AISC 360-22ASTM A992 / A6W30 Series
AISC W30x124 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 | 124 lb/ft | 184.5 kg/m |
| Cross-Sectional Area | A | 36.5 in² | 23548 mm² |
| Overall Depth | d | 30.2 in | 767.1 mm |
| Flange Width | bf | 10.5 in | 266.7 mm |
| Flange Thickness | tf | 0.93 in | 23.6 mm |
| Web Thickness | tw | 0.585 in | 14.9 mm |
| Flange Centroid Distance | ho | 29.3 in | 744.2 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 5360 in⁴ | 2231 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 355 in³ | 5817 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 408 in³ | 6686 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 12.1 in | 307.3 mm |
| Weak-Axis Inertia | Iy | 181 in⁴ | 75.3 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 34.4 in³ | 564 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 54 in³ | 885 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 2.23 in | 56.6 mm |
| Torsional Constant | J | 7.99 in⁴ | 3326 ×10³ mm⁴ |
| Warping Constant | Cw | 60754 in⁶ | 10365.5 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 2.73 in | 69.3 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
1530 kip-ft
2076 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
477 kips
2123.5 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
5.65
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
48.4
✓ Compact Web (λw ≤ 90.5)