Which is better, 3 16 stainless steel or 304 stainless steel?

3 16 stainless steel is good.

1, different composition: the composition of 304 stainless steel is composed of 18% chromium and about 8% nickel * * *; While 3 16 stainless steel contains about 2% molybdenum besides chromium and nickel.

2. Different properties: Molybdenum contained in 3 16 stainless steel makes it have very good corrosion resistance, and it is more resistant to some acidic and alkaline substances, and will not be corroded. However, the corrosion resistance of 304 stainless steel is inferior to that of 3 16 stainless steel. According to the definition in GB/T20878-2007, StainlessSteel is a steel with stainless and corrosion resistance, and the chromium content is at least 10.5% and the carbon content is not more than 1.2%. Stainless steel is the abbreviation of stainless and acid-resistant steel, and the steel that is resistant to air, steam, water and other weak corrosive media or stainless is called stainless steel; The steel that is resistant to chemical corrosion media (acid, alkali, salt and other chemical etching) is called acid-resistant steel.

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