AISC 360-22ASTM A992 / A6W40 Series
AISC W40x327 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 | 327 lb/ft | 486.6 kg/m |
| Cross-Sectional Area | A | 95.9 in² | 61871 mm² |
| Overall Depth | d | 40.8 in | 1036.3 mm |
| Flange Width | bf | 12.1 in | 307.3 mm |
| Flange Thickness | tf | 2.13 in | 54.1 mm |
| Web Thickness | tw | 1.18 in | 30 mm |
| Flange Centroid Distance | ho | 38.7 in | 983 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 24500 in⁴ | 10197.7 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 1200 in³ | 19664 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 1410 in³ | 23106 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 16 in | 406.4 mm |
| Weak-Axis Inertia | Iy | 640 in⁴ | 266.4 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 105 in³ | 1721 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 170 in³ | 2786 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 2.58 in | 65.5 mm |
| Torsional Constant | J | 103 in⁴ | 42872 ×10³ mm⁴ |
| Warping Constant | Cw | 376171.2 in⁶ | 64180.1 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 3.21 in | 81.5 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
5287.5 kip-ft
7174.3 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
1299.9 kips
5786.6 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
2.84
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
31
✓ Compact Web (λw ≤ 90.5)