Alloy surcharges 2025 May : Spring steel Strip 1.4310 : 2,25Spring steel strip 1.4310 (increased Mo) : 2,55 Spring steel wire 1.4310 : 2,36Stainless steel strip 1.4301 : 1,98Precision steel strip 1.4301 : 2,38Stainless steel wire 1.4301 : 2,50Precision steel strip 1.4404 : 3,92Stainless steel wire 1.4404 : 4,08

Guide values for heat treatment and minimum hardness for material in hardened condition according EN 10132-4, table A.2

Material C67S C75S C85S C100S
Austenising temperature ° C 815 to 845 810 to 840 800 to 830 790 to 820
Cooling medium Oil Oil Oil Oil
Minimum hardness in hardened condition, without tempering
...hardness according Rockwell (HRC) 59 60 61 61
...hardness according Vickers (HV) 670 700 720 720