SG-2 Steel SG-2 – Made up of Carbon: 1.25 – 1.45%, Vanadium: 1.80 – 2.20%, Chromium: 14.00 – 16.00%, Molybdenum: 2.30 – 3.30%, Manganese: .40%, Phosphorus: .03%, Sulfur: .03%, Silicon: .50%
This is Takefu Specialty Steel’s PM (powdered metallurgy) steel. It has very high edge retention like ZDP-189, but has less wear resistance making it much easier to sharpen. Shun and Fallkniven are two of the more popular makers using this steel in their production lines.
