1mm Thick 3003 Aluminum Disc
The 1mm thick 3003 aluminum disc occupies a unique and significant position as a versatile, high-performance metal. This disc, with its specific thickness and alloy, perfectly balances mechanical properties, ease of fabrication, and cost-effectiveness, making it an ideal choice for a wide array of applications—from cookware and electronic components to decorative elements and industrial parts.
3003 aluminum alloy, part of the aluminum-manganese series, is renowned for its excellent formability, weldability, and corrosion resistance. When this alloy is precisely fabricated into a disc form with a 1mm thickness, it retains sufficient structural strength while offering good flexibility to meet the demands of complex forming processes. This article delves deeply into the material properties, product specifications, applications, and selection criteria for the 1mm thick 3003 aluminum disc, providing a comprehensive technical reference for design engineers, procurement specialists, and manufacturing professionals.
I. Material Science: The Superior Combination of 3003 Alloy and 1mm Thickness
I.1 Chemical Composition and Core Properties of 3003 Aluminum Alloy
3003 aluminum is one of the most commonly used and versatile alloys in the aluminum processing industry. As an aluminum-manganese series rust-proof alloy, its chemical composition is meticulously engineered: aluminum as the base (approximately 96.8%-99.0%), with 1.0%-1.5% manganese added as the primary alloying element, supplemented by trace amounts of copper and iron. The addition of manganese forms fine, dispersed strengthening phases, granting the alloy a significant boost in strength while maintaining aluminum’s inherent excellent ductility. Its core properties include:
- Excellent Formability: Particularly outstanding deep drawability, suitable for stretch-forming complex shapes.
- Good Corrosion Resistance: Naturally resistant to atmospheric and freshwater environments.
- Moderate Strength: Can be flexibly adjusted through different temper conditions.
- Excellent Thermal and Electrical Conductivity: Thermal conductivity as high as 155 W/(m·K), suitable for heat sink applications.
I.2 The 1mm Thickness: The “Golden Balance Point” in Engineering Applications
The selection of the 1mm thickness represents a thoughtful balance in engineering practice. It skillfully reconciles multiple demands:
- Balance Between Strength and Light Weight: Provides adequate structural support and rigidity while optimizing weight and material cost.
- Versatility for Forming Processes: For the vast majority of plastic forming processes like stamping, drawing, and spinning, 1mm thickness falls within the “easy to process” range, ensuring forming stability without requiring excessive equipment tonnage.
- Optimization of Function and Cost: For applications like heat dissipation, shielding, and containers, 1mm thickness typically meets both performance and cost-effectiveness requirements.
I.3 Product Specifications and Performance Parameters Overview
The table below systematically presents the core specifications and performance boundaries of the 1mm thick 3003 aluminum disc, serving as the foundation for selection and application:
| Item | Specification Range / Standard | Description & Notes |
|---|---|---|
| Standard Thickness | 1.0 mm | Core characteristic dimension |
| Thickness Tolerance | ±0.05 mm (Standard) / ±0.03 mm (Precision) / ±0.02 mm (High-Precision) | Selectable based on application accuracy requirements |
| Standard Stock Diameters | 50mm, 100mm, 200mm, 300mm, 500mm, 800mm, 1200mm, etc. | Common sizes, readily available |
| Custom Diameter Range | 5mm – 2500mm (or larger) | No mold limitations, flexible production |
| Material Tempers | O (Annealed), H12, H14, H16, H18 | O-temper is softest for deep drawing; H1x tempers offer increasing strength |
| Typical Mech. Properties (O-Temper) | Tensile Strength: 95-130 MPa; Yield Strength: 35-145 MPa; Elongation: 25-30% | Demonstrates excellent ductility |
| Typical Mech. Properties (H14 Temper) | Tensile Strength: 130-165 MPa; Yield Strength: 115-150 MPa; Elongation: 5-9% | Combines strength with some formability |
| Physical Properties | Density: 2.73 g/cm³; Thermal Conductivity: 155 W/(m·K); Electrical Conductivity: ~40% IACS | Lightweight, good thermal/electrical conductivity |
| Surface Finishes | Mill finish, Bright, Satin, Brushed, Anodized, Painted, etc. | Meets functional and decorative needs |
II. Product Forms: Standard Stock & Comprehensive Custom Services
II.1 Standard Stock Sizes: Rapid Response, Guaranteed Supply
To meet common market demands, we maintain substantial stock of 1mm thick 3003 aluminum discs in popular sizes, ensuring efficient progress for our customers’ projects.
