Here’s yet another common manifestation of that reality. Note the sample text in the image at right. Let's take a look at the first sentence in the image.
But one important difference exists between Types 410 and 416 stainless steel. Type 410 is a general martensitic stainless steel; other martensitic stainless steels are just modifications of Type 410. Type 416 is no exception; it contains extra phosphorus and sulfur to improve machinability. So if the author wanted to focus on the difference, he or she would use the preposition with.
That’s a very significant distinction. And respecting that distinction makes for clearer writing, which always makes for better writing.