AISC 360-22ASTM A992 / A6W21 Series
AISC W21x147 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 | 147 lb/ft | 218.8 kg/m |
| Cross-Sectional Area | A | 43.2 in² | 27871 mm² |
| Overall Depth | d | 22.1 in | 561.3 mm |
| Flange Width | bf | 12.5 in | 317.5 mm |
| Flange Thickness | tf | 1.15 in | 29.2 mm |
| Web Thickness | tw | 0.72 in | 18.3 mm |
| Flange Centroid Distance | ho | 21 in | 533.4 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 3630 in⁴ | 1510.9 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 329 in³ | 5391 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 373 in³ | 6112 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 9.17 in | 232.9 mm |
| Weak-Axis Inertia | Iy | 376 in⁴ | 156.5 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 60.1 in³ | 985 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 92.6 in³ | 1517 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 2.95 in | 74.9 mm |
| Torsional Constant | J | 15.4 in⁴ | 6410 ×10³ mm⁴ |
| Warping Constant | Cw | 64688.9 in⁶ | 11036.8 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 3.46 in | 87.9 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
1398.8 kip-ft
1897.9 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
429.6 kips
1912.5 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
5.43
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
27.5
✓ Compact Web (λw ≤ 90.5)