AISC 360-22ASTM A992 / A6W33 Series
AISC W33x291 Properties & Dimensions
Standard wide flange I-beam cross-section properties, geometric dimensions, and LRFD design capacities per AISC Steel Construction Manual 15th/16th Edition.
Cross-Section Technical Schematic
Dual Units: Imperial (US) · SI MetricGeometric Dimensions & Area
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Nominal Weight | w | 291 lb/ft | 433.1 kg/m |
| Cross-Sectional Area | A | 85.6 in² | 55226 mm² |
| Overall Depth | d | 34.8 in | 883.9 mm |
| Flange Width | bf | 15.9 in | 403.9 mm |
| Flange Thickness | tf | 1.73 in | 43.9 mm |
| Web Thickness | tw | 0.96 in | 24.4 mm |
| Flange Centroid Distance | ho | 33.1 in | 840.7 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 17700 in⁴ | 7367.3 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 1020 in³ | 16715 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 1160 in³ | 19009 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 14.4 in | 365.8 mm |
| Weak-Axis Inertia | Iy | 1160 in⁴ | 482.8 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 146 in³ | 2393 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 226 in³ | 3703 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 3.68 in | 93.5 mm |
| Torsional Constant | J | 65.1 in⁴ | 27097 ×10³ mm⁴ |
| Warping Constant | Cw | 502086.3 in⁶ | 85662.9 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 4.34 in | 110.2 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
4350 kip-ft
5902.3 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
902 kips
4015.4 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
4.6
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
32.6
✓ Compact Web (λw ≤ 90.5)