Two requirements for making stainless steel powder metallurgy parts.

As we all know, powder metallurgy parts can be made of stainless steel. What are the requirements for making stainless steel powder metallurgy parts?

First: stainless steel powder metallurgy parts require proper mechanical properties. Stainless steel powder metallurgy is high alloy steel. The main effect of alloying element is to improve the steel substrate and the electrode potential, the passivation film formed on the surface of the substrate and different substrate types. This is the root cause of high corrosion resistance of stainless steel powder metallurgy in which hromium is the most important element.

Second: stainless steel is a kind of steel that is resistant to atmospheric, steam, water and other weak acid corrosion medium steel and acid, alkali, salt and other corrosive medium. The performance requirements of stainless steel, first of all, is to have good corrosion resistance, which is an important performancel. The corrosion resistance has a certain selectivity to the external environment and medium. That is to say, some kinds of stainless steel have corrosion resistance to this medium, but not to others. Therefore, to the manufacture of stainless steel powder metallurgy parts shall be based on the working medium of the parts.

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