2024 Aluminum (O & T3 Temper)
Shapes Available
- Round Bar
- Precision Ground Bar
- Cold Finished Bar
- Cut-to-Length Pieces
Industries Served
Material
- Aluminum Alloy (Copper Alloyed – High Strength)
Specifications
- AMS 4120 (2024-O)
- AMS 4121 / AMS 4122 (2024-T3)
- ASTM B211 (Bar & Rod)
- ASTM B221 (Extruded Bar)
- UNS A92024
What Is 2024 Aluminum?
2024 aluminum is a high-strength aluminum alloy primarily used in aerospace and structural applications.
It is known for:
- Excellent strength-to-weight ratio
- Good fatigue resistance
- Superior performance in high-stress environments
2024-O vs 2024-T3 Temper
2024-O (Annealed)
- Soft and highly formable
- Easier to bend and shape
- Lower strength
2024-T3 (Heat Treated & Cold Worked)
- Significantly higher strength
- Improved fatigue resistance
- Standard temper for aerospace applications
👉 T3 is the most commonly used temper for structural components
Key Features of 2024 Aluminum
- High strength (stronger than many aluminum alloys)
- Excellent fatigue resistance
- Lightweight compared to steel
- Good machinability
- Common in aerospace-grade applications
⚠️ Note: Corrosion resistance is lower than alloys like 6061, often requiring coating or cladding.
2024 Aluminum Applications
2024 aluminum round bar is commonly used in:
- Aerospace structural components
- Aircraft fittings and parts
- Shafts and fasteners
- Precision machined components
- Defense applications
Processing Capabilities
At Mozaic Precision Metals, we provide:
- Centerless grinding
- Tight tolerance sizing
- Straightened bar
- Precision cut-to-length
Certifications & Compliance
Available with:
- Mill Test Reports (MTRs)
- Full heat traceability
- DFARS-compliant sourcing (upon request)
2024 Aluminum Properties
Mechanical Properties (Typical)
| Property | 2024-O | 2024-T3 |
|---|---|---|
| Yield Strength | ~10–11 ksi | ~42 ksi |
| Tensile Strength | ~27 ksi | ~62 ksi |
| Elongation | ~20% | ~10–15% |
Chemical Composition
| Element | % |
|---|---|
| Copper (Cu) | 3.8 – 4.9 |
| Magnesium (Mg) | 1.2 – 1.8 |
| Manganese (Mn) | 0.3 – 0.9 |
| Iron (Fe) | ≤ 0.5 |
| Silicon (Si) | ≤ 0.5 |
| Aluminum (Al) | Balance |
Why Choose Mozaic Precision Metals
- Precision ground aluminum bar specialists
- Tight tolerance capabilities
- Fast turnaround times
- Experience with aerospace-grade materials
- Reliable sourcing for production and prototyping