A Japanese stainless steel, ATS-34 is a premium steel that was extremely popular with handmade makers for over 20 years. It is very comparable to American 154CM. When the quality of 154CM dipped, many handmade makers followed Bob Loveless's example and switched to ATS-34.
Carbon 1.05%, Manganese 0.40%, Chromium 14.00%, Molybdenum 4.0%, Phosphorus 0.03%, Silicon 0.35%, Sulphur 0.02%, with a typical Rockwell of 59-61 Rc.
