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Is 430 stainless steel food grade, What is the difference between 430 and 304 stainless steel
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Is 430 stainless steel food grade? What is the difference between 430 and 304 stainless steel?
Is 430 stainless steel food grade? Is the 403 stainless steel tableware (steamer, spoon) safe? What is the difference between 430 stainless steel and 304 stainless steel? Which is better?
What are the differences between the two types of stainless steel:
430 stainless steel: It is called “stainless steel” in the industry because it is a kind of ferritic stainless steel with good corrosion resistance and superior thermal conductivity than austenitic stainless steel. At present, it is mainly used in building decoration, some household appliances parts, fuel burner parts and other normal or high temperature scenarios. However, the chromium content in 430 stainless steel is much less than 304, so it is not as good as 304 in hardness.
Such a ferritic stainless steel is inferior to 304 stainless steel in terms of corrosion resistance, and its various performance indicators do not meet the national standards for listing food grade stainless steel. In any way, 430 stainless steel is not food grade stainless steel at all, and more often, stainless steel is recycled scrap iron, steel, lead and other materials through secondary refining, It is made through a series of processing.
430 and 304 stainless steels ≠ food grade stainless steels. Only stainless steels that meet the GB9684 standard certification and can really contact with food without causing physical harm are food grade stainless steels.
Regular manufacturers generally use 304 (i.e. 18-8) and 430 (i.e. 18-0) stainless steel as forks and spoons. 430 is magnetic and 304 is micro magnetic. Therefore, when purchasing stainless steel tableware, it can be easily judged with magnets.
Stainless steel products for food can be divided into two categories according to their uses. One category is tableware container, which refers to stainless steel appliances used to hold food, namely, pots, bowls, basins, etc. There is also stainless steel tableware, which is generally directly contacted with knives, forks, spoons, chopsticks and other tableware.

The main safety problem of stainless steel for food contact is the migration of heavy metals. Generally, stainless steel products do not constitute a food safety risk when they are placed, cooked or contacted with food. When the heavy metals migrated from stainless steel products in use exceed the limit, it may endanger human health.
430 stainless steel is not food grade, and 430 belongs to ferritic stainless steel with magnetism, which is known as stainless steel. It is used to make knives (wear-resistant, hard) and tableware. At present, austenitic stainless steel (with no magnetism or micro magnetism) is generally used For example, 201 202 301 304 (austenitic corrosion resistance is good), so 430 stainless steel is not very safe as tableware, because 430 stainless steel has poor corrosion resistance.
What are the differences between 430 stainless steel and 304 stainless steel ?
Comparison between 304 stainless steel and 430 stainless steel:
1. Corrosion resistance: 430 stainless steel contains 16.00-18.00% chromium, basically no nickel metal. 304 stainless steel contains more chromium and nickel metals, so 430 stainless steel has less corrosion resistance than 304 stainless steel.
2. Stability: 430 stainless steel is ferritic, 304 stainless steel is austenitic, and 304 stainless steel is more stable than 430 stainless steel,
3. Toughness: 304 stainless steel has strong toughness, which is stronger than 430 stainless steel
4. Thermal conductivity: the ferrite of 430 stainless steel has better thermal conductivity than the austenite of 304 stainless steel,
5. Mechanical property: 430 stainless steel is added with stable chemical element titanium, and the mechanical property of weld joint is better than 304 stainless steel,
Application field of 430 stainless steel:
1. 430 stainless steel is mainly used for building decoration, fuel burner parts, household appliances and household appliances.
2. The 430F steel with free cutting property is added to the 430 steel, which is mainly used for automatic lathes, bolts and nuts.
3. Adding Ti or Nb to 430 steel and reducing the content of C to 430LX improves the processability and welding performance. It is mainly used in hot water tanks, hot water supply systems, sanitary appliances, household durable appliances, bicycle flywheels, etc.

Use field of 304 stainless steel:
1. 304 stainless steel has the characteristics of high temperature resistance, good processing performance and high toughness, and is widely used in industry, furniture decoration industry and food and medical industry.
2. 304 stainless steel has strong corrosion resistance and is widely used to make equipment and parts that require good comprehensive performance (corrosion resistance and formability).
Summary
304 stainless steel and 430 stainless steel have respective advantages:
430 stainless steel has good thermal conductivity and mechanical properties, and 430 stainless steel is better in the fields of building decoration, fuel burner parts, household appliances, home appliance parts, etc;
304 stainless steel has strong toughness and corrosion resistance, which is better in industries requiring corrosion resistance such as industry, food and medical treatment.
Is 430 stainless steel food grade? What is the difference between 430 and 304 stainless steel, you can visit Changwen https://www.cookwarecw.com/product_category/stock-pot to learn more. If you need stainless steel cookers, please contact us! Changwen is a professional stainless steel cooker manufacturer.
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