Alloy surcharges 2025 July : Spring steel Strip 1.4310 : 2,12Spring steel strip 1.4310 (increased Mo) : 2,42 Spring steel wire 1.4310 : 2,16Stainless steel strip 1.4301 : 1,87Precision steel strip 1.4301 : 2,24Stainless steel wire 1.4301 : 2,29Precision steel strip 1.4404 : 3,75Stainless steel wire 1.4404 : 3,86

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