AISC 360-22ASTM A992 / A6W16 Series
AISC W16x45 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 | 45 lb/ft | 67 kg/m |
| Cross-Sectional Area | A | 13.3 in² | 8581 mm² |
| Overall Depth | d | 16.1 in | 408.9 mm |
| Flange Width | bf | 7.04 in | 178.8 mm |
| Flange Thickness | tf | 0.565 in | 14.4 mm |
| Web Thickness | tw | 0.345 in | 8.8 mm |
| Flange Centroid Distance | ho | 15.5 in | 393.7 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 586 in⁴ | 243.9 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 72.7 in³ | 1191 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 82.3 in³ | 1349 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 6.65 in | 168.9 mm |
| Weak-Axis Inertia | Iy | 32.8 in⁴ | 13.7 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 9.3 in³ | 153 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 14.5 in³ | 238 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 1.57 in | 39.9 mm |
| Torsional Constant | J | 1.11 in⁴ | 462 ×10³ mm⁴ |
| Warping Constant | Cw | 3132.1 in⁶ | 534.4 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 1.87 in | 47.5 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
308.6 kip-ft
418.8 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
150 kips
667.6 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
6.23
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
43.4
✓ Compact Web (λw ≤ 90.5)