 16,300 lbf/in2 (112.4 MPa)
Elastic Modulus: 1,980,000 lbf/in2 (13.70 GPa)
Crushing Strength: 8,140 lbf/in2 (56.1 MPa)



California Red Fir

s/w=384
Average Dried Weight: 27 lbs/ft3 (435 kg/m3)
Modulus of Rupture: 10,370 lbf/in2 (71.5 MPa)
Elastic Modulus: 1,483,000 lbf/in2 (10.23 GPa)
Crushing Strength: 5,410 lbf/in2 (37.3 MPa)



Noble Fir

s/w=415
Average Dried Weight: 26 lbs/ft3 (415 kg/m3)
Modulus of Rupture: 10,790 lbf/in2 (74.4 MPa)
Elastic Modulus: 1,619,000 lbf/in2 (11.17 GPa)
Crushing Strength: 5,730 lbf/in2 (39.5 MPa)



Pacific Silver Fir

s/w=379.3
Average Dried Weight: 27 lbs/ft3 (435 kg/m3)
Modulus of Rupture: 10,240 lbf/in2 (70.6 MPa)
Elastic Modulus: 1,681,000 lbf/in2 (11.59 GPa)
Crushing Strength: 6,060 lbf/in2 (41.8 MPa)



White Fir

s/w=373
Average Dried Weight: 26 lbs/ft3 (415 kg/m3)
Modulus of Rupture: 9,700 lbf/in2 (66.9 MPa)
Elastic Modulus: 1,485,000 lbf/in2 (10.24 GPa)
Crushing Strength: 5,740 lbf/in2 (39.6 MPa)



Poplar

s/w=348.3
Average Dried Weight: 29 lbs/ft3 (455 kg/m3)
Modulus of Rupture: 10,100 lbf/in2 (69.7 MPa)
Elastic Modulus: 1,580,000 lbf/in2 (10.90 GPa)
Crushing Strength: 5,540 lbf/in2 (38.2 MPa)



Western Hemlock

s/w=389.7
Average Dried Weight: 29 lbs/ft3 (465 kg/m3)
Modulus of Rupture: 11,300 lbf/in2 (77.9 MPa)
Elastic Modulus: 1,630,000 lbf/in2 (11.24 GPa)
Crushing Strength: 7,200 lbf/in2 (37.3 MPa)



Sapele

s/w=379.3
Average Dried Weight: 42 lbs/ft3 (670 kg/m3)
Modulus of Rupture: 15,930 lbf/in2 (109.9 MPa)
Elastic Modulus: 1,746,000 lbf/in2 (12.04 GPa)
Crushing Strength: 8,750 lbf/in2 (60.4 MPa)



Black Spruce

s/w=360.7
Average Dried Weight: 28 lbs/ft3 (450 kg/m3)
Modulus of Rupture: 10,100 lbf/in2 (69.7 MPa)
Elastic Modulus: 1,523,000 lbf/in2 (10.50 GPa)
Crushing Strength: 5,410 lbf/in2 (37.3 MPa)



Red Spruce

s/w=354.8
Average Dried Weight: 27 lbs/ft3 (435 kg/m3)
Modulus of Rupture: 9,580 lbf/in2 (66.0 MPa)
Elastic Modulus: 1,560,000 lbf/in2 (10.76 GPa)
Crushing Strength: 4,870 lbf/in2 (33.6 MPa)



Lati

s/w=376.7
Average Dried Weight: 49 lbs/ft3 (785 kg/m3)
Modulus of Rupture: 18,460 lbf/in2 (127.3 MPa)
Elastic Modulus: 2,147,000 lbf/in2 (14.81 GPa)
Crushing Strength: 9,070 lbf/in2 (62.5 MPa)



Black Walnut

s/w=356.1
Average Dried Weight: 41 lbs/ft3 (655 kg/m3)
Modulus of Rupture: 14,600 lbf/in2 (100.7 MPa)
Elastic Modulus: 1,680,000 lbf/in2 (11.59 GPa)
Crushing Strength: 7,580 lbf/in2 (52.3 MPa)



English walnut

s/w=394.1
Average Dried Weight: 41 lbs/ft3 (655 kg/m3)
Modulus of Rupture: 16,160 lbf/in2 (111.5 MPa)
Elastic Modulus: 1,568,000 lbf/in2 (10.81 GPa)
Crushing Strength: 7,280 lbf/in2 (50.2 MPa)



Cucumber tree (Cucumber Magnolia)

s/w=372.7
Average Dried Weight: 33 lbs/ft3 (530 kg/m3)
Modulus of Rupture: 12,300 lbf/in2 (84.8 MPa)
Elastic Modulus: 1,820,000 lbf/in2 (12.55 GPa)
Crushing Strength: 6,310 lbf/in2 (43.5 MPa)



Camphor

s/w=353.6
Average Dried Weight: 33 lbs/ft3 (520 kg/m3)
Modulus of Rupture: 11,670 lbf/in2 (80.5 MPa)
Elastic Modulus: 1,676,000 lbf/in2 (11.56 GPa)
Crushing Strength: 5,820 lbf/in2 (40.1 MPa)



Canarywood

s/w=358
Average Dried Weight: 50 lbs/ft3 (795 kg/m3)
Modulus of Rupture: 17,900 lbf/in2 (123.5 MPa)
Elastic Modulus: 2,285,000 lbf/in2 (15.76 GPa)
Crushing Strength: 9,550 lbf/in2 (65.9 MPa)



Turkey Oak

s/w=368.2
Average Dried Weight: 45 lbs/ft3 (720 kg/m3)
Modulus of Rupture: 16,570 lbf/in2 (114.3 MPa)
Elastic Modulus: 1,568,000 lbf/in2 (10.81 GPa)
Crushing Strength: 8,170 lbf/in2 (56.4 MPa)



Wild Cherry

s/w=384.1
Average Dried Weight: 39 lbs/ft3 (620 kg/m3)
Modulus of Rupture: 14,980 lbf/in2 (103.3 MPa)
Elastic Modulus: 1,529,000 lbf/in2 (10.55 GPa)
Crushing Strength: 7,250 lbf/in2 (50.0 MPa)



Direct substitues for Spruce:

Port Orford Cedar s/w=423.8

Noble Fir s/w=415

Pacific Silver Fir s/w=379.3

Western Hemlock s/w=389.7




Almost direct substitutes for Sitka Spruce:

Poplar (comes very close, oddly enough) s/w=348.3

Black Spruce (almost, just slightly inferior) s/w=360.7



Direct substitues for Douglas Fir:


Loblolly Pine s/w=365.7

Shortleaf Pine s/w=374.3

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