| Stock Diameter (mm) | Thickness Tolerance (mm) | Common Tempers | Primary Application Examples | MOQ Reference |
|---|---|---|---|---|
| 50 – 100 | ±0.05 | O, H14 | EMI shielding covers, small hardware, gaskets, tag blanks | 50 kg |
| 150 – 300 | ±0.05 | O, H14, H16 | Cookware bottoms, lamp reflectors, decorative plates, instrument covers | 100 kg |
| 400 – 800 | ±0.08 | H14, H16 | Large equipment panels, filter discs, structural part blanks, container bases | 300 kg |
| 1000 and above | ±0.10 – ±0.15 | H14, H16 | Special equipment components, large architectural decorative units | Project-based |
II.2 Deep Customization Capability: Your Tailored Solution
Our core strength lies in providing comprehensive customization services, ensuring the product perfectly matches your design blueprint:
- Size Customization: Non-standard diameters, shaped blanks (rings, sectors), pre-piercing (center holes, mounting holes, pattern holes).
- Performance Customization: Precise supply of any temper from O (fully annealed) to H18 (full hard) based on downstream processing needs.
- Surface Customization: From mechanical finishes (brushed, mirror polish) to chemical treatments (anodizing with color), to high-end coatings (PVDF painting).
III. Surface Treatment Processes: Enhancing Protection and Aesthetic Value
Appropriate surface treatment significantly enhances the durability, functionality, and added value of the 1mm thick 3003 aluminum disc. The table below compares mainstream finishing processes:
| Surface Treatment Type | Process Description | Key Advantages | Typical Application Fields | Cost Index |
|---|---|---|---|---|
| Anodizing | Electrochemical process forming a thickened oxide layer, can be dyed and sealed. | Corrosion & wear resistant, electrically insulating, available in various colors. | Architectural cladding, electronic enclosures, high-end cookware, outdoor signage. | ★★★ |
| Brushing | Mechanical abrasion to create directional grain lines. | Aesthetic, hides minor scratches, enhances texture feel. | Elevator interiors, appliance panels, furniture trim, consumer electronics. | ★★ |
| Mirror Polishing | Multi-stage mechanical polishing for high brilliance. | Extremely high reflectivity, luxurious visual effect. | Lamp reflectors, high-end decor, medals, logos. | ★★★★ |
| Sandblasting | High-speed abrasive impact creates uniform matte surface. | Uniform texture, non-reflective, increases coating adhesion. | Instrument panels, equipment housings, industrial-style components. | ★★ |
| Chemical Conversion Coating | Chemical treatment forming chromate or phosphate protective film. | Improves corrosion resistance and paint adhesion, cost-effective & eco-friendly. | Used as a pre-treatment for painting, automotive parts, cabinets. | ★ |
| PVDF Coating | Spraying and baking PVDF fluorocarbon paint. | Superior weatherability, UV resistance, long-lasting color. | High-end architectural aluminum panels, long-term outdoor components. | ★★★★ |
IV. Core Application Fields & Case Studies
IV.1 Cookware & Kitchenware Manufacturing
As a core material for pots (especially multi-clad bottoms), bakeware (cake pans, pizza pans), and steam racks. The 1mm thick 3003 aluminum disc is chosen for its unparalleled deep drawability and excellent thermal conductivity, allowing for single-stroke deep drawing of pot bodies and ensuring rapid, even heat distribution.
IV.2 Electronics & Electrical Appliance Industry
Used for EMI shielding covers, heat sinks (e.g., LED substrates, power modules), appliance housings, and structural brackets. The 1mm thickness offers an ideal balance of rigidity, shielding effectiveness, and thermal dissipation, making it a key material for the miniaturization and high performance of electronic devices.
IV.3 Architectural Decoration & Interior Design
Widely used in metal ceilings, decorative wall panels, art installations, signage, etc. Through treatments like anodizing, surfaces that are durable, weather-resistant, and rich in color can be achieved, meeting the aesthetic and functional demands of modern architecture.
IV.4 Automotive & Transportation
Used for automotive interior trim panels, thermal interface spacers and covers within battery packs, and various heat dissipation components. Its lightweight property contributes to reduced energy consumption and extended range, while its good formability accommodates the complex designs of automotive parts.
V. Professional Procurement & Quality Control Guide
V.1 How to Make a Precise Inquiry?
To ensure you receive the most accurate proposal and quotation, please provide the following key information when inquiring:
- Exact Dimensions: Diameter, thickness, and specific tolerance requirements.
- Material Temper: Required hardness or temper condition (e.g., O-temper, H14).
