AISC 360-22ASTM A992 / A6W12 Series
AISC W12x26 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 | 26 lb/ft | 38.7 kg/m |
| Cross-Sectional Area | A | 7.65 in² | 4935 mm² |
| Overall Depth | d | 12.2 in | 309.9 mm |
| Flange Width | bf | 6.49 in | 164.8 mm |
| Flange Thickness | tf | 0.38 in | 9.7 mm |
| Web Thickness | tw | 0.23 in | 5.8 mm |
| Flange Centroid Distance | ho | 11.8 in | 299.7 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 204 in⁴ | 84.9 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 33.4 in³ | 547 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 37.2 in³ | 610 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 5.17 in | 131.3 mm |
| Weak-Axis Inertia | Iy | 17.3 in⁴ | 7.2 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 5.3 in³ | 88 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 8.2 in³ | 134 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 1.51 in | 38.4 mm |
| Torsional Constant | J | 0.3 in⁴ | 125 ×10³ mm⁴ |
| Warping Constant | Cw | 955.4 in⁶ | 163 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 1.75 in | 44.4 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
139.5 kip-ft
189.3 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
75.8 kips
337.3 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
8.54
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
49.7
✓ Compact Web (λw ≤ 90.5)