L3-1/2X2-1/2X1/4 Steel Angle — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Leg Length (leg) | 3.5 | 8.89 cm |
| Leg Thickness (t) | 0.25 | 0.64 cm |
| Area (A) | 1.45 in² | 9.4 cm² |
| Weight | 4.9 lb/ft | 7.3 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 1.81 | 0.775 | in⁴ |
| Elastic Section Modulus (S) | 0.753 | 0.41 | in³ |
| Plastic Section Modulus (Z) | 1.36 | 0.728 | in³ |
| Radius of Gyration (r) | 1.12 | 0.731 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 0.032 | in⁴ |
| Warping Constant (Cw) | 0.022 | 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 L3-1/2X2-1/2X1/4 angle? 4.9 lb/ft (7.3 kg/m).
What is the section modulus of L3-1/2X2-1/2X1/4? Sx = 0.753 in³, Zx = 1.36 in³ (strong axis). Sy = 0.41 in³, Zy = 0.728 in³ (weak axis).
What steel grade is standard for L3-1/2X2-1/2X1/4? ASTM A36 (Fy = 36 ksi) for angles. Verify with mill certificate.
What is the moment of inertia of L3-1/2X2-1/2X1/4? Ix = 1.81 in⁴ about the strong axis and Iy = 0.775 in⁴ about the weak axis. The radius of gyration is rx = 1.12 in and ry = 0.731 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.