Steel Beam Sizes / AISC / Angles / L12x12x1-1/8
L12x12x1-1/8 Steel Beam Dimensions and Properties
AISC Angles · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L12x12x1-1/8 dimensions
Not to scale. Dimensions shown for reference.
Section properties
Symbols match the steel section finder. Imperial and metric values are shown side by side.
| Property | Imperial | Metric |
|---|---|---|
| Weight | 87.20 lb/ft | 130.00 kg/m |
| Width | 12.00 in | 305.00 mm |
| Height | 12.00 in | 305.00 mm |
| t | 1.130 in | 28.700 mm |
| Area | 25.80 in² | 16,600.00 mm² |
| Ix | 350.00 in⁴ | 146,000,000 mm⁴ |
| Iy | 350.00 in⁴ | 146,000,000 mm⁴ |
| Sx | 40.70 in³ | 667,000.00 mm³ |
| Sy | 40.70 in³ | 667,000.00 mm³ |
| Zx | 73.70 in³ | 1,210,000 mm³ |
| Zy | 73.70 in³ | 1,210,000 mm³ |
| rx | 3.68 in | 93.50 mm |
| ry | 3.68 in | 93.50 mm |
| J | 11.10 in⁴ | 4,620,000 mm⁴ |
| Cw | 120.00 in⁶ | 32,200,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L12x12x1-1/8.
Lighter in L12
L12x12x1
- Weight
- 77.8 lb/ft (-11%)
- Depth
- 12.00 in (0.0%)
- Ix
- 315.0 in⁴ (-10%)
Heavier in L12
L12x12x1-1/4
- Weight
- 96.4 lb/ft (+11%)
- Depth
- 12.00 in (0.0%)
- Ix
- 381.0 in⁴ (+8.9%)
Closest Iₓ in L12
L12x12x1-3/8
- Weight
- 105.0 lb/ft (+20%)
- Depth
- 12.00 in (0.0%)
- Ix
- 413.0 in⁴ (+18%)
Similar weight in L10
L10x10x1-3/8
- Weight
- 87.1 lb/ft (-0.1%)
- Depth
- 10.00 in (-17%)
- Ix
- 231.0 in⁴ (-34%)
Source: AISC Shapes Database v16.0 · Methodology