Which is better, 304 or 316 stainless steel?

               
Update: 14-02-2020
               
Abst:

Due to similar physical properties. The mechanical prop […]

Due to similar physical properties. The mechanical properties of 304 and 316 stainless steel are similar. However, there is a significant difference between the two anti-corrosive properties. 304 and 316 are ordinary low carbon stainless steel, they are typical 18-8 chromium nickel stainless steel plate. The composition of the two materials is different. The contents of Ni and Cr are different. 316 stainless steel has better oxidation resistance than 304 stainless steel.

Because 316 stainless steel contains Mo (molybdenum), it is resistant to chloride pitting in stainless steel in marine and chemical industrial environments.

Because of the same tensile strength, yield strength, elongation and reduced area, and the same physical properties;
Comprehensive comparison, 316 material is better than 304, and the price of 304 is lower than 316. Under normal operating conditions, 304 material is sufficient.

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