The role of alloying elements in CA6NM martensitic stainless steel 5

The role of——Mn in CA6NM martensitic stainless steel

Mn is a kind of element that expands austenite phase zone in phase diagram. In steel, the stability of Mn to austenite is only below Ni, which can greatly improve hardenability of steel. Thus, in super martensitic stainless steel Mn can partially replace Ni. However, the corrosion resistance of stainless steel with low Cr content will decrease slightly due to the addition of Mn. When the content of Cr in stainless steel is high enough (17%), this effect is no longer obvious.

CA6NM martensitic stainless steel tube
CA6NM martensitic stainless steel tube


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