AISC 360-22ASTM A992 / A6W12 Series
AISC W12x65 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 | 65 lb/ft | 96.7 kg/m |
| Cross-Sectional Area | A | 19.1 in² | 12323 mm² |
| Overall Depth | d | 12.1 in | 307.3 mm |
| Flange Width | bf | 12 in | 304.8 mm |
| Flange Thickness | tf | 0.605 in | 15.4 mm |
| Web Thickness | tw | 0.39 in | 9.9 mm |
| Flange Centroid Distance | ho | 11.5 in | 292.1 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 533 in⁴ | 221.9 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 87.9 in³ | 1440 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 96.8 in³ | 1586 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 5.28 in | 134.1 mm |
| Weak-Axis Inertia | Iy | 174 in⁴ | 72.4 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 29.1 in³ | 477 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 44.1 in³ | 723 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 3.02 in | 76.7 mm |
| Torsional Constant | J | 2.18 in⁴ | 907 ×10³ mm⁴ |
| Warping Constant | Cw | 9097.4 in⁶ | 1552.1 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 3.38 in | 85.9 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
363 kip-ft
492.5 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
127.4 kips
567.2 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
9.92
Non-compact FlangeWeb Slenderness (λw = h / tw)
27.9
✓ Compact Web (λw ≤ 90.5)