AISC 360-22ASTM A992 / A6W40 Series
AISC W40x655 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 | 655 lb/ft | 974.7 kg/m |
| Cross-Sectional Area | A | 193 in² | 124516 mm² |
| Overall Depth | d | 43.6 in | 1107.4 mm |
| Flange Width | bf | 16.9 in | 429.3 mm |
| Flange Thickness | tf | 3.54 in | 89.9 mm |
| Web Thickness | tw | 1.97 in | 50 mm |
| Flange Centroid Distance | ho | 40.1 in | 1018.5 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 56500 in⁴ | 23517.1 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 2590 in³ | 42442 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 3080 in³ | 50472 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 17.1 in | 434.3 mm |
| Weak-Axis Inertia | Iy | 2870 in⁴ | 1194.6 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 340 in³ | 5572 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 542 in³ | 8882 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 3.86 in | 98 mm |
| Torsional Constant | J | 589 in⁴ | 245160 ×10³ mm⁴ |
| Warping Constant | Cw | 1810029 in⁶ | 308816.2 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 4.71 in | 119.6 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
11550 kip-ft
15671.6 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
2319.1 kips
10323.6 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
2.39
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
18.5
✓ Compact Web (λw ≤ 90.5)