8620 Steel is a hardenable chromium, molybdenum, nickel low alloy steel more often used for carbonizing to advance a case-hardened phase. This case-hardening will influence in just right wear traits. This Grade is in most cases used for gears, ring gears, shafts and crankshafts.
8620 is a hardenable chromium, molybdenum, nickel low alloy steel often used for carburizing to develop a case hardened part. This case-hardening will result in good wear characteristics.
|Thermal Conductivity at °C
Application- Gears, shafts and other applications where a hard carborized case and a tough core are desired.
|Soft annealing °C
|Stress-relief annealing °C
|1st pre-heating °C
||2nd and 3rd
||Hardness after Teperature HRC
|up to approx. 400 in an air-circulating furnace
||780 and 850
||810 °C Oil ,Quench
||at least twice 150-200
||62 – 64