AISC 360-22ASTM A992 / A6W12 Series
AISC W12x58 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 | 58 lb/ft | 86.3 kg/m |
| Cross-Sectional Area | A | 17 in² | 10968 mm² |
| Overall Depth | d | 12.2 in | 309.9 mm |
| Flange Width | bf | 10 in | 254 mm |
| Flange Thickness | tf | 0.64 in | 16.3 mm |
| Web Thickness | tw | 0.36 in | 9.1 mm |
| Flange Centroid Distance | ho | 11.6 in | 294.6 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 475 in⁴ | 197.7 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 78 in³ | 1278 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 86.4 in³ | 1416 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 5.28 in | 134.1 mm |
| Weak-Axis Inertia | Iy | 107 in⁴ | 44.5 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 21.4 in³ | 351 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 32.5 in³ | 533 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 2.51 in | 63.8 mm |
| Torsional Constant | J | 2.1 in⁴ | 874 ×10³ mm⁴ |
| Warping Constant | Cw | 5619 in⁶ | 958.7 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 2.81 in | 71.4 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
324 kip-ft
439.6 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
118.6 kips
527.9 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
7.81
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
30.3
✓ Compact Web (λw ≤ 90.5)