Is austenitic stainless steel ferrous?

A ferrous metal is one that contains iron. Therefore, stainless steels are ferrous metals as their main constituent is iron, even in the very highly alloyed grades, such as super duplex stainless steels, or super austenitic stainless steels. Non-ferrous metals would include aluminium, copper, lead, tin and zinc. In principle, many of the nickel alloys we stock will contain iron, although many people would not consider them ferrous as iron is a minor constituent.

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