- Joined
- Oct 8, 2003
- Messages
- 2,181
anyone work with this stuff yet? i have a couple of bars hanging around. i'm about to HT the stuff, just wondering if anyone has suggestions on tempering temps? thanks!
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Heat Treat For 12C27?
- Thread starter Michael J. Spangler
- Start date
- Joined
- Nov 24, 2003
- Messages
- 2,357
According to the Sandvik Hardening Guide (note that all of their
times are for a belt furnace):
No cryo:
1975 F
5-12 minutes depending on thickness
Temper: 59HRC 345F
-5F cryo:
1995 F
5-12 minutes depending on thickness
Cryo until at temperature, no soak
Temper: 60HRC 345F
58HRC 435F
-95F cryo:
1995 F
5-12 minutes depending on thickness
Cryo until at temperature, no soak
Temper: 61HRC 345F
59HRC 435F
times are for a belt furnace):
No cryo:
1975 F
5-12 minutes depending on thickness
Temper: 59HRC 345F
-5F cryo:
1995 F
5-12 minutes depending on thickness
Cryo until at temperature, no soak
Temper: 60HRC 345F
58HRC 435F
-95F cryo:
1995 F
5-12 minutes depending on thickness
Cryo until at temperature, no soak
Temper: 61HRC 345F
59HRC 435F