AISC 360-22ASTM A992 / A6W40 Series
AISC W40x199 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 | 199 lb/ft | 296.1 kg/m |
| Cross-Sectional Area | A | 58.8 in² | 37935 mm² |
| Overall Depth | d | 38.7 in | 983 mm |
| Flange Width | bf | 15.8 in | 401.3 mm |
| Flange Thickness | tf | 1.07 in | 27.2 mm |
| Web Thickness | tw | 0.65 in | 16.5 mm |
| Flange Centroid Distance | ho | 37.6 in | 955 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 14900 in⁴ | 6201.8 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 770 in³ | 12618 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 869 in³ | 14240 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 16 in | 406.4 mm |
| Weak-Axis Inertia | Iy | 695 in⁴ | 289.3 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 88.2 in³ | 1445 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 137 in³ | 2245 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 3.45 in | 87.6 mm |
| Torsional Constant | J | 18.3 in⁴ | 7617 ×10³ mm⁴ |
| Warping Constant | Cw | 387188.8 in⁶ | 66059.8 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 4.12 in | 104.6 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
3258.8 kip-ft
4421.6 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
679.2 kips
3023.5 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
7.38
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
56.2
✓ Compact Web (λw ≤ 90.5)