Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Laser surface transformation hardening (LSTH) and furnace micro-hardness.
| Heat Treatment Cycle | Furnace Hardening Heat Treatment | LSTH |
|---|---|---|
| Cooling in oil | 572 Vickers | - |
| Cooling in water | 681 Vickers | - |
| Cooling in air | 421 Vickers | - |
| LSTH (#9 Table 2) | - | 673 Vickers |
