AISC 360-22ASTM A992 / A6W12 Series
AISC W12x336 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 | 336 lb/ft | 500 kg/m |
| Cross-Sectional Area | A | 98.9 in² | 63806 mm² |
| Overall Depth | d | 16.8 in | 426.7 mm |
| Flange Width | bf | 13.4 in | 340.4 mm |
| Flange Thickness | tf | 2.96 in | 75.2 mm |
| Web Thickness | tw | 1.78 in | 45.2 mm |
| Flange Centroid Distance | ho | 13.8 in | 350.5 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 4060 in⁴ | 1689.9 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 483 in³ | 7915 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 603 in³ | 9881 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 6.41 in | 162.8 mm |
| Weak-Axis Inertia | Iy | 1190 in⁴ | 495.3 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 177 in³ | 2901 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 274 in³ | 4490 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 3.47 in | 88.1 mm |
| Torsional Constant | J | 243 in⁴ | 101144 ×10³ mm⁴ |
| Warping Constant | Cw | 89714.5 in⁶ | 15306.5 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 4.13 in | 104.9 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
2261.3 kip-ft
3068.2 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
807.4 kips
3594.3 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
2.26
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
6.1
✓ Compact Web (λw ≤ 90.5)