| Appendix: Structural Shapes | Multimedia Engineering Mechanics | ||||||
| Beams | Angles | Channels | Tubing | Other | |||
| Lumber_US | Pipes_US | Tee_US | Rebar_All |
| Chapter |
| 1. Stress/Strain |
| 2. Torsion |
| 3. Beam Shr/Moment |
| 4. Beam Stresses |
| 5. Beam Deflections |
| 6. Beam-Advanced |
| 7. Stress Analysis |
| 8. Strain Analysis |
| 9. Columns |
| Appendix |
| Basic Math |
| Units |
| Basic Equations |
| Sections |
| Material Properties |
| Structural Shapes |
| Beam Equations |
| Search |
| eBooks |
| Dynamics |
| Fluids |
| Math |
| Mechanics |
| Statics |
| Thermodynamics |
| Author(s): |
| Kurt Gramoll |
©Kurt Gramoll
|
Structural Lumber US Units |
 |
| Nominal Dimensions in |
Net or Dressed Dimensions in (b × h) |
Actual Area in2 |
Weight lb/ft |
x-x axis | y-y axis | ||
| Ix in4 |
Sx in3 |
Iy in4 |
Sy in3 |
||||
| 2 × 4 | 1.5 × 3.5 | 5.25 | 1.3 | 5.36 | 3.06 | 0.98 | 1.31 |
| 2 × 6 | 1.5 × 5.5 | 8.25 | 2.0 | 20.80 | 7.56 | 1.55 | 2.06 |
| 2 × 8 | 1.5 × 7.25 | 10.88 | 2.6 | 47.63 | 13.14 | 2.04 | 2.72 |
| 2 × 10 | 1.5 × 9.25 | 13.88 | 3.4 | 98.93 | 21.39 | 2.60 | 3.47 |
| 2 × 12 | 1.5 × 11.25 | 16.88 | 4.1 | 177.98 | 31.64 | 3.16 | 4.22 |
| 3 × 4 | 2.5 × 3.5 | 8.75 | 2.1 | 8.93 | 5.10 | 4.56 | 3.65 |
| 3 × 6 | 2.5 × 5.5 | 13.75 | 3.3 | 34.66 | 12.60 | 7.16 | 5.73 |
| 3 × 8 | 2.5 × 7.25 | 18.13 | 4.4 | 79.39 | 21.90 | 9.44 | 7.55 |
| 3 × 10 | 2.5 × 9.25 | 23.13 | 5.6 | 164.89 | 35.65 | 12.04 | 9.64 |
| 3 × 12 | 2.5 × 11.25 | 28.13 | 6.8 | 296.63 | 52.73 | 14.65 | 11.72 |
| 4 × 4 | 3.5 × 3.5 | 12.25 | 3.0 | 12.51 | 7.15 | 12.51 | 7.15 |
| 4× 6 | 3.5 × 5.5 | 19.25 | 4.7 | 48.53 | 17.65 | 19.65 | 11.23 |
| 4 x 8 | 3.5 × 7.25 | 25.38 | 6.2 | 111.15 | 30.66 | 25.90 | 14.80 |
| 4 × 10 | 3.5 × 9.25 | 32.38 | 7.9 | 230.84 | 49.91 | 33.05 | 18.89 |
| 4 × 12 | 3.5 × 11.25 | 39.38 | 9.6 | 415.28 | 73.83 | 40.20 | 22.97 |
| 6 × 6 | 5.5 × 5.5 | 30.25 | 7.4 | 76.3 | 27.7 | 76.3 | 27.7 |
| 6 × 8 | 5.5 × 7.5 | 41.25 | 10.0 | 193.4 | 51.6 | 104.0 | 37.8 |
| 6 × 10 | 5.5 × 9.5 | 52.25 | 12.7 | 393.0 | 82.7 | 131.7 | 47.9 |
| 6 × 12 | 5.5 × 11.5 | 63.25 | 15.4 | 697.1 | 121.2 | 159.4 | 58.0 |
| 8 × 8 | 7.5 × 7.5 | 56.25 | 13.7 | 263.7 | 70.3 | 263.7 | 70.3 |
| 8 × 10 | 7.5 × 9.5 | 71.25 | 17.3 | 535.9 | 112.8 | 334.0 | 89.1 |
| 8 × 12 | 7.5 × 11.5 | 86.25 | 21.0 | 950.5 | 165.3 | 404.3 | 107.8 |