TM 55-607/NAVSEA OP 3221 Rev 2
APPENDIX B
GENERAL PROPERTIES OF DUNNAGE LUMBER
Table B-1 Properties of Structural Lumber Commonly Used in Dunnaging
Nominal size
Standard
Weight in pounds per linear foot
dressed size
(when weight of wood in pounds per cubic foot equals):
b(in.)h
b(in.)h
25
30
35
40
45
50
1x3
3/4 x 2
0.33
0.39
0.46
0.52
0.59
0.65
1x4
3/4 x 3
0.46
0.55
0.64
0.73
0.82
0.91
1x6
3/4 x 5
0.72
0.86
1.00
1.15
1.29
1.43
1x8
3/4 x 7
0.94
1.13
1.32
1.51
1.70
1.89
1 x 10
3/4 x 9
1.20
1.45
1.69
1.93
2.17
2.41
1 x 12
3/4 x 11
1.47
1.76
2.05
2.34
2.64
2.93
2x3
1 x 2
0.65
0.78
0.91
1.04
1.17
1.30
2x4
1 l x 3
0.91
1.09
1.28
1.46
1.64
1.82
2x6
1 x 5
1.43
1.72
2.00
2.29
2.58
2.87
2x8
1 x 7
1.89
2.27
2.64
3.02
3.40
3.78
2 x 10
1 x 9
2.41
2.89
3.37
3.85
4.34
4.82
2 x 12
1 x 11
2.93
3.52
4.10
4.69
5.27
5.86
2 x 14
1 x 13
3.45
4.14
4.83
5.52
6.21
6.90
4x3
3 x 2
1.52
1.82
2.13
2.43
2.73
3.04
4x4
3 x 3
2.13
2.55
2.98
3.40
2.83
4.25
4 x 6*-
3 x 5
3.34
4.01
4.68
5.35
6.02
6.68
4 x 8'*
3 x 7
4.40
5.29
6.17
7.05
7.93
8.81
6 x 6-"
5 x 5
5.25
6.30
7.35
8.40
9.45
10.50
b = Breadth in inches of beam face opposed to or to which the force or load is applied.
h = Height or depth in inches of beam face parallel with the direction of the action of the force or load.
* * Not recommended for general use.
B-1