What are the types and models of stainless steel?

What are the types and models of stainless steel?
 

1. 200 Series: Cr Mn Ni
 

2. 201202 and so on: Manganese instead of nickel has poor corrosion resistance and is widely used as a cheap substitute for 300 Series in China
 

3. 300 series: Cr Ni austenitic stainless steel
 

4. 301: good ductility, used for molding products. It can also be hardened rapidly by machining. Good weldability. The wear resistance of 304 and stainless steel is better than that of 304.
 

5. 302: the corrosion resistance is the same as 304, because the carbon content is relatively high, the strength is better.
 

6. 303: by adding a small amount of sulfur and phosphorus, it is easier to cut than 304.
 

7. 304: general purpose model; i.e. 18 / 8 stainless steel. Products such as: corrosion resistant containers, tableware, furniture, railings, medical equipment. The standard composition is 18% chromium and 8% nickel.

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