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Tritanium ore

Melted tritanium on Minos

For similarly named materials, please see tritium, titanium, or trititanium.

Tritanium was an ore known to be 21.4 times as hard as diamond. It was found, among other places, on the planet Argus X. (TOS: "Obsession") The ability to melt tritanium was beyond Federation weapons technology in 2364. (TNG: "The Arsenal of Freedom")

During the autopsy of Hon-Tihl, the Klingon first officer of the IKS Toh'Kaht, in 2369, Doctor Bashir found tritanium alloy fragments in his chest and upper arms, but determined that they were not the cause of his death. (DS9: "Dramatis Personae")

According to the Star Fleet Medical Reference Manual (p. 19), the element tritanium, symbol Tn, atomic weight 323, atomic number 125, was discovered by the Federation on Argus X in 2161.

Uses of tritanium

Tritanium alloy was a widely-used construction material. The bulkheads of Enterprise were composed of tritanium. (ENT: "Dead Stop") It continued to be used in the 23rd century, when it was used in the Crossfield-class. (DIS: "Saints of Imperfection") In the 24th century, Federation starships, specifically Galaxy-class, Intrepid-class, and Raven-type, also had tritanium bulkheads. (TNG: "Where Silence Has Lease"; VOY: "Year of Hell, Part II", "The Raven", "Repentance")

The Erstwhile, a Class 9 cargo vessel, had a tritanium hull. (TNG: "The Outrageous Okona")

The hulls of Axanar cargo ships in the 2150s were composed of tritanium and disilicon polymers. (ENT: "Fight or Flight")

In the script for "Fight or Flight", the hull of an Axanar cargo vessel is instead referred to as containing ditanium, although this is changed to tritanium in the final version of the episode.

The hulls of Federation Type 6 shuttlecraft were composed of tritanium. A Class 2 shuttle's hull was also made from a tritanium alloy. (TNG: "Rascals"; VOY: "Threshold")

Tritanium was also used as a type of armor plating in assault skimmers. (DS9: "Business as Usual")

Federation EJ7 interlocks were composed of a tritanium compound. In 2369 Chief O'Brien's went missing and he found the remains in a power conduit alongside the organic remains of Ensign Aquino. Prior to this find, the computer located a tritanium source in the tool locker in level three. (DS9: "In the Hands of the Prophets")

The projectile fired from the TR-116 rifle was composed of tritanium. (DS9: "Field of Fire")

Borg tactical drones possessed a tritanium infrastructure, as did Borg cubes. (VOY: "Dark Frontier", "Endgame")

The detonator of a warhead in a firing range USS Voyager accidentally wandered into was protected by tritanium shielding. (VOY: "Human Error")

According to the script for "Business as Usual", this material's name as pronounced as "try-TAIN-ee-um". [1]
According to a line cut from "Encounter at Farpoint", tritanium, along with duraglass, were used in the construction of Federation space stations. [2]

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