Product Grid - US Standard:
| TW25 | TW30 | TW50 | TW70 | TW85 | TW95 | |||
|---|---|---|---|---|---|---|---|---|
| Section Width (W) | inches | 18 | 20 | 20 | 18 | 18 | 18 | |
| Section Depth (D) | inches | 6 | 7 | 8 | 9 | 10 | 12 | |
| Section Thickness (T) | inches | 0.250 | 0.250 | 0.300 | 0.330 | 0.440 | 0.460 | |
| Weight | lbs/lineal foot | 4.9 | 5.4 | 6.5 | 5.95 | 8.33 | 9.0 | |
| Moment of Inertia | in4/ft | 27.4 | 41.4 | 70.7 | 87.93 | 166.3 | 235.6 | |
| Section Modulus | in3/ft | 9.1 | 11.6 | 16.1 | 19.54 | 31.95 | 37.0 | |
| Ultimate Moment | ft-lbs/ft | 4,929 | 6,283 | 8,720 | 10,584 | 17,306 | 20,052 | |
| Allowable Moment | ft-lbs/ft | 2,464 | 3,141 | 4,360 | 5,292 | 8,653 | 10,026 | |
| Tensile Strength | lbs/in2 | ASTM-D638 | 6,500 | 6,500 | 6,500 | 6,500 | 6,500 | 6,500 |
| Flexural Strength | Psi | ASTM-D790 | 10,200 | 10,200 | 10,200 | 10,200 | 10,200 | 10,200 |
| Modulus of Elasticity | Psi | ASTM-D790 | 380,000 | 380,000 | 380,000 | 380,000 | 380,000 | 380,000 |
| Notched Izod Impact | lbs/in | ASTM-D256 | 13.75 | 13.75 | 13.75 | 13.75 | 13.75 | 13.75 |
| Heat Deflection Temp. | degrees F | ASTM-D648 | 158 | 158 | 158 | 158 | 158 | 158 |
Product Grid - Metric:
| TW25 | TW30 | TW50 | TW70 | TW85 | TW95 | |||
|---|---|---|---|---|---|---|---|---|
| Section Width (W) | mm | 457 | 508 | 508 | 457 | 457 | 457 | |
| Section Depth (D) | mm | 152 | 178 | 203 | 229 | 254 | 305 | |
| Section Thickness (T) | mm | 6.35 | 6.35 | 7.62 | 8.38 | 11.18 | 11.70 | |
| Weight | kg/lineal meter | 7.10 | 8.05 | 9.41 | 8.91 | 12.06 | 13.25 | |
| Moment of Inertia | cm4/m | 3,742 | 5,653 | 9,655 | 12,008 | 22,709 | 32,179 | |
| Section Modulus | cm3/m | 489 | 623 | 866 | 1,050 | 1,717 | 1,990 | |
| Ultimate Moment | kg-m/m | 2,263 | 2,890 | 4,005 | 4,860 | 7,948 | 9,224 | |
| Allowable Moment | kg-m/m | 1,132 | 1,445 | 2,002 | 2,430 | 3,980 | 4,612 | |
| Tensile Strength | Mpa | ASTM-D638 | 44.8 | 44.8 | 44.8 | 44.8 | 44.8 | 44.8 |
| Flexural Strength | Mpa | ASTM-D790 | 70.3 | 70.3 | 70.3 | 70.3 | 70.3 | 70.3 |
| Modulus of Elasticity | Mpa | ASTM-D790 | 2,620 | 2,620 | 2,620 | 2,620 | 2,620 | 2,620 |
| Notched Izod Impact | kg/cm | ASTM-D256 | 2.46 | 2.46 | 2.46 | 2.46 | 2.46 | 2.46 |
| Heat Deflection Temp. | degrees C | ASTM-D648 | 70 | 70 | 70 | 70 | 70 | 70 |
724 528 5900 
724 528 5903 