Stainless steel is the most popular material constituting the containers and utensils in contact with food. Stainless steel has good anticorrosion properties, durability and low weight. However, it is worth considering that this material is not always resistant to aggressive media, in this case applied special formulations of food products.
Of Course, to keep the food better in steel or glass container as popular today penopropilen does not meet all the necessary requirements. Moreover, its lifetime is much less than that of products made from steel.
Many wonder how to distinguish the food from stainless steel material, suitable for storage of food? To answer this question, we should consider the advantages, features and classification of this metal.
If we talk about the pros food stainless steel, it is necessary to highlight:
In addition, it is proven that instead of pans with non-stick coating is much better to use utensils made of food grade stainless steel. From the same material made the best of the cooking plate and the surface of the refrigerator.
Stainless steel, suitable for the storage and preparation of food – high alloy metal, which includes 25% of chromium. Due to this chemical element alloys are known for their corrosion characteristics. In case of contact with aggressive environment on the metal surface forms a special protective film. Due to this surface layer metal does not rust.
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In addition, food stainless steel added titanium, molybdenum, Nickel and other chemical components, further increasing the anticorrosion properties of the material.
If to speak about state standards, then they are not spelled out the rules pertaining to stainless steel. That is why the experts find it difficult to answer what kind of material should be used in the food industry. In turn, the producers of this stainless metal the answer is that regardless of brand it is suitable for food.
Is it really in the regulations says nothing about the food stainless? GOST 5632-72 – it is, perhaps, the closest reference document, which you can use when choosing the best alloy for use in the home. In this national standard refers to alloy steel stamps and corrosion-resistant and heat-resistant alloys. Let us consider this classification.
Under this brand are made of austenitic corrosion-resistant stainless steel. The European equivalent - AISI 304. This material is not magnetic. It is used in all industrial and commercial sectors.
This material is low price and good quality. It is often used in the food industry, but only under the condition that the metal will not be in contact with caustic soda or sulfamine solutions.
The European equivalent of this brand – AISI 321. This heat-resistant steel is also not magnetic. Stainless steel this brand is often used in the manufacture of elements of furnace fittings, heat exchangers and collectors of exhaust systems. The thing is that this steel is suitable for use at high temperatures of 600 to 800 degrees Celsius.
The European version of this material is AISI 409. This steel is widely used in the production of kitchen utensils and Cutlery. Such food stainless steel is most often found in stores. This popularity had also been due to the high degree of adhesion and the ability to adapt to different operating conditions.
This cookware can be safely heat or store food in the freezer.
This type of Steel belongs to the category of composite materials, so it is often used in the manufacture of household and industrial sinks, as well as for the production of utensils for hygienic or heat processing of food. The European equivalent of this brand – AISI 420. If the plates are one of these markings, it can safely be buy for use at home. This stainless steel does not rust, it tolerates sudden temperature changes, and is very ductile and durable material.
In Europe, this material is produced with the marking of AISI 410. Steel of this type is more often used in the manufacture of equipment for winemaking, food processing and the manufacture of alcohol. In addition, this material has high heat resistance in conditions of slightly aggressive environment.
In Europe, this steel is manufactured under AISI 430. This stainless steel is indispensable, if the food in the dish is subjected toheat treatment. Steel of this type has the highest strength. However, this material is quickly deformed in the conditions of a sulfuric environment. The stainless steel does not rust and can withstand mechanical loads. From this material it is recommended to buy the pan, as 08Х17 is characterized by a high coefficient of thermal conductivity.
All other materials used in special conditions, their costs are much higher. However, not all stainless steel can be safely used for cooking and food storage. Not to delve into different food stainless steel from technical, much easier to read a few useful recommendations. They can help you quickly determine the suitability of this material for food. It is useful to know for every consumer, worried about his health.
To determine the composition of corrosion-resistant alloy, as well as the possibility of its use in the home, you can issue stamps, which were listed above. If this marking is on the container, it is suitable for cooking and storing food.
But sometimes it happens that before my eyes the material is unknown brand and the seller insists that this alloy – absolutely environmentally friendly and can not cause harm to humans. In this case, it is sufficient to place the metal in 2% vinegar solution and wait for the reaction. If the shade material has changed, it became dark, it is better not to use it. Permanence of color suggests that stainless steel really is the food. It can be used.
There is another method which is often used by consumers, having read the information on how to determine food stainless steel. They use a magnet. But it should be understood that this method is completely ineffectual, as stainless steel is magnetawan and amanitas. Accordingly, the use of the magnet does not help to determine whether you can apply a material for food products.
To choose the best metal, you should study the information about the product and ask the seller accompanying documents. Any utensils should be in accordance with defined standards and requirements. If the product is no marking, then such a product should be abandoned. Otherwise you can buy substandard and dangerous to human health utensils.
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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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