- Surface Requirements: Type of finish, color, coating thickness, etc.
- Quantity: Sample, small batch, or large volume needs.
- End Use: Brief description of the application scenario, which helps us provide optimization suggestions.
V.2 How We Ensure Consistent Quality?
We have established a full-process quality control system from raw material to finished product. Key control points are shown in the table below:
| Quality Control Stage | Core Inspection Items | Inspection Methods & Standards | Control Objective |
|---|---|---|---|
| Incoming Material Inspection | Chemical Composition | Spectroscopic Analysis (ASTM E1251) | Ensure alloy composition precisely meets 3003 standard |
| Process Control | Thickness & Flatness | Online Thickness Gauges, Shape Control System | Guarantee thickness tolerance and flatness |
| Final Product Inspection | Mechanical Properties | Tensile Testing with Universal Testing Machine (ASTM E8) | Verify yield strength, tensile strength, elongation meet standards |
| Final Product Inspection | Dimensional Accuracy | Micrometers, Calipers, Optical Projectors | Ensure diameter, thickness, etc., conform to drawings |
| Performance Verification | Corrosion Resistance | Neutral Salt Spray Test (ASTM B117) | Verify the protection level and lifespan of surface finishes |
| Visual Inspection | Surface Quality | Visual & Instrument Inspection under Standard Light | Ensure freedom from scratches, dents, color variation, etc. |
VI. Frequently Asked Questions (FAQ)
Q1: I need to deep draw the disc into a relatively deep part. Which material temper should I choose?
A: For deep drawing operations, it is essential to choose an O-temper (Fully Annealed) 1mm thick 3003 aluminum disc. O-temper material possesses the highest ductility and plasticity, offering a large limiting drawing ratio (LDR). This minimizes the risk of cracking, tearing, or bottom breakage during the stamping process, making it the preferred choice for deep drawing.
Q2: The product will be used for outdoor signage. Which surface treatment is most durable?
A: For long-term outdoor exposure, Anodizing is the most professional and durable choice. We recommend an anodic oxide film thickness of at least 15-20 microns, coupled with effective sealing. The anodized layer is integrally bonded to the substrate, offers high hardness, is UV resistant, provides stable color, and can have a service life exceeding 20 years. PVDF coating is also an excellent alternative for high-end outdoor applications.
Q3: What are the main differences between 3003 and 5052 aluminum discs? How do I choose?
A: Both are common rust-proof aluminum alloys, but they emphasize different properties:
- 3003 Aluminum Alloy: Superior formability (especially deep drawability), good thermal/electrical conductivity, moderate strength, and typically more competitive cost. Preferred for applications requiring complex forming (e.g., cookware), good heat transfer, or where cost control is important.
- 5052 Aluminum Alloy: Higher strength and hardness, better fatigue resistance, and superior corrosion resistance in marine environments. Preferred for parts requiring higher structural strength, used in marine or coastal settings, or those subjected to significant loads.
The choice requires a comprehensive evaluation of the forming process, strength requirements, service environment, and budget.
Q4: What is your Minimum Order Quantity (MOQ)? Are there extra charges for custom sizes?
A: For standard stock specifications, the MOQ is typically 50 kg. For custom sizes, special tolerances, or surface finishes, the MOQ is assessed based on the specific process complexity, and we strive to offer flexible solutions. Pricing for custom orders is transparently calculated based on material, specific process costs, and order quantity. We do not charge unreasonable “development fees” or “mold fees.”
VII. About Henan Huawei Aluminum Co., Ltd.
Henan Huawei Aluminum Co., Ltd. is a modern, high-tech enterprise specializing in the R&D, production, and sales of aluminum processed products. Located in Henan Province, a significant aluminum industry base in China, the company is equipped with advanced production facilities and a comprehensive quality management system.
Since its establishment, we have remained focused on the manufacturing of aluminum sheets, strips, foils, and precision aluminum discs. In the field of 1mm thick 3003 aluminum discs, our strength lies in full-process production control (from casting, hot rolling, cold rolling to precision cutting), stringent in-process quality control, and a robust technical R&D team. This ensures a high degree of consistency and reliability in product dimensional accuracy, mechanical properties, and surface quality.
We not only offer a rich variety of standard stock products but also pride ourselves on our flexible customization services as a core advantage. We can quickly respond to diverse customer needs, from samples to large-volume orders, and are committed to becoming a trusted partner for aluminum material solutions for global clients. Our products are exported to numerous countries and regions worldwide, including Europe, America, Japan, South Korea, and Southeast Asia, finding applications across various industries.
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