AISC 360-22ASTM A992 / A6W40 Series
AISC W40x503 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 | 503 lb/ft | 748.5 kg/m |
| Cross-Sectional Area | A | 148 in² | 95484 mm² |
| Overall Depth | d | 42.1 in | 1069.3 mm |
| Flange Width | bf | 16.4 in | 416.6 mm |
| Flange Thickness | tf | 2.76 in | 70.1 mm |
| Web Thickness | tw | 1.54 in | 39.1 mm |
| Flange Centroid Distance | ho | 39.3 in | 998.2 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 41600 in⁴ | 17315.2 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 1980 in³ | 32446 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 2320 in³ | 38018 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 16.8 in | 426.7 mm |
| Weak-Axis Inertia | Iy | 2040 in⁴ | 849.1 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 249 in³ | 4080 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 394 in³ | 6457 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 3.72 in | 94.5 mm |
| Torsional Constant | J | 277 in⁴ | 115296 ×10³ mm⁴ |
| Warping Constant | Cw | 1241837.3 in⁶ | 211874.8 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 4.5 in | 114.3 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
8700 kip-ft
11804.6 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
1750.5 kips
7792.6 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
2.97
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
23.8
✓ Compact Web (λw ≤ 90.5)