98 



MECHANICAL PROPERTIES- TABLE 74. — Hardwoods Grown in U. S. (English Units). 



Common and botanical 

 name. 



Alder, red 



(Alnus oregona) 

 Ash, black 



(Fraxinus nigra) 

 Ash, white (forest grown) 



(Fraxinus amcricana) 

 Ash, white (2d growth) . , 



(Fraxinus americana) 

 Aspen 



(Populus tremuloides) 

 Basswood 



(Tilia americana) 

 Beech 



(Fagus atropunicea) 

 Birch, paper 



(Bctula papyri/era) 

 Birch, yellow 



(Belula lulea) 

 Butternut. , 



(Juglans cinerea) 

 Cherry, black 



(Prunus serotina) 

 Chestnut 



(Castanea dentata) 

 Cottonwood 



(Populus dclloides) 

 Cucumber tree 



(Magnolia acuminata) 

 Dogwood (flowering) . . . , 



(Cornus florida) 

 Elm, cork , 



(Ulmus racemosa) 

 Elm, white 



(Ulmus amcricana) 

 Gum, blue 



(Eucalyptus globulus) 

 Gum, cotton 



(Nyssa aguatica) 



Gum, red 



(Liquidambar styraciflua) 

 Hickory, pecan 



(Hicoria pecan) 

 Hickory, shagbark 



(Hicoria ovata) 

 Holly, American 



(Ilex opaca) 

 Laurel, mountain 



(Kalmia latifolia) 

 Locust, black 



(Robinia pseudacacia) 

 Locust, honey 



(Gleditsia triacanlhos) 

 Magnolia (evergreen) . . . 



(Magnolia foetida) 



Maple, silver 



(Acer saccharinum) 



Maple, sugar 



(Acer saccharum) 



Oak, canyon live 



(Quercus chrysolepsis) 



Oak, red 



(Quercus rubra) 



Oak, white 



(Quercus alba) 



Persimmon 



(Diospyros virginiana) 

 Poplar, yellow 



(Liriodendron tulipifera) 



Sycamore 



(Platanus occidenlalis) 



Walnut, black 



(Juglans nigra) 



Wash. 



Mich, and 



Wis. 

 Ark. and W. 



Va. 



N. y. 



Locality 

 where grown. 



Wis. 



Wis. and Pa. 

 Ind. and Pa. 

 Wis. and Pa. 



Wis. 



Tenn. and 



Wis. 

 Pa. 



Md. and Tenn 



Mo. 



Tenn. 



Tenn. 



Wis. 



Wis. and Pa. 



Cal. 



La. 



Mo. 



Mo. 



O., Miss., 

 and W. 

 Tenn. 



Tenn. 



Tenn. 



Mo. and Ind. 



La. 



Wis. 



Ind., Pa. and 



Wis. 

 Cal. 



Ark., La., Ind. 



and Tenn. 

 Ark., La. and 



Ind. 

 Mo. 



Tenn. 



Ind. and Tenn 



Ky. 



a ^ 



2 a 



83 

 43 

 40 

 107 

 103 

 62 

 72 

 68 

 104 

 SS 

 122 

 III 

 80 

 62 

 50 

 88 

 79 

 97 

 8i 

 63 

 60 

 82 

 62 

 40 

 63 

 "7 

 66 

 60 

 62 

 84 

 68 

 S8 

 64 

 83 

 81 



Green. 



Weight. 



Air- 

 dry. 



lb/ft' 



46 

 S3 

 46 

 SI 

 47 

 41 

 SS 

 SI 

 S8 

 46 

 46 

 SS 

 49 

 SO 

 6s 

 54 



S2 



70 



S6 

 SO 

 61 

 64 

 S7 

 62 

 S3 

 01 

 62 

 46 

 S6 

 71 

 64 

 62 

 63 

 38 

 Sa 

 S8 



28 

 34 

 40 

 46 

 27 

 26 

 44 

 38 

 4S 

 27 

 36 

 30 

 29 

 33 

 S4 

 4S 

 iS 

 S4 

 34 

 36 

 46 

 SI 

 40 

 49 

 49 

 47 

 3S 

 34 

 44 

 S6 

 4S 

 47 

 S3 

 28 

 35 

 39 



Static bending. 



3800 

 2600 

 4900 

 6100 

 2900 

 2700 

 4500 

 2900 

 4600 

 2900 

 4200 

 3100 

 2900 

 4200 

 4800 

 4600 

 3600 

 7600 

 4200 

 3700 

 5200 

 5900 



3433 



5S00 

 8SO0 



S6oo 

 3600 

 3100 

 5000 

 6300 

 3700 

 4700 

 5600 

 3200 

 3300 

 S400 



•S-9 



t/)^ 



■§1 

 S9- 



6500 



6000 



9100 



10800 



S300 

 Sooo 

 8200 

 5800 

 8600 

 S400 

 8000 

 s6oo 

 S30O 

 7400 

 8S00 

 9500 

 6900 

 1 1 200 

 7300 

 6S00 

 9800 

 1 1000 

 6300 

 8400 

 13800 

 10200 

 6800 

 5800 

 9100 

 10600 

 7700 

 8300 

 1 0000 

 S6oo 

 6500 

 9300 



"oX 



en O 

 •1° 



S-3 



8 



1170 

 1020 

 I3S0 

 1640 

 840 

 1030 

 1240 



lOIO 



1540 

 970 



1310 

 930 



lOIO 



1360 

 1 180 



II90 

 1030 

 2010 

 1030 

 IISO 

 1370 

 IS70 

 goo 

 920 

 1830 

 1290 

 mo 

 940 

 1480 

 1340 

 1290 

 1230 

 1370 

 1210 

 1060 

 1420 



Impact 

 bending. 



8000 

 7200 



1 1 700 



13800 

 6900 

 6200 



10400 

 7800 



11700 

 7300 



10200 

 7900 

 7200 

 9300 

 7100 



1 1000 

 8100 



14200 

 gooo 



lOOOO 



12300 



14400 



8900 



10200 



18300 



11800 



8800 



6800 



12100 



11200 



10400 



10700 



12100 



8000 



8800 



11900 



Parallel 

 to grain. 



Compression. 



P- 



limit. 



Ib/in2 



11 



2630 

 1620 

 3230 

 3820 

 1620 

 1710 

 aSSo 

 1630 

 2760 

 i960 

 2940 

 2040 

 1770 

 2760 



3870 

 3290 

 4870 

 2760 

 3360 

 3040 

 3430 

 1970 



6280 

 3320 

 2200 

 1930 

 312c 

 4030 

 2330 

 2990 

 3030 

 2000 

 2390 

 3600 



12 = 



13 



310 



430 



800 



790 



200 



210 



610 



300 



4SO 



270 



440 



3S0 



240 



410 



1030 



7SO 



390 



1020 



S90 



460 



960 



1000 



610 



mo 



1430 



1420 



S70 



460 



7SO 



1480 



730 



830 



mo 



310 



430 



600 



Shear. 



Ten- 

 sion. 



jjoTE. — Results of tests on sixty-eight species; test specimens, small clear pieces, 2 by 2 inches in section, 30 inches long tor 

 bending; others, shorter. Tested in a green condition. Data taken from Bulletin 536, Forest' Service, U. S. Dept. of Agriculture, 

 containing data on 130,000 tests. See pages 97 and 99 for explanation of columns. 



Smithsonian Tables. 



