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Grade 7 Titanium Plate/sheet (Ti-0.2pd) is a d-type titanium alloy plate made of industrial pure titanium by adding a small amount of precious metal Pd. The addition of Pd not only significantly improves the corrosion resistance of the alloy in reducing medium, but also improves its corrosion resistance in oxidizing medium. Therefore, grade 7 titanium plate has the best resistance to crevice corrosion. The cost of Grade 7 titanium plate is relatively high due to the addition of Pd.
The influence of palladium on the corrosion resistance of titanium
When the amount of Pd added to Grade 7 titanium reaches 0.1%-0.2%, the corrosion rate of titanium in sulfuric acid and hydrochloric acid is significantly reduced, and when the Pd content is less than 0.05%, the corrosion rate increases instead. When the acid concentration is low, the titanium alloy containing 0.13% Pd has satisfactory corrosion resistance. But when the acid concentration is higher, Ti-0.2pd has better corrosion resistance, so Ti-0.2pd is more suitable.
application
Grade 7 Titanium Plate/sheet is mainly used in the environment of dilute hydrochloric acid, dilute sulfuric acid, and dilute phosphoric acid. It is also widely used in titanium equipment to prevent crevice corrosion. Grade 7 titanium is also suitable for environments where oxidizing and reducing conditions alternate.
| Grade | Fe (max) | C (max) | N (max) | O (max) | H (max) | Pd | Residuals Elelement Each (max) | Residuals Elelement Total (max) |
| Grade7 | 0.3 | 0.08 | 0.03 | 0.25 | 0.015 | 0.12-0.25 | 0.1 | 0.4 |
Titanium plate characteristics
1. Titanium plate is the surface of the oxide film is equivalent to a good long-term wear-resistant release agent, the use of titanium plate to save the separation agent, so that easy to peel off the plate, eliminating the pre-treatment process, The board is lighter than the copper plate.
2. Titanium plate of the life of copper plate is more than 3 times, according to operating conditions up to 10 to 20 years
3. With titanium plate made of electrolytic copper crystal structure dense, smooth surface, excellent quality.
4. Since the titanium plate does not need to apply the separating agent, it can avoid the pollution of the copper electrolyte.
5. To improve production capacity to reduce the cost of electrolytic copper production, which has a better economic benefits.
application
· Heat exchangers and condensers
· Offshore farming
· Chemical Industry
· Electroplating equipment
· precision instrument
· Environmental protection equipment
· Navigation, aerospace, automobile industry
· Medical and sports industry
· Power Industry
· Desalination industry,
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