AISC 360-22ASTM A992 / A6W18 Series
AISC W18x130 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 | 130 lb/ft | 193.5 kg/m |
| Cross-Sectional Area | A | 38.3 in² | 24710 mm² |
| Overall Depth | d | 19.3 in | 490.2 mm |
| Flange Width | bf | 11.2 in | 284.5 mm |
| Flange Thickness | tf | 1.2 in | 30.5 mm |
| Web Thickness | tw | 0.67 in | 17 mm |
| Flange Centroid Distance | ho | 18.1 in | 459.7 mm |
Bending & Buckling Properties
| Property | Symbol | Imperial (US) | Metric (SI) |
|---|---|---|---|
| Strong-Axis Inertia | Ix | 2460 in⁴ | 1023.9 ×10⁶ mm⁴ |
| Strong-Axis Elastic Modulus | Sx | 256 in³ | 4195 ×10³ mm³ |
| Strong-Axis Plastic Modulus | Zx | 290 in³ | 4752 ×10³ mm³ |
| Strong-Axis Radius of Gyration | rx | 8.03 in | 204 mm |
| Weak-Axis Inertia | Iy | 278 in⁴ | 115.7 ×10⁶ mm⁴ |
| Weak-Axis Elastic Modulus | Sy | 49.9 in³ | 818 ×10³ mm³ |
| Weak-Axis Plastic Modulus | Zy | 76.7 in³ | 1257 ×10³ mm³ |
| Weak-Axis Radius of Gyration | ry | 2.7 in | 68.6 mm |
| Torsional Constant | J | 14.5 in⁴ | 6035 ×10³ mm⁴ |
| Warping Constant | Cw | 35728.4 in⁶ | 6095.8 ×10⁹ mm⁶ |
| Effective Radius of Gyration | rts | 3.13 in | 79.5 mm |
AISC 360-22 Design Capacities (Fy = 50 ksi / 345 MPa)
Plastic Moment Capacity (φMp)
1087.5 kip-ft
1475.6 kN·m (φ = 0.90)Nominal Shear Capacity (φVn)
349.1 kips
1554.2 kN (φ = 0.90)Flange Slenderness (λf = bf / 2tf)
4.67
✓ Compact Flange (λf ≤ 9.15)Web Slenderness (λw = h / tw)
25.2
✓ Compact Web (λw ≤ 90.5)