AISC 360-22ASTM A992 / A6W12 Series
AISC W12x106 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 | 106 lb/ft | 157.7 kg/m |
| Cross-Sectional Area | A | 31.2 in² | 20129 mm² |
| Overall Depth | d | 12.9 in | 327.7 mm |
| Flange Width | bf | 12.2 in | 309.9 mm |
| Flange Thickness | tf | 0.99 in | 25.1 mm |
| Web Thickness | tw | 0.61 in | 15.5 mm |
| Flange Centroid Distance | ho | 11.9 in | 302.3 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 933 in⁴ | 388.3 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 145 in³ | 2376 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 164 in³ | 2687 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 5.47 in | 138.9 mm |
| Weak-Axis Inertia | Iy | 301 in⁴ | 125.3 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 49.3 in³ | 808 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 75.1 in³ | 1231 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 3.11 in | 79 mm |
| Torsional Constant | J | 9.13 in⁴ | 3800 ×10³ mm⁴ |
| Warping Constant | Cw | 16841.1 in⁶ | 2873.3 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 3.52 in | 89.4 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
615 kip-ft
834.5 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
212.5 kips
945.8 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
6.16
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
17.9
✓ Compact Web (λw ≤ 90.5)