L4X4X1/2 Steel Angle — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Leg Length (leg) | 4 | 10.16 cm |
| Leg Thickness (t) | 0.5 | 1.27 cm |
| Area (A) | 3.75 in² | 24.2 cm² |
| Weight | 12.8 lb/ft | 19.0 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 5.52 | 5.52 | in⁴ |
| Elastic Section Modulus (S) | 1.96 | 1.96 | in³ |
| Plastic Section Modulus (Z) | 3.5 | 3.5 | in³ |
| Radius of Gyration (r) | 1.21 | 1.21 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.322 | in⁴ |
| Warping Constant (Cw) | 0.366 | in⁶ |
Design Resources
- Section Properties Database — Compare with other sections
- Steel Angles Reference — Full angle dimension table
- Steel Grades Reference — Material properties
Frequently Asked Questions
What is the weight of a L4X4X1/2 angle? 12.8 lb/ft (19.0 kg/m).
What is the section modulus of L4X4X1/2? Sx = 1.96 in³, Zx = 3.5 in³ (strong axis). Sy = 1.96 in³, Zy = 3.5 in³ (weak axis).
What steel grade is standard for L4X4X1/2? ASTM A36 (Fy = 36 ksi) for angles. Verify with mill certificate.
What is the moment of inertia of L4X4X1/2? Ix = 5.52 in⁴ about the strong axis and Iy = 5.52 in⁴ about the weak axis. The radius of gyration is rx = 1.21 in and ry = 1.21 in.
Related Pages
Educational reference only. Verify all section properties against the current AISC Manual and mill certificates before design. Results are PRELIMINARY — NOT FOR CONSTRUCTION.