19c27 ? Perceval P60 folder

Hi Poussin ;)

19C27 is a stainless steel similar to 12C27, with more carbon.

19C27 0.95%C 13.5%Cr
12C27 0.60%C 13.5%Cr

It should be a slightly better steel than the 12C27, the extra carbon should improve the edge retention.
 
No it is not a typo. Sandvick 19c27 is a high carbon stainless (.95%) carbon. It is kind of like 440C, but has less chrome and is probably pretty pure. It sounds interesting to me. Check out the entry in this table.

http://www.smt.sandvik.com/sandvik/0140/Internet/se01596.nsf/1ab734b4713311544125653d002eb28b/fb66c1416b15e96c41256713003a4c3a!OpenDocument
 
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