AISC 360-22ASTM A992 / A6W30 Series
AISC W30x191 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 | 191 lb/ft | 284.2 kg/m |
| Cross-Sectional Area | A | 56.1 in² | 36193 mm² |
| Overall Depth | d | 30.7 in | 779.8 mm |
| Flange Width | bf | 15 in | 381 mm |
| Flange Thickness | tf | 1.19 in | 30.2 mm |
| Web Thickness | tw | 0.71 in | 18 mm |
| Flange Centroid Distance | ho | 29.5 in | 749.3 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 9200 in⁴ | 3829.3 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 600 in³ | 9832 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 675 in³ | 11061 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 12.8 in | 325.1 mm |
| Weak-Axis Inertia | Iy | 673 in⁴ | 280.1 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 89.5 in³ | 1467 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 138 in³ | 2261 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 3.46 in | 87.9 mm |
| Torsional Constant | J | 21 in⁴ | 8741 ×10³ mm⁴ |
| Warping Constant | Cw | 229795 in⁶ | 39206.2 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 4.06 in | 103.1 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
2531.3 kip-ft
3434.5 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
588.5 kips
2619.9 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
6.3
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
39.9
✓ Compact Web (λw ≤ 90.5)