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About Titanium
Titanium is 30% stronger than steel, but is nearly 50% lighter.
Titanium is 60% heavier than aluminum, but twice as strong. Titanium
has excellent strength retention to 1,000 degrees Fahrenheit.
Titanium is alloyed with aluminum, manganese, iron, molybdenum and other
metals to increase strength, to withstand high temperatures, and to
lighten the resultant alloy. Titanium’s high corrosion resistance is
also a valuable characteristic; as when exposed to the atmosphere,
titanium forms a tight, tenacious oxide film that resists many corrosive
materials, particularly salt water. In the 1950s, the titanium metal
industry was established primarily in response to the emerging aerospace
industry, which used it in the manufacture of airframe structural
components and skin, aircraft hydraulic systems, air engine components,
rockets, missiles, and spacecraft, where these properties are invaluable.
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Alloyed Titanium
When inquiring about titanium, one should know that alloyed titanium could
vary in the thousands. This alloyed variety of titanium is achieved
by the various methods used during manufacturing and the special if not
specific properties of titanium and the other elements used during the
process. Because titanium alloys can vary so widely, it was
necessary to put them into four main groups or categories.
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Unalloyed Titanium
There are the unalloyed or CP (Commercially Pure) grades
of titanium. The most widely used of this Cp titanium
are classified as Grades 1 thru 4, 7, 11, and 12. The
higher the grade numbers, the higher the strength. The
first four titanium grades allow for increasing levels
of impurities. Palladium is added to titanium Grades 7
and 11, at about 0.2%, to improve its corrosion
resistance. more...
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