AISC 360-22ASTM A992 / A6W16 Series
AISC W16x57 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 | 57 lb/ft | 84.8 kg/m |
| Cross-Sectional Area | A | 16.8 in² | 10839 mm² |
| Overall Depth | d | 16.4 in | 416.6 mm |
| Flange Width | bf | 7.12 in | 180.8 mm |
| Flange Thickness | tf | 0.715 in | 18.2 mm |
| Web Thickness | tw | 0.43 in | 10.9 mm |
| Flange Centroid Distance | ho | 15.7 in | 398.8 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 758 in⁴ | 315.5 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 92.2 in³ | 1511 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 105 in³ | 1721 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 6.72 in | 170.7 mm |
| Weak-Axis Inertia | Iy | 43.1 in⁴ | 17.9 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 12.1 in³ | 198 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 18.9 in³ | 310 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 1.6 in | 40.6 mm |
| Torsional Constant | J | 2.22 in⁴ | 924 ×10³ mm⁴ |
| Warping Constant | Cw | 4186.7 in⁶ | 714.3 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 1.92 in | 48.8 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
393.8 kip-ft
534.3 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
190.4 kips
847.6 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
4.98
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
34.8
✓ Compact Web (λw ≤ 90.5)