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