What is 2A12 Aluminum?
2A12 aluminum alloy is a high-performance material with chinese aircraft aluminum. This comprehensive guide covers chemical composition, mechanical properties, and machining characteristics per ASTM/GB standards.
Chemical Composition
| Element | Content (%) | Standard |
|---|---|---|
| Al | Balance | ASTM/GB |
| Cu | 3.8-4.9 | ASTM/GB |
| Mg | 1.2-1.8 | ASTM/GB |
| Mn | 0.30-0.9 | ASTM/GB |
| Fe | ≤0.50 | ASTM/GB |
| Si | ≤0.50 | ASTM/GB |
Mechanical Properties
| Property | Value | Standard |
|---|---|---|
| Tensile Strength | ≥470 MPa | ASTM B209 |
| Yield Strength (0.2% offset) | ≥325 MPa | ASTM B209 |
| Elongation (in 50mm) | ≥12% | ASTM B209 |
| Hardness (Vickers) | 120 HV | ASTM E384 |
| Density | 2.78 g/cm³ | At 20°C |
Key Features
- Excellent strength-to-weight ratio
- Good corrosion resistance
- Excellent machinability
- Widely used in aerospace and automotive
- Heat treatable for enhanced properties
Common Applications
- CNC machined aerospace components
- Automotive parts and structures
- Marine equipment
- Industrial machinery
- Consumer electronics
Machinability & CNC Processing
2A12 aluminum has excellent machinability. Recommended: Carbide tools, cutting speed 200-500 m/min, feed 0.1-0.4 mm/rev, air blast or mist coolant.
Why Choose Us for 2A12 Parts?
At CNC Machining Factory, we specialize in precision aluminum machining:
- ✅ Material expertise with ASTM/GB standards
- ✅ Advanced 3/4/5-axis CNC equipment
- ✅ ISO 9001 certified quality control
- ✅ Fast turnaround: 3-5 days prototype
- ✅ Competitive factory pricing
Need a quote for 2A12 aluminum parts? Contact us today with your drawings!
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