ATS-34 vs. RWL-34 vs. CPA-N

[Thor I am]

I started a thread asking the following question in the custom knife forum. One forumite suggested I post the question here. Can anyone enlighten me?

Thanks,
Thor


Question:
Would someone be so kind to tell me the differences between these stainless steels and the pros and cons of them when compared to each other?

(changed the question slightly from the other forum given the new audience)

 

[mete]

ATS-34, RWL-34, and 154CM have the same basic chemistry . RWL-34 is made differently and is made like CPM154 and these are better in that the carbides are smaller and more evenly distributed. I am not familiar with CPA-N , do you know it's chemistry and who makes it ??