AISC 360-22ASTM A992 / A6W40 Series
AISC W40x294 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 | 294 lb/ft | 437.5 kg/m |
| Cross-Sectional Area | A | 86.2 in² | 55613 mm² |
| Overall Depth | d | 40.4 in | 1026.2 mm |
| Flange Width | bf | 12 in | 304.8 mm |
| Flange Thickness | tf | 1.93 in | 49 mm |
| Web Thickness | tw | 1.06 in | 26.9 mm |
| Flange Centroid Distance | ho | 38.5 in | 977.9 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 21900 in⁴ | 9115.5 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 1080 in³ | 17698 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 1270 in³ | 20812 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 15.9 in | 403.9 mm |
| Weak-Axis Inertia | Iy | 562 in⁴ | 233.9 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 93.5 in³ | 1532 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 150 in³ | 2458 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 2.55 in | 64.8 mm |
| Torsional Constant | J | 76.6 in⁴ | 31883 ×10³ mm⁴ |
| Warping Constant | Cw | 327379.2 in⁶ | 55855.5 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 3.16 in | 80.3 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
4762.5 kip-ft
6462 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
1156.2 kips
5147.2 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
3.11
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
34.5
✓ Compact Web (λw ≤ 90.5)