Table 1. -- Mechanical properties of angelique and some comparable 
hardwoods, teak and white oak 
Property- 
Species 
Angelique : Teak : White oak 
( Dicorynia : ( Tectona : ( Quercus 
guianensis ) : grandis ) : alba ) 
Moisture content 
Green percent 
Air dry percent 
Specific gravity -- Based on volume 
when green and weight when ovendry 
Static bending 
Fiber stress at proportional limit 
Green p.s.i. 
Air dry p.s.i. 
Modulus of rupture 
Green p.s.i. 
Air dry p.s.i. 
Modulus of elasticity 
Green 1,000 p.s.i. 
Air dry 1,000 p.s.i. 
Work to proportional limit 
Green in. -lb. per cu. in. 
Air dry in. -lb. per cu. in. 
Work to maximum load 
Green in . -lb . per cu . in . 
Air dry in. -lb. per cu. in. 
81 
12 
0.62 
8,560 
12,980 
12,520 
18,590 
1,920 
2,21+0 
2.06 
5.96 
13.8 
14.2 
52 
12 
68 
12 
O.58 : 0.60 
7,250 
8,160 
11,580 
15,770 
1,580 
1,670 
1.89 
2.51 
10.0 
^9.5 
4,700 
8,200 
8,500 
15,200 
1,250 
1,780 
1.08 
2.27 
11.6 
14.8 
Compression parallel to grain 
Fiber stress at proportional limit 
Green p.s.i, 
Air dry p.s.i, 
Maximum crushing strength 
Green p.s.i, 
Air dry p.s.i, 
5,060 
7,160 
5,750 
9,020 
4,120 
5,180 
5,490 
7,520 
3,090 
4,760 
5,560 
7,44o 
Hardness 
End 
Green ..lb, 
Air dry lb , 
Side 
Green lb, 
Air dry lb, 
1,300 
2,010 
1,290 
1,510 
900 
1,010 
980 
1,100 
1,120 
1,520 
1,060 
1,560 
Rept. No. 1787 
(Sheet 1 of 2) 
