Carbon steel flat - Stenco Leuku
Unalloyed carbon steel.
Hardening cooling in water.
Due to non-alloy - a slightly wider "thermal window" of hot working, so easier to forge.
Hardening temperature 780...810 °C
Achievable hardness approx. 62 HRC
Carbon C 0.75%
Manganese Mn 0.7%
Silicon Si 0.3%