Titanium Gr. 2, 3, 5, 7 and 12, and Tantalum Valves and their use.
Titanium and Tantalum® are known for their inert condition when exposed to acids. Often used in high concentration sulphuric, nitric and hydrocloric acid, as well as wet chlorine.
Duplex material specification and equivalents
| ASTM cast specification | B376 C2, C3, C5, C7, C9, C12 |
| European (DIN) Werkstoff number | 3.7035, 3.7055, 3.7165, and 3.7235 |
| Unified Numbering System (UNS) | R50400, R50550 and R52550 for C2 and C3. R56400 and R56401 for C5. |
