AISC 360-22ASTM A992 / A6W8 Series
AISC W8x24 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 | 24 lb/ft | 35.7 kg/m |
| Cross-Sectional Area | A | 7.08 in² | 4568 mm² |
| Overall Depth | d | 7.93 in | 201.4 mm |
| Flange Width | bf | 6.5 in | 165.1 mm |
| Flange Thickness | tf | 0.4 in | 10.2 mm |
| Web Thickness | tw | 0.245 in | 6.2 mm |
| Flange Centroid Distance | ho | 7.53 in | 191.3 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 82.7 in⁴ | 34.4 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 20.9 in³ | 342 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 23.1 in³ | 379 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 3.42 in | 86.9 mm |
| Weak-Axis Inertia | Iy | 18.3 in⁴ | 7.6 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 5.6 in³ | 92 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 8.6 in³ | 140 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 1.61 in | 40.9 mm |
| Torsional Constant | J | 0.346 in⁴ | 144 ×10³ mm⁴ |
| Warping Constant | Cw | 407.6 in⁶ | 69.6 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 1.81 in | 46 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
86.6 kip-ft
117.5 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
52.5 kips
233.5 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
8.13
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
29.1
✓ Compact Web (λw ≤ 90.5)