Aluminum Circle 1070 3003 for Kitchenware
When it comes to selecting the perfect material for high-performance kitchenware, aluminum circles have been reigning supreme due to their excellent thermal conductivity, lightweight nature, and corrosion resistance. Among the alloy options available, Aluminum Circle 1070 and Aluminum Circle 3003 is know as industry favorites for manufacturing kitchen utensils, cookware, and related products.
Aluminum Circles 1070 and 3003 in Kitchenware
Aluminum Circle 1070 and 3003 are frequently used alloy grades for manufacturing kitchenware, each offering distinct advantages catering to different needs in the culinary world. Their characteristics affect durability, appearance, and suitability for specific processing designs.
Parameters and Chemical Composition
| Alloy Grade | Purity/Composition (%) | Description |
|---|---|---|
| 1070 | Al: 99.7% Min, Fe: ≤0.25, Si: ≤0.20, Cu: ≤0.05, Mn: ≤0.03, Zn: ≤0.08, Ti: ≤0.03, Mg: ≤0.03 | Commercially pure aluminum, excellent corrosion resistance and high electrical conductance |
| 3003 | Al: Balance, Mn: 1.0-1.5%, Cu: ≤0.10%, Fe: ≤0.7%, Si: ≤0.6%, Zn: ≤0.1%, Mg: ≤0.1%, Ti: ≤0.2% | Al-Mn alloy with good mechanical properties and moderate corrosion resistance |
The high aluminum purity in 1070 alloy ensures enhanced thermal conductivity, which is critical for efficient heat distribution during cooking. The 3003 alloy, while marginally less pure, features manganese additions that improve strength and machinability, without significantly compromising corrosion resistance. This combination makes 3003 the preferred choice for manufacturing kitchen tools needing better strength such as utensils, frying pans, and baking trays.
Tempering and Mechanical Properties Relevant to Kitchenware
Both alloys come in temper T0 (annealed), H14 (strain hardened), or H16-H22 (partially hardened) conditions depending on the manufacturer’s process and the end application:
| Alloy | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Thermal Conductivity (W/m·K) |
|---|---|---|---|---|---|
| 1070 | T4 | ~65 | ~35 | ~35 | ~220 |
| 1070 | H14 | ~96 | ~48 | 10-15 | 220 |
| 3003 | H14 | ~130 | ~85 | 8-12 | ~193 |
| 3003 | H24 | ~150 | ~125 | ~6 | 190 |
- 1070 T4 is suitable for applications demanding high corrosion resistance and thermal performance without requiring high strength.
- 3003 H14 & H24 are geared towards higher strength components used in durable kitchensticks and cookware, with good formability for shaped cookware such as pots and pans.
Implementation Standards
The Aluminum Circles 1070 and 3003 for kitchenware production commonly comply with the following international standards:
- ASTM B209: Specification for Aluminum and Aluminum-Alloy Sheet and Plate.
- GB/T 3880-2012: Aluminum and aluminum alloy sheets/plates.
- EN 573-3: Aluminum and aluminum alloys—chemical composition and form of wrought products.
Meeting these ensures product quality, working consistency, and compatibility with modern fabrication equipment prevalent in kitchenware manufacturing.
Functional Applications in Kitchenware
The functionality of Aluminum Circle 1070 and 3003 in kitchenware hinges on their natural properties:
- Flat Bottom pans and bakeware utilize 1070 circles due to their superior heat distribution, ensuring even cooking without hotspots.
- Pressure cooker parts, simmer plates, frying pans, and grill plates frequently adopt 3003 aluminum because it withstands mechanical stress and surface abuses while providing decent thermal response.
- Kitchen utensils crafted from 3003 strike one between flexibility and rigidity, ideal for daily use.
- The high resistance of 1070 to acids and alkalis prolongs cookware life, crucial for extended contact with foods and cleaning agents.
- Excellent anodization compatibility enhances cookware aesthetics and longevity by creating robust oxide layers prone to resist scratching and corrosion.
- Aluminum circles from both models contribute to lightweight cookware, facilitating easy handling which is a critical ergonomic feature in the kitchen environment.
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