| HT-19 | Heat Treatment of Precipitation Hardening Corrosion Resistant Steels | Heat Treat |
| Superseded by: None | Superseded By: None | |
| Selected sector: AS | Date added: | |
| SupplierNumber | SupplierName | State | CountryName |
| 90049129 | Bodycote Thermal Processing | CA | United States |
| 90049176 | Braddock Metallurgical Inc | FL | United States |