W5X19 Steel Beam — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 5.15 | in (130.8 mm) |
| Flange Width (bf) | 5.03 | in (127.8 mm) |
| Flange Thickness (tf) | 0.43 | in |
| Web Thickness (tw) | 0.27 | in |
| Area (A) | 5.56 | in² (35.9 cm²) |
| Weight | 19 | lb/ft (28 kg/m) |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 26.30 | 9.13 | in⁴ |
| Elastic Section Modulus (S) | 10.20 | 3.63 | in³ |
| Plastic Section Modulus (Z) | 11.60 | 5.53 | in³ |
| Radius of Gyration (r) | 2.17 | 1.28 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.32 | in⁴ |
| Warping Constant (Cw) | 50.90 | in⁶ |
| Distance Between Flange Centroids (ho) | 4.72 | in |
| Effective Radius (rts) | 1.45 | in |
Design Resources
- Beam Capacity Calculator — Check W5X19 for your span and loads
- Column Capacity Calculator — Check W5X19 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 W5X19 beam? 19 lb/ft (28 kg/m). A 40-ft length weighs approximately 760 lbs.
What is the section modulus of W5X19? Sx = 10.2 in³ (strong axis) and Sy = 3.6 in³ (weak axis). The plastic section modulus Zx = 11.6 in³ and Zy = 5.5 in³.
What steel grade is standard for W5X19? 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 W5X19? Ix = 26.3 in⁴ about the strong axis and Iy = 9.1 in⁴ about the weak axis. The radius of gyration is rx = 2.17 in and ry = 1.28 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.