W14X550 Steel Beam — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 20.20 | in (513.1 mm) |
| Flange Width (bf) | 17.20 | in (436.9 mm) |
| Flange Thickness (tf) | 3.82 | in |
| Web Thickness (tw) | 2.38 | in |
| Area (A) | 162 | in² (1045.2 cm²) |
| Weight | 550 | lb/ft (818 kg/m) |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 9,430 | 3,250 | in⁴ |
| Elastic Section Modulus (S) | 931 | 378 | in³ |
| Plastic Section Modulus (Z) | 1,180 | 583 | in³ |
| Radius of Gyration (r) | 7.63 | 4.49 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 669 | in⁴ |
| Warping Constant (Cw) | 219,000 | in⁶ |
| Distance Between Flange Centroids (ho) | 16.40 | in |
| Effective Radius (rts) | 5.35 | in |
Design Resources
- Beam Capacity Calculator — Check W14X550 for your span and loads
- Column Capacity Calculator — Check W14X550 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 W14X550 beam? 550 lb/ft (818 kg/m). A 40-ft length weighs approximately 22,000 lbs.
What is the section modulus of W14X550? Sx = 931 in³ (strong axis) and Sy = 378 in³ (weak axis). The plastic section modulus Zx = 1180 in³ and Zy = 583 in³.
What steel grade is standard for W14X550? 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 W14X550? Ix = 9430 in⁴ about the strong axis and Iy = 3250 in⁴ about the weak axis. The radius of gyration is rx = 7.63 in and ry = 4.49 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.