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Tantalum rods are highly prized in chemical processing equipment due to their exceptional resistance to corrosion, high melting point, and overall durability. Tantalum is particularly effective in environments where strong acids, alkalis, and other reactive chemicals are present, making it a key material in the construction of various chemical processing components.
Exceptional Corrosion Resistance: Tantalum is nearly immune to attack from most acids, including hydrochloric acid, sulfuric acid, nitric acid, and even aqua regia. This property makes tantalum rods ideal for use in equipment handling highly corrosive chemicals.
High Melting Point: With a melting point of approximately 2996°C (5425°F), tantalum can withstand extremely high temperatures, making it suitable for high-temperature chemical reactions.
Chemical Inertness: Tantalum is chemically inert in most environments, meaning it doesn’t react with chemicals, even in extreme conditions. This ensures a longer service life for equipment made from or protected by tantalum.
Thermal Stability: Tantalum maintains its mechanical and chemical properties even at elevated temperatures, which is essential for high-temperature chemical processes.
Non-Toxic and Safe: Tantalum does not leach or contaminate materials being processed, making it safe for use in chemical processing equipment where product purity is critical.
| Grade | Main elements | Impurity content less than % | |||||||||||
| Ta | Nb | Fe | Si | Ni | W | Mo | Ti | Nb | O | C | H | N | |
| Ta1 | Remain | —— | 0.005 | 0.005 | 0.002 | 0.01 | 0.01 | 0.002 | 0.04 | 0.02 | 0.01 | 0.0015 | 0.01 |
| Ta2 | Remain | —— | 0.03 | 0.02 | 0.005 | 0.04 | 0.03 | 0.005 | 0.1 | 0.03 | 0.01 | 0.0015 | 0.01 |
| TaNb3 | Remain | ＜3.5 | 0.03 | 0.03 | 0.005 | 0.04 | 0.03 | 0.005 | —— | 0.03 | 0.01 | 0.0015 | 0.01 |
| TaNb20 | Remain | 17.0～23.0 | 0.03 | 0.03 | 0.005 | 0.04 | 0.03 | 0.005 | —— | 0.03 | 0.01 | 0.0015 | 0.01 |
| Ta2.5W | Remain | 0.005 | 0.005 | 0.002 | 3 | 0.01 | 0.002 | 0.04 | 0.02 | 0.01 | 0.0015 | 0.01 | |
| Ta10W | Remain | 0.005 | 0.005 | 0.002 | 11 | 0.01 | 0.002 | 0.04 | 0.02 | 0.01 | 0.0015 | 0.01 | |
Heat Exchangers: Tantalum rods are used in the construction of heat exchangers that handle highly corrosive fluids, as tantalum can endure both heat and chemical exposure without degrading.
Reactor Vessels: Tantalum rods are utilized in reactors that process aggressive chemicals under high pressure and temperature, protecting the reactor from corrosion and extending its lifespan.
Piping Systems: Tantalum rods can be fashioned into fittings, flanges, and other parts of piping systems that transport corrosive liquids and gases in chemical plants.
Evaporators: Tantalum rods are used in evaporators to prevent chemical attacks from concentrated acids, ensuring that the equipment can withstand prolonged exposure without corroding or failing.
Liners for Chemical Vessels: Tantalum rods are used to make liners for steel vessels to provide an additional layer of corrosion resistance. This is particularly valuable in acid or chloride processing industries.
Thermowells and Sensors: In environments where temperature measurement and control are necessary, tantalum rods are used in thermowells and sensors because of their resistance to corrosion, even at elevated temperatures.
Anodes for Electrochemical Processing: Tantalum is often used as an anode material in electrochemical processing equipment due to its high stability and conductivity, which is vital in processes such as electroplating and electrolysis.
Tantalum rods provide crucial protection and functionality in chemical processing equipment, ensuring efficiency and longevity in environments where other materials would rapidly degrade.
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