| DOP | Depth of penetration |
| CRH | Caliber-radius-head |
| HAZ | Heat affected zone |
| EHZ | Entire heat conduction zone |
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.