AISC 360-22ASTM A992 / A6W33 Series
AISC W33x387 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 | 387 lb/ft | 575.9 kg/m |
| Cross-Sectional Area | A | 114 in² | 73548 mm² |
| Overall Depth | d | 36 in | 914.4 mm |
| Flange Width | bf | 16.2 in | 411.5 mm |
| Flange Thickness | tf | 2.28 in | 57.9 mm |
| Web Thickness | tw | 1.26 in | 32 mm |
| Flange Centroid Distance | ho | 33.7 in | 856 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 24300 in⁴ | 10114.4 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 1350 in³ | 22123 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 1560 in³ | 25564 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 14.6 in | 370.8 mm |
| Weak-Axis Inertia | Iy | 1620 in⁴ | 674.3 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 200 in³ | 3277 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 312 in³ | 5113 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 3.77 in | 95.8 mm |
| Torsional Constant | J | 148 in⁴ | 61602 ×10³ mm⁴ |
| Warping Constant | Cw | 722437.6 in⁶ | 123258 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 4.49 in | 114 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
5850 kip-ft
7937.6 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
1224.7 kips
5452 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
3.55
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
25
✓ Compact Web (λw ≤ 90.5)