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Pressure cookers are commonly used nowadays when people cook. The material of pressure cookers in the market is generally divided into two main categories, one is the aluminum alloy pressure cooker, and the other is stainless steel pressure cooker. So, which of these two types of pressure cookers is better? Below, I will give you an introduction to the advantages and disadvantages of these two materials:
Aluminum Alloy Pressure Cookers
• Aluminum alloy pressure cookers were widely popularized when people started to use pressure cookers. Aluminum alloy texture is light, easier to handle and the price is more affordable to most people.
• Because aluminum has a very high thermal conductivity (237W/m²/K), the heat transfer efficiently and warms up very quickly.
• However, the aluminum layer on the surface is not suitable to use for a long time, it gets softer easily because aluminum has a lower softening point than steel, so most people find the pot deformation after a period using.
• As for the drawbacks, aluminum alloy pressure cookers are not suitable for induction stoves, because they have low electrical resistivity. Although aluminum is fast heat transferred, there is also a con that the center of the bottom gets superheated with direct contact with a frame over a gas stove, thus foods are not evenly heated.
• Aluminum cookware should not contain acidic foods, such as tomatoes. After the destruction of aluminum oxide on the surface, aluminum ions will be dissolved by high-temperature cooking, which has been proven can increase the risk of damage to the nervous system and bones, harmful to human brain cells after consumption, causing Alzheimer’s disease, aging, etc., therefore, it is not conducive to health(1).
In conclusion, the advantages of aluminum pressure cookers are affordable and fast heat transfer, the disadvantage is that aluminum is harmful to human health.
Stainless Steel Pressure Cookers
After people found the shortcomings of aluminum alloy pressure cookers, stainless steel pressure cookers were created and stepped into the market. Stainless steel is tested and shows high chemical stability, heat resistance, and corrosion resistance, it will not react to acid or alkaline food. The compatibility allows them to directly into contact with any food.
• Although their texture is heavier, they are harder and more durable, not easy to deform, and demand less maintenance. While the heating efficiency of stainless steel is not as fast as aluminum alloy material, many models of stainless steel pressure cookers are composited with a sandwich bottom of aluminum as a core to fasten heat spread. This bottom also allows the stainless steel pressure cooker adapted to an induction stove, therefore widening usage.
• However, there is a reason stainless steel pressure cookers do not replace aluminum alloy pressure cookers in the market, that is the cost. Stainless steel cookware is more expensive thus they are not accepted all over the world so far.
• To summarize, the advantages of stainless steel pressure cookers are corrosion resistance, high-temperature resistance, suitable for more types of stoves, and healthier cookware; The disadvantage is that the weight is heavier and the price is more expensive.
Conclusion
Considering both the pros and cons, from a health point of view, the stainless steel pressure cooker is more stable, environmentally friendly, and more practical. Although it’s costlier, it’s more long-lasting and not easy to deform.
If you are looking for a reliable stainless steel pressure cooker manufacturer, who can provide safe and efficient products, please contact the Linkton Team below.
10 Advantages of Using Linkton Stainless Steel Pressure Cooker:
- Good Cooking Ability – Exhibit excellent cooking performance, evenly heated with quick heat absorption.
- Safe Cooking – 6 levels of safeguards to ensure pressure cooker safety during cooking. Contact the Linkton Team for more detailed information.
- Demand Low Maintenance – Simple care is needed. You don’t have to season to prevent rust or pamper the fragile coat to stop peeling. It has no special techniques for caring and cleaning, just needs the right solution when occasionally has bad scorches. If this happens, see how to deal with badly burnt food issues and all done.
- No Food-Reactive – This is one of the safe products for acid foods. It allows cooking acidic recipes, like tomato sauces or cilantro lime fish, without the risk of leaching any harmful chemicals or a weird taste like some other bare metals.
- Polished Attractive Appearance – Shiny, mirror-finished, and sturdy-feeling pots and pans always fit every decoration.
- Durable and Long-lasting – Stainless steel comes close to indestructible. Forget about the annoying problems of chip coats like nonstick, stains like enamel, or rust like cast-iron cookware.
- Reasonable Price – It offers wide price ranges, from budget to high-end. Also, buying stainless steel cookware is a wise investment as less expensive, compared to other products with the same performance.
- Preserve Natural Tastes – soften and moisturize, making all food tastier.
- Easy to Clean – Use common washing liquid and sponge, no other tools are needed to clean.
- Money Saver – Fast cooking helps you to save gas, time, and money.
References:
PubMed Central: Journal archive from the U.S. National Institutes of Health, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3056430/
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