1.2067 | 102Cr6 +QO +T Hardened and tempered at 240 °C (quenchant: oil)
Numeric designation | 1.2067 | 1.3505 | SAE52100 | AMS6440 |
---|---|
Chemical designation | 102Cr6 | 100Cr6 |
State | +QO +T Hardened and tempered (quenchant: oil) |
Etching | 3% Nital |
This hypereutectoid steel (bar stock with ⌀ = 16 mm) was austenitised at 840 °C for 30 min, quenched in oil and then tempered at 240 °C for 2 hours.
The microstructure consists of martensite with finely distributed bright carbides.
Condition:
- 840 °C / 30 min / oil – 240 °C / 2 h / air
- Core hardness 702 HV1