What's the plural form of alloy steel? Here's the word you're looking for.
Answer
The noun alloy steel can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be alloy steel.
However, in more specific contexts, the plural form can also be alloy steels e.g. in reference to various types of alloy steels
or a collection of alloy steels.
