AISC 360-22ASTM A992 / A6W27 Series
AISC W27x281 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 | 281 lb/ft | 418.2 kg/m |
| Cross-Sectional Area | A | 83.1 in² | 53613 mm² |
| Overall Depth | d | 29.3 in | 744.2 mm |
| Flange Width | bf | 14.4 in | 365.8 mm |
| Flange Thickness | tf | 1.93 in | 49 mm |
| Web Thickness | tw | 1.06 in | 26.9 mm |
| Flange Centroid Distance | ho | 27.4 in | 696 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 11900 in⁴ | 4953.2 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 814 in³ | 13339 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 936 in³ | 15338 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 12 in | 304.8 mm |
| Weak-Axis Inertia | Iy | 953 in⁴ | 396.7 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 133 in³ | 2179 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 206 in³ | 3376 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 3.39 in | 86.1 mm |
| Torsional Constant | J | 79.5 in⁴ | 33090 ×10³ mm⁴ |
| Warping Constant | Cw | 280161 in⁶ | 47799.4 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 4 in | 101.6 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
3510 kip-ft
4762.5 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
838.6 kips
3733 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
3.73
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
24
✓ Compact Web (λw ≤ 90.5)