AISC 360-22ASTM A992 / A6W40 Series
AISC W40x183 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 | 183 lb/ft | 272.3 kg/m |
| Cross-Sectional Area | A | 53.3 in² | 34387 mm² |
| Overall Depth | d | 39 in | 990.6 mm |
| Flange Width | bf | 11.8 in | 299.7 mm |
| Flange Thickness | tf | 1.2 in | 30.5 mm |
| Web Thickness | tw | 0.65 in | 16.5 mm |
| Flange Centroid Distance | ho | 37.8 in | 960.1 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 13200 in⁴ | 5494.3 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 675 in³ | 11061 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 774 in³ | 12684 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 15.7 in | 398.8 mm |
| Weak-Axis Inertia | Iy | 331 in⁴ | 137.8 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 56 in³ | 918 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 88.3 in³ | 1447 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 2.49 in | 63.2 mm |
| Torsional Constant | J | 19.3 in⁴ | 8033 ×10³ mm⁴ |
| Warping Constant | Cw | 185724.7 in⁶ | 31687.2 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 3.04 in | 77.2 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
2902.5 kip-ft
3938.3 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
684.4 kips
3046.9 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
4.92
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
56.3
✓ Compact Web (λw ≤ 90.5)