Deep drawing 3003 aluminum discs for pressure cookers typically have good plasticity and forming properties, making them suitable for deep-drawn processing. 3003 aluminum alloy has high corrosion resistance and good weldability to meet the safety and durability requirements of pressure cookers. 3003 aluminum discs are easily processed into pressure cooker liners through the deep-drawing process, which ensures the dimensional accuracy and surface quality of the product.
In terms of size and thickness, the thickness of deep drawing 3003 aluminum disc for pressure cookers is generally between 0.5mm and 3mm, depending on the design requirements and usage of the pressure cooker. The common thicknesses are 1mm, 1.5mm, 2mm, 2.5mm, etc. The price of 3003 aluminum discs is relatively affordable, which makes the production cost of autoclave effectively controlled and improves the competitiveness of the products in the market.
The reason why deep drawing 3003 aluminum discs are used to make pressure cookers is mainly attributed to the following key factors:
First, good physical properties
- High strength and hardness: 3003 aluminum discs contain a certain amount of manganese, which makes them have high strength and hardness, able to withstand the internal pressure generated by the pressure cooker at work, to ensure the structural stability and safety of the cooker body.
- Good ductility: 3003 aluminum disc has good ductility, easy to deep-drawing process into various shapes and sizes of the potting chamber, to meet the design requirements of the pressure cooker.
Second, excellent corrosion resistance
- Strong corrosion resistance: 3003 aluminum discs has good corrosion resistance, can resist the erosion of acid, alkali and other corrosive substances, to extend the service life of the pressure cooker.
- Good oxidation resistance: under the environment of high temperature and high pressure, 3003 aluminium disc is not easy to oxidation reaction, to maintain the finish and aesthetics of the pot body.
Third, good thermal conductivity
- High thermal conductivity: 3003 aluminum discs have high thermal conductivity, which can quickly transfer heat to food, shorten cooking time and improve cooking efficiency.
- Uniform temperature distribution: due to the good thermal conductivity of 3003 aluminum disc, the temperature distribution inside the pressure cooker is more uniform, ensuring that the food is heated evenly and improving the quality of cooking.
As for the quality requirements of aluminum discs for pressure cookers, they mainly include the following aspects:
1. Chemical composition: it should meet the composition standard of 3003 aluminum alloy.
2. Mechanical properties: it should have good tensile strength and ductility to ensure that it is not easy to crack in the deep-drawn process.
3. Surface quality: the surface should be smooth, without obvious scratches, pits and other defects to ensure the beauty and safety of the pressure cooker.
4. Dimensional accuracy: it should meet the dimensional requirements of the design drawings to ensure processing accuracy.
In conclusion, deep drawing 3003 aluminum disc has become an ideal material for making pressure cooker by virtue of its good physical properties, excellent corrosion resistance, good thermal conductivity, advantages in production process and cost-effectiveness.