3003 Aluminum Circle Disc
Precision-cut circular blanks from 3003 Al-Mn alloy. The perfect balance of deep drawing performance, corrosion resistance, and cost-effectiveness.
28-35%
Elongation
Ra≤0.4
Surface μm
193
W/(m·K)
200-220mm
Single Draw Depth
1.0-1.5%
Manganese Content
40%
Faster Heat Transfer
20-30%
Cost Savings
5 Core Advantages
Discover why leading manufacturers worldwide trust 3003 aluminum discs
Best Deep Drawing Performance
O-temper elongation of 28-35% — real workshop data, not just theory.
28-35%
Elongation Rate
200mm+
Draw Depth
50-70%
Less Rejects
Excellent Corrosion Resistance
- 1.0-1.5% Mn forms dense oxide layer
- Withstands kitchen fumes & humidity
- Ideal for coastal installations
Premium Surface Quality
- DC material Ra ≤ 0.4μm
- Zero orange peel after deep draw
- Excellent coating adhesion
Superior Thermal Conductivity
- O-temper: 193 W/(m·K)
- 40% faster than 430 stainless
- 12-15% energy savings
Best Cost-Performance Ratio
- 20-30% cheaper than 5052/6061
- Minimal die wear, longer life
- Lowest total production cost
Technical Specifications
Compliant with ASTM B209 / EN 573 / GB/T 3880-2024
Mechanical Properties
Chemical Composition
Manganese
Core element for strength
20-1500mm
Diameter Range
Popular: 200-800mm
0.4-6.0mm
Thickness Range
Standard: 1.0-3.0mm
±0.2mm
Tolerance
Precision trimmed
Ra≤0.4μm
Surface Quality
Mirror available
Surface Treatments & Material Selection
We provide customized dimensions and processing services tailored to your manufacturing requirements.
Surface Treatments
DC Material
Hot-Rolled Direct Chill. Best surface, zero orange peel. Specified by 90% brand factories.
CC Material
Continuous Cast. Cost-effective for lamp shades, road signs, industrial parts.
Witness the Precision
See how our 3003 aluminum discs are manufactured.a real factory production video from Worthwill Aluminum.
Automated Blanking
High-speed precision cutting
Quality Testing
Real-time thickness & surface checks
Deep Drawing Test
O-temper elongation verification
6
Production Lines
24/7
Quality Monitoring
99.5%
Pass Rate
Main Applications
Trusted by manufacturers across cookware, lighting, and industrial sectors
Cookware
- Non-stick frying pans & woks
- Pressure cooker bases
- Stock pots & pizza pans
Lighting
- LED reflectors (86-92% reflectivity)
- Lamp shades & housings
- Street lamp fixtures
Industrial
- Traffic signs
- Heat exchangers
- Spinning components
3003 vs Other Alloys
See how 3003 aluminum compares to alternatives
| Alloy | Deep Drawing | Strength | Corrosion | Price | Best For |
|---|---|---|---|---|---|
| 3003 | ★★★★★ | ★★★☆☆ | ★★★★☆ | $ | Cookware, Lamp Shades |
| 1100 | ★★★★☆ | ★☆☆☆☆ | ★★★☆☆ | $ | Shallow drawing, Utensils |
| 5052 | ★★★☆☆ | ★★★★☆ | ★★★★★ | $$$ | Marine, High-strength |
| 6061 | ★★☆☆☆ | ★★★★★ | ★★★★☆ | $$$$ | Structural components |
Quality Certifications
Frequently Asked Questions
Why Choose Us?
We don't just sell aluminum — we provide complete production solutions.
Precision Manufacturing
Diameter tolerance ±0.2mm, clean burr-free edges for smooth automated line operation.
Free Samples
A4 size or specific diameter samples available for your trial production.
Export-Standard Packaging
Desiccant + plastic film + wooden pallet packaging prevents moisture and oxidation.
Ready to Get Started?
Contact us today for the latest 3003 aluminum disc pricing and free samples!
