AISC 360-22ASTM A992 / A6W6 Series
AISC W6x9 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 | 9 lb/ft | 13.4 kg/m |
| Cross-Sectional Area | A | 2.68 in² | 1729 mm² |
| Overall Depth | d | 5.9 in | 149.9 mm |
| Flange Width | bf | 3.94 in | 100.1 mm |
| Flange Thickness | tf | 0.215 in | 5.5 mm |
| Web Thickness | tw | 0.17 in | 4.3 mm |
| Flange Centroid Distance | ho | 5.69 in | 144.5 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 16.4 in⁴ | 6.8 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 5.6 in³ | 91 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 6.2 in³ | 102 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 2.47 in | 62.7 mm |
| Weak-Axis Inertia | Iy | 2.2 in⁴ | 0.9 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 1.1 in³ | 18 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 1.7 in³ | 28 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 0.9 in | 23 mm |
| Torsional Constant | J | 0.04 in⁴ | 17 ×10³ mm⁴ |
| Warping Constant | Cw | 27.9 in⁶ | 4.8 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 1.06 in | 26.9 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
23.4 kip-ft
31.7 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
27.1 kips
120.6 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
9.16
Non-compact FlangeWeb Slenderness (λw = h / tw)
32.2
✓ Compact Web (λw ≤ 90.5)