O1 San-Mai

I used to like it. The Mn will make it etch a little darker than 1080/1095, which is nice for added contrast. I've had trouble welding a few pieces before, and was told that if the alloy is on the higher end of Chromium and Tungsten that can make forge welding tough. But I'm wondering if those pieces weren't actually O1 because it is used fairly commonly in pattern welding and lots of folks seem to have no problems.

Hopefully others who use it more will chime in.
 
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