L12X12X1-1/4 Steel Angle — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Leg Length (leg) | 12 | 30.48 cm |
| Leg Thickness (t) | 1.25 | 3.17 cm |
| Area (A) | 28.4 in² | 183.2 cm² |
| Weight | 96.4 lb/ft | 143.5 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 381 | 381 | in⁴ |
| Elastic Section Modulus (S) | 44.6 | 44.6 | in³ |
| Plastic Section Modulus (Z) | 80.7 | 80.7 | in³ |
| Radius of Gyration (r) | 3.66 | 3.66 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 14.9 | in⁴ |
| Warping Constant (Cw) | 160 | 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 L12X12X1-1/4 angle? 96.4 lb/ft (143.5 kg/m).
What is the section modulus of L12X12X1-1/4? Sx = 44.6 in³, Zx = 80.7 in³ (strong axis). Sy = 44.6 in³, Zy = 80.7 in³ (weak axis).
What steel grade is standard for L12X12X1-1/4? ASTM A36 (Fy = 36 ksi) for angles. Verify with mill certificate.
What is the moment of inertia of L12X12X1-1/4? Ix = 381 in⁴ about the strong axis and Iy = 381 in⁴ about the weak axis. The radius of gyration is rx = 3.66 in and ry = 3.66 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.