Dimensions and section properties for HP18X204
Structural sectional properties for a HP18X204 standard steel section
US Customary Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | HP |
| Section Name | Name | HP18X204 |
| Cross Sectional Area | A | 60.2 in2 |
| Section Width | b | 18.1 in |
| Section Depth | d | 18.3 in |
| Flange thickness | tf | 1.13 in |
| Web thickness | tw | 1.13 in |
| Radius of Gyration about X-X | rx | 7.6 in |
| Radius of Gyrations about Y-Y | ry | 4.31 in |
| Moment of Inertia about X-X | Ix | 3480 in4 |
| Moment of Intertia about Y-Y | Iy | 1120 in4 |
| Elastic Section Modulus about X-X | Sx | 380 in3 |
| Elastic Section Modulus about Y-Y | Sy | 124 in3 |
| Plastic Section Modulus about X-X | Zx | 433 in3 |
| Plastic Section Modulus about Y-Y | Zy | 191 in3 |
| St. Venant Torsional Constant | J | 29.5 in4 |
| Warping Torsion Constant | Cw | 82500 in6 |
| Self Weight of section | Weight | 204 lb/ft |
Metric Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | HP |
| Section Name | Name | HP18X204 |
| Cross Sectional Area | A | 38839 mm2 |
| Section Width | b | 460 mm |
| Section Depth | d | 465 mm |
| Flange thickness | tf | 28.7 mm |
| Web thickness | tw | 28.7 mm |
| Radius of Gyration about X-X | rx | 193 mm |
| Radius of Gyrations about Y-Y | ry | 109 mm |
| Moment of Inertia about X-X | Ix | 1448000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 466000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 6227000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 2032000 mm3 |
| Plastic Section Modulus about X-X | Zx | 7096000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 3130000 mm3 |
| St. Venant Torsional Constant | J | 12279000 mm4 |
| Warping Torsion Constant | Cw | 22154000000000 mm6 |
| Self Weight of section | Weight | 304 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A HP18X204 steel section is a standard North American steel section in the HP - Hollow Pipe category. It weighs 204 lb/ft and has a cross sectional area of 60.2 in2. The height and width of the section are 18.3 in and 18.1 in respectively.
The section has a tensile yield capacity of:
kip
The section has a flexural plastic moment capacity of:
kip-ft
The section has a flexural elastic moment capacity of:
kip-ft
Calcs.app