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O2 is imo the perfect steel for razors and I WOULD recommend it for everyone making razors, beginner or pro.
Except it is impossible to get in the US because it is not made anymore or imported.
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Just to be sure: O1 is great steel. But not my preferred choice for razors.

All of it has Tungsten iirc. That is what makes it O1. But the amounts seem to vary.
I dislike O1. My advice for a beginner would be 1095 or 1084 and oil harden it.

When I just started out I...