AISC 360-22ASTM A992 / A6W27 Series
AISC W27x161 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 | 161 lb/ft | 239.6 kg/m |
| Cross-Sectional Area | A | 47.6 in² | 30710 mm² |
| Overall Depth | d | 27.6 in | 701 mm |
| Flange Width | bf | 14 in | 355.6 mm |
| Flange Thickness | tf | 1.08 in | 27.4 mm |
| Web Thickness | tw | 0.66 in | 16.8 mm |
| Flange Centroid Distance | ho | 26.5 in | 673.1 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 6310 in⁴ | 2626.4 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 458 in³ | 7505 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 515 in³ | 8439 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 11.5 in | 292.1 mm |
| Weak-Axis Inertia | Iy | 497 in⁴ | 206.9 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 70.9 in³ | 1162 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 109 in³ | 1786 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 3.23 in | 82 mm |
| Torsional Constant | J | 15.1 in⁴ | 6285 ×10³ mm⁴ |
| Warping Constant | Cw | 137404.8 in⁶ | 23443.2 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 3.79 in | 96.3 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
1931.3 kip-ft
2620.4 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
491.8 kips
2189.4 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
6.48
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
38.5
✓ Compact Web (λw ≤ 90.5)