W36X135 Steel Beam — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Depth (d) | 35.60 | in (904.2 mm) |
| Flange Width (bf) | 12 | in (304.8 mm) |
| Flange Thickness (tf) | 0.79 | in |
| Web Thickness (tw) | 0.60 | in |
| Area (A) | 39.90 | in² (257.4 cm²) |
| Weight | 135 | lb/ft (201 kg/m) |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 7,800 | 225 | in⁴ |
| Elastic Section Modulus (S) | 439 | 37.70 | in³ |
| Plastic Section Modulus (Z) | 509 | 59.70 | in³ |
| Radius of Gyration (r) | 14 | 2.38 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 7 | in⁴ |
| Warping Constant (Cw) | 68,100 | in⁶ |
| Distance Between Flange Centroids (ho) | 34.80 | in |
| Effective Radius (rts) | 2.99 | in |
Design Resources
- Beam Capacity Calculator — Check W36X135 for your span and loads
- Column Capacity Calculator — Check W36X135 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 W36X135 beam? 135 lb/ft (201 kg/m). A 40-ft length weighs approximately 5,400 lbs.
What is the section modulus of W36X135? Sx = 439 in³ (strong axis) and Sy = 37.7 in³ (weak axis). The plastic section modulus Zx = 509 in³ and Zy = 59.7 in³.
What steel grade is standard for W36X135? 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 W36X135? Ix = 7800 in⁴ about the strong axis and Iy = 225 in⁴ about the weak axis. The radius of gyration is rx = 14 in and ry = 2.38 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.