W18X119 Steel Beam — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 19 | in (482.6 mm) |
| Flange Width (bf) | 11.30 | in (287.0 mm) |
| Flange Thickness (tf) | 1.06 | in |
| Web Thickness (tw) | 0.66 | in |
| Area (A) | 35.10 | in² (226.5 cm²) |
| Weight | 119 | lb/ft (177 kg/m) |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 2,190 | 253 | in⁴ |
| Elastic Section Modulus (S) | 231 | 44.90 | in³ |
| Plastic Section Modulus (Z) | 262 | 69.10 | in³ |
| Radius of Gyration (r) | 7.90 | 2.69 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 10.60 | in⁴ |
| Warping Constant (Cw) | 20,300 | in⁶ |
| Distance Between Flange Centroids (ho) | 17.90 | in |
| Effective Radius (rts) | 3.13 | in |
Design Resources
- Beam Capacity Calculator — Check W18X119 for your span and loads
- Column Capacity Calculator — Check W18X119 as a column
- Section Properties Database — Compare with other sections
- Steel Beam Sizes Reference — Full W-shape dimension table
- Steel Grades Reference — A992/A572 material properties
Frequently Asked Questions
What is the weight of a W18X119 beam? 119 lb/ft (177 kg/m). A 40-ft length weighs approximately 4,760 lbs.
What is the section modulus of W18X119? Sx = 231 in³ (strong axis) and Sy = 44.9 in³ (weak axis). The plastic section modulus Zx = 262 in³ and Zy = 69.1 in³.
What steel grade is standard for W18X119? Typically ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) for W-shapes. Also available in A572 Grade 50 or A36. Verify with mill certificate.
What is the moment of inertia of W18X119? Ix = 2190 in⁴ about the strong axis and Iy = 253 in⁴ about the weak axis. The radius of gyration is rx = 7.90 in and ry = 2.69 in.
Related Pages
- Steel Beam Sizes Reference
- Beam Capacity Calculator
- Column Capacity Calculator
- Section Properties Database
Educational reference only. Verify all section properties against the current AISC Manual and mill certificates before design. Results are PRELIMINARY — NOT FOR CONSTRUCTION.