AISC 360-22ASTM A992 / A6W12 Series
AISC W12x22 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 | 22 lb/ft | 32.7 kg/m |
| Cross-Sectional Area | A | 6.48 in² | 4181 mm² |
| Overall Depth | d | 12.3 in | 312.4 mm |
| Flange Width | bf | 4.03 in | 102.4 mm |
| Flange Thickness | tf | 0.425 in | 10.8 mm |
| Web Thickness | tw | 0.26 in | 6.6 mm |
| Flange Centroid Distance | ho | 11.9 in | 302.3 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 156 in⁴ | 64.9 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 25.4 in³ | 416 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 29.3 in³ | 480 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 4.91 in | 124.7 mm |
| Weak-Axis Inertia | Iy | 4.7 in⁴ | 1.9 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 2.3 in³ | 38 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 3.7 in³ | 60 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 0.85 in | 21.5 mm |
| Torsional Constant | J | 0.293 in⁴ | 122 ×10³ mm⁴ |
| Warping Constant | Cw | 258.1 in⁶ | 44 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 1.04 in | 26.4 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
109.9 kip-ft
149.1 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
86.3 kips
384.4 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
4.74
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
44
✓ Compact Web (λw ≤ 90.5)