clearly makes the product what it is, but if I advertise in the heading with steel, I am assuming that it does not rust.
Wikipedia has indeed again disabused me:
Are synonyms for rustproof (stainless) steel
Stainless steel, generally only called stainless steel; fachsprachlich the term stainless steel is used for steel grades with particularly high purity, which need not necessarily high-alloyed and stainless steel.
Nevertheless, it is misleading to advertise with stainless steel.
I've assumed that it is stainless steel Reier the edges are sharp DVON apart
The saying fits here forth: Whoever cheap Buy, Buy twice ...