W16X89 Steel Beam — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 16.80 | in (426.7 mm) |
| Flange Width (bf) | 10.40 | in (264.2 mm) |
| Flange Thickness (tf) | 0.88 | in |
| Web Thickness (tw) | 0.53 | in |
| Area (A) | 26.20 | in² (169.0 cm²) |
| Weight | 89 | lb/ft (132 kg/m) |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 1,300 | 163 | in⁴ |
| Elastic Section Modulus (S) | 155 | 31.40 | in³ |
| Plastic Section Modulus (Z) | 175 | 48.10 | in³ |
| Radius of Gyration (r) | 7.05 | 2.49 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 5.45 | in⁴ |
| Warping Constant (Cw) | 10,200 | in⁶ |
| Distance Between Flange Centroids (ho) | 15.90 | in |
| Effective Radius (rts) | 2.88 | in |
Design Resources
- Beam Capacity Calculator — Check W16X89 for your span and loads
- Column Capacity Calculator — Check W16X89 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 W16X89 beam? 89 lb/ft (132 kg/m). A 40-ft length weighs approximately 3,560 lbs.
What is the section modulus of W16X89? Sx = 155 in³ (strong axis) and Sy = 31.4 in³ (weak axis). The plastic section modulus Zx = 175 in³ and Zy = 48.1 in³.
What steel grade is standard for W16X89? 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 W16X89? Ix = 1300 in⁴ about the strong axis and Iy = 163 in⁴ about the weak axis. The radius of gyration is rx = 7.05 in and ry = 2.49 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.