Heat Treatment: Hardening: 840 - 870 °C, hold time 30 min when thoroughly heated, water or oil quenching Tempering: 160 - 200 °C, hold time 2 h when thoroughly heated, air cooling Optional softening treatment: Normalizing 870 °C, hold time 1 h when thoroughly heated, air coolingInformation provided by EOS GmbH (Electro Optical Systems). |