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Today’s life is more and more modern, stainless steel materials are the trend in production activities and daily utensils of people. Let’s find out with lassho.edu.vn right away what is stainless steel? Features and types of stainless steel used in the kitchen.
What is stainless steel? Material Origin
Stainless steel is also known as stainless steel.
Inox, also known as stainless steel, is an alloy of iron with outstanding durability, less corrosion or discoloration. That’s why stainless steel is increasingly being manufactured by many manufacturers to create many necessary items for our lives.
Stainless steel is manufactured from alloys of iron, containing 10.5% chromium and up to 1.2% carbon by mass. If the content of chromium in the steel is higher, the oxidation resistance of stainless steel is superior.
Stainless steel is a material created by a British expert Harry Brealey in 1913. During the research, the expert added many ingredients such as Chromium and Carbon to make Stainless Steel more durable.
After this expert’s research, German steel firms Krupp continued to improve and found two types of codes 300 and 400 before the second world war. After that, British expert W. H Hatfield continued to research and create 304 steel (8% Ni and 18% Cr) that we often talk about today.
Features of Stainless Steel
Stainless steel is divided into many different groups.
Stainless steel is divided into 4 main groups and includes many types
- Austenitic: SUS 301, 304, 304L, 316, 316L, 321, 310s,…
- Ferritic: SUS 430, 410, 409,…
- Austenitic-Ferritic (Duplex): LDX 2101, SAF 2304, 2205, 253MA,…
- Martensitic : 420S45, 248SV,…
In terms of general aspects, the stainless steel groups will have the following characteristics
| Alloy group | Magnetism | Corrosion resistant | Plasticity | Heat resistance |
|---|---|---|---|---|
| Austenite | Are not | High | Very high | Very high |
| Duplex | Have | Very high | Medium | Short |
| Ferritic | Have | Medium | Medium | High |
| Martensitic | Have | Medium | Short | Short |
| Chemical stability of phase | Have | Medium | Medium | Short |
Types of stainless steel are popular in the processing of kitchen utensils
Stainless Steel 201
Stainless steel 201 is used to make kitchen utensils.
Stainless steel 201 is widely used in our daily life, it contains 18% Chromium and 3% Nickel, so it has a shiny appearance, the rest is iron and other components. Inox 201 is considered to have relatively good durability and wear resistance.
It is used to make pots and pans, thermos flasks, super speed kettles…
Inox 201 has many advantages and disadvantages as follows
Advantage:
- Low price
- Relative durability
- Light-weight
- Safe for consumers’ health
Defect:
- Utensils made of 201 stainless steel should not be cooked directly on the induction hob
- Although quite durable, it is more susceptible to corrosion than 304 stainless steel
304 . stainless steel
Medical devices made of stainless steel.
304 stainless steel is considered by manufacturers to be the best, most durable, most flexible and most resistant to oxidation of all stainless steels. Moreover, this type of stainless steel never rusts because in its composition it contains up to 18% Chromium, 10% Nickel, a small part of iron.
304 stainless steel is used to manufacture medical devices because of its outstanding advantages.
Advantage:
- Shiny, durable
- No rust, no oxidation
- Does not react with food, so it is extremely safe for health to use
Defect:
- Hold it heavy
- Pans made of 304 stainless steel must be covered with a layer of 430 stainless steel on the bottom to be used
- High price
Stainless Steel 410
Spoons, patches, … are made from 410 stainless steel.
A fairly common type of stainless steel in our daily lives is Inox 410. This type is produced by 11.5% Chromium and other ingredients. Stainless steel 410 is applied to the production of spoons, chopsticks, patches, grits, ..
Stainless steel has the following advantages and disadvantages
Advantage:
- Affordable price
- Take it lightly
- Safe for the health of users
Defect:
- Easy to scratch when using
- Easily tarnished
Stainless Steel 430
Stainless steel 340 is used as the outermost coating of the bottom of pots and pans.
Stainless steel 430 is also used in daily life, it is produced by 18% chromium, the rest is iron and other components. Stainless steel 430 is used as the outermost coating of the bottom of pots and pans extremely well.
Stainless steel 430 has the following advantages and disadvantages
Advantage:
- Can be used on an induction hob
- Has a shiny look
- Take it lightly
- Safe for the health of the user
Defect:
- Thin and easily tarnished
- Durability as well as low oxidation resistance
What kind of stainless steel should be used in cooking?
In cooking, people use stainless steel 201 to produce kitchen utensils.
There are so many types of stainless steel, which one should be used in cooking and kitchen utensils? Manufacturers mainly use Inox 201 in the production of kitchenware because it contains 18% Chromium and 3% Nickel.
Because this type of stainless steel has high durability and is safe for the health of the user. Items such as baskets, stainless steel brass made of this type of stainless steel are increasingly used by many families.
Above is the information that you need to know about stainless steel materials, the characteristics and types of stainless steel commonly used in our kitchen. Hope this information will be useful to you.
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