Dimensions and section properties for W21X201
Structural sectional properties for a W21X201 standard steel section
US Customary Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W21X201 |
| Cross Sectional Area | A | 59.3 in2 |
| Section Width | b | 12.6 in |
| Section Depth | d | 23 in |
| Flange thickness | tf | 1.63 in |
| Web thickness | tw | 0.91 in |
| Radius of Gyration about X-X | rx | 9.47 in |
| Radius of Gyrations about Y-Y | ry | 3.02 in |
| Moment of Inertia about X-X | Ix | 5310 in4 |
| Moment of Intertia about Y-Y | Iy | 542 in4 |
| Elastic Section Modulus about X-X | Sx | 461 in3 |
| Elastic Section Modulus about Y-Y | Sy | 86.1 in3 |
| Plastic Section Modulus about X-X | Zx | 530 in3 |
| Plastic Section Modulus about Y-Y | Zy | 133 in3 |
| St. Venant Torsional Constant | J | 40.9 in4 |
| Warping Torsion Constant | Cw | 62000 in6 |
| Self Weight of section | Weight | 201 lb/ft |
Metric Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | W |
| Section Name | Name | W21X201 |
| Cross Sectional Area | A | 38258 mm2 |
| Section Width | b | 320 mm |
| Section Depth | d | 584 mm |
| Flange thickness | tf | 41.4 mm |
| Web thickness | tw | 23.1 mm |
| Radius of Gyration about X-X | rx | 241 mm |
| Radius of Gyrations about Y-Y | ry | 77 mm |
| Moment of Inertia about X-X | Ix | 2210000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 226000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 7554000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 1411000 mm3 |
| Plastic Section Modulus about X-X | Zx | 8685000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 2179000 mm3 |
| St. Venant Torsional Constant | J | 17024000 mm4 |
| Warping Torsion Constant | Cw | 16649000000000 mm6 |
| Self Weight of section | Weight | 299 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A W21X201 steel section is a standard North American steel section in the W - Wide Flange category. The height and width of the section are 23 in (584 mm) and 12.6 in (320 mm) respectively. It weighs 201 lb/ft (299 kg/m) and has a cross sectional area of 59.3 in2 (38258 mm2).
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