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Like aluminium and magnesium, titanium metal and its alloys oxidize immediately upon exposure to air. Titanium readily reacts with oxygen at 1,200 °C (2,190 °F) in air, and at 610 °C (1,130 °F) in pure oxygen, forming titanium dioxide. It is, however, slow to react with water and air at ambient temperatures because it forms a passive oxide coating that protects the bulk metal from further oxidation. When it first forms, this protective layer is only 1–2 nm thick but continues to grow slowly; reaching a thickness of 25 nm in four years.
Atmospheric passivation gives titanium excellent resistance to corrosion, almost equivalent to platinum. Titanium is capable of withstanding attack by dilute sulfuric and hydrochloric acids, chloride solutions, and most organic acids.However, titanium is corroded by concentrated acids. As indicated by its negative redox potential, titanium is thermodynamically a very reactive metal that burns in normal atmosphere at lower temperatures than the melting point. Melting is possible only in an inert atmosphere or in a vacuum. At 550 °C (1,022 °F), it combines with chlorine. It also reacts with the other halogens and absorbs hydrogen.CNC milling zinc alloy passivation product Supplier
Titanium is one of the few elements that burns in pure nitrogen gas, reacting at 800 °C (1,470 °F) to form titanium nitride, which causes embrittlement. Because of its high reactivity with oxygen, nitrogen, and some other gases, titanium filaments are applied in titanium sublimation pumps as scavengers for these gases. Such pumps inexpensively and reliably produce extremely low pressures in ultra-high vacuum systems.
A: We are a manufacturer with more than 13 years experience. A: Generally it is 5-10 days if the goods are in stock. Or it is 30-35 days if the goods are not in stock, it is according to quantity. A: Yes, we do offer free samples but delivery fee will be charged. A: T/T or Paypal.
Q: Are you trading company or manufacturer ?
Q: How long is your delivery time?
Q: Do you provide samples ? is it free or extra ?
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A: We are a manufacturer with more than 13 years experience.
A: Generally it is 5-10 days if the goods are in stock. Or it is 30-35 days if the goods are not in stock, it is according to quantity.
A: Yes, we do offer free samples but delivery fee will be charged.
A: T/T or Paypal.