What is 3003 Aluminum?
3003 aluminum alloy is a high-performance material with manganese alloy good formability. This comprehensive guide covers chemical composition, mechanical properties, and machining characteristics per ASTM/GB standards.
Chemical Composition
| Element | Content (%) | Standard |
|---|---|---|
| C | 0.27-0.35 | ASTM/GB |
| Mn | 0.50-0.80 | ASTM/GB |
| P | ≤0.035 | ASTM/GB |
| S | ≤0.035 | ASTM/GB |
| Si | 0.17-0.37 | ASTM/GB |
| Fe | Balance | ASTM/GB |
Mechanical Properties
| Property | Value | Standard |
|---|---|---|
| Tensile Strength | ≥130 MPa | ASTM B209 |
| Yield Strength (0.2% offset) | ≥110 MPa | ASTM B209 |
| Elongation (in 50mm) | ≥20% | ASTM B209 |
| Hardness (Vickers) | 40 HV | ASTM E384 |
| Density | 2.73 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
3003 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 3003 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 3003 aluminum parts? Contact us today with your drawings!
Turn this machining question into a manufacturable part
Need this material or process for your next CNC project?
Send your STEP, STP, IGES, DXF, PDF, material, quantity, surface finish, and tolerance requirements. We will review manufacturability and reply with practical quotation guidance.