How much titanium is in a plane?

This is important because airplanes go through big temperature changes over normal flight cycles. Titanium alloys account for approximately 15% of the Boeing 787 airframe by weight. In the Airbus A350XWB, it is about 14%, and is used in landing gear, pylons, attachments, door surrounds, frames, and other parts.



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Various titanium materials are used for aircraft, each material selected ac- cording to use. Commercially pure titanium is used for airframes where formability is considered important; for engines where heat resistance and strength are considered important, titanium alloys are used.

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The Boeing 787 aircraft is 80% composite by volume. By weight, the material contents is 50% composite, 20% aluminum, 15% titanium, 10% steel, and 5% other [11].

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It is estimated that around one third of the titanium used by Boeing came from Russia.

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Titanium and its alloys are used in airplanes, missiles, and rockets where strength, low weight, and resistance to high temperatures are important.

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As the ninth-most abundant element in the Earth's crust, titanium is relatively rare. Research shows the strong and lightweight metal only accounts for roughly 0.63% of the Earth's crust. With such little titanium available, it costs more to harvest and produce than other metals.

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Modern helicopter fuselages are built in forged, extruded sheet aluminum alloys held together using steel, titanium, and aluminum fasteners [135].

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Total reserves of anatase, ilmenite, and rutile are estimated to exceed 2 billion tonnes. The concentration of titanium is about 4 picomolar in the ocean. At 100 °C, the concentration of titanium in water is estimated to be less than 10-7 M at pH 7.

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We have suspended purchasing titanium from Russia. Our inventory and diversity of titanium sources provide sufficient supply for airplane production, Boeing said in an emailed statement.

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