AISC 360-22ASTM A992 / A6W18 Series
AISC W18x97 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 | 97 lb/ft | 144.4 kg/m |
| Cross-Sectional Area | A | 28.5 in² | 18387 mm² |
| Overall Depth | d | 18.6 in | 472.4 mm |
| Flange Width | bf | 11.1 in | 281.9 mm |
| Flange Thickness | tf | 0.87 in | 22.1 mm |
| Web Thickness | tw | 0.535 in | 13.6 mm |
| Flange Centroid Distance | ho | 17.7 in | 449.6 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 1750 in⁴ | 728.4 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 188 in³ | 3081 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 211 in³ | 3458 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 7.82 in | 198.6 mm |
| Weak-Axis Inertia | Iy | 201 in⁴ | 83.7 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 36.1 in³ | 592 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 55.3 in³ | 906 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 2.65 in | 67.3 mm |
| Torsional Constant | J | 5.86 in⁴ | 2439 ×10³ mm⁴ |
| Warping Constant | Cw | 24868.2 in⁶ | 4242.9 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 3.08 in | 78.2 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
791.3 kip-ft
1073.6 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
268.7 kips
1196 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
6.38
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
31.5
✓ Compact Web (λw ≤ 90.5)