How do the CTS steels compare with their Bohler and Crucible equivalents?

jstn

jstn

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Just picked up a few PM 2s in CTS-204P. It is my understanding that this steel is Carpenter's version of M390, and that the gray CTS-20CP version is the equivalent of S90V (although I may be mistaken). Just wondering how well these comparisons hold up? Are these comparisons accurate or does one company fair better than the others in actual usage? Also, where does CPM-20CV fit in? I have some experience with M390, so that is a good basis of comparison for me.
 
They are basically the same steels, just made by different companies so given the same HT and tempering processes they should perform the same or close enough.

M390, CPM 20CV, CTS-204P and DuraTech 20CV are all basically the same alloy content wise.
 
Thanks to both. I was knew the composition were basically the same, so the heat treat was what I was really wondering about. I'm excited to try some of these out!
 
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