L12X12X1-1/8 Steel Angle — Section Properties
Dimensions
| Property | Value | Unit |
|---|---|---|
| Leg Length (leg) | 12 | 30.48 cm |
| Leg Thickness (t) | 1.13 | 2.87 cm |
| Area (A) | 25.8 in² | 166.5 cm² |
| Weight | 87.2 lb/ft | 129.8 kg/m |
Elastic Section Properties
| Property | Strong Axis (X-X) | Weak Axis (Y-Y) | Unit |
|---|---|---|---|
| Moment of Inertia (I) | 350 | 350 | in⁴ |
| Elastic Section Modulus (S) | 40.7 | 40.7 | in³ |
| Plastic Section Modulus (Z) | 73.7 | 73.7 | in³ |
| Radius of Gyration (r) | 3.68 | 3.68 | in |
Torsional Properties
| Property | Value | Unit |
|---|---|---|
| Torsional Constant (J) | 11.1 | in⁴ |
| Warping Constant (Cw) | 120 | 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 L12X12X1-1/8 angle? 87.2 lb/ft (129.8 kg/m).
What is the section modulus of L12X12X1-1/8? Sx = 40.7 in³, Zx = 73.7 in³ (strong axis). Sy = 40.7 in³, Zy = 73.7 in³ (weak axis).
What steel grade is standard for L12X12X1-1/8? ASTM A36 (Fy = 36 ksi) for angles. Verify with mill certificate.
What is the moment of inertia of L12X12X1-1/8? Ix = 350 in⁴ about the strong axis and Iy = 350 in⁴ about the weak axis. The radius of gyration is rx = 3.68 in and ry = 3.68 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.