AISC 360-22ASTM A992 / A6W30 Series
AISC W30x90 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 | 90 lb/ft | 133.9 kg/m |
| Cross-Sectional Area | A | 26.3 in² | 16968 mm² |
| Overall Depth | d | 29.5 in | 749.3 mm |
| Flange Width | bf | 10.4 in | 264.2 mm |
| Flange Thickness | tf | 0.61 in | 15.5 mm |
| Web Thickness | tw | 0.47 in | 11.9 mm |
| Flange Centroid Distance | ho | 28.9 in | 734.1 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 3610 in⁴ | 1502.6 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 245 in³ | 4015 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 283 in³ | 4638 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 11.7 in | 297.2 mm |
| Weak-Axis Inertia | Iy | 115 in⁴ | 47.9 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 22.1 in³ | 362 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 34.7 in³ | 569 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 2.09 in | 53.1 mm |
| Torsional Constant | J | 2.84 in⁴ | 1182 ×10³ mm⁴ |
| Warping Constant | Cw | 37774.5 in⁶ | 6444.9 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 2.6 in | 66 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
1061.3 kip-ft
1440 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
374.4 kips
1666.5 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
8.52
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
60.2
✓ Compact Web (λw ≤ 90.5)