AISC 360-22ASTM A992 / A6W14 Series
AISC W14x550 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 | 550 lb/ft | 818.5 kg/m |
| Cross-Sectional Area | A | 162 in² | 104516 mm² |
| Overall Depth | d | 20.2 in | 513.1 mm |
| Flange Width | bf | 17.2 in | 436.9 mm |
| Flange Thickness | tf | 3.82 in | 97 mm |
| Web Thickness | tw | 2.38 in | 60.5 mm |
| Flange Centroid Distance | ho | 16.4 in | 416.6 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 9430 in⁴ | 3925.1 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 931 in³ | 15256 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 1180 in³ | 19337 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 7.63 in | 193.8 mm |
| Weak-Axis Inertia | Iy | 3250 in⁴ | 1352.8 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 378 in³ | 6194 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 583 in³ | 9554 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 4.49 in | 114 mm |
| Torsional Constant | J | 669 in⁴ | 278459 ×10³ mm⁴ |
| Warping Constant | Cw | 344692.5 in⁶ | 58809.4 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 5.35 in | 135.9 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
4425 kip-ft
6004.1 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
1298.1 kips
5778.4 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
2.25
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
5.3
✓ Compact Web (λw ≤ 90.5)