Steel
Steel was a type of metal used in construction, which was known to be very strong. (TV: The Android Invasion [+]Loading...["The Android Invasion (TV story)"], Arachnids in the UK [+]Loading...["Arachnids in the UK (TV story)"])
Material
Molybdenum was used as an alloy in steel. (TV: The Sensorites [+]Loading...["The Sensorites (TV story)"])
Types of steel included:
- Tungsten steel, (TV: The Power of the Daleks [+]Loading...["The Power of the Daleks (TV story)"])
- Chrome steel, (TV: The Wheel in Space [+]Loading...["The Wheel in Space (TV story)"]) and
- Photafine steel. (TV: Planet of the Dead [+]Loading...["Planet of the Dead (TV story)"])
History
Draconian swords were made from the finest steel in their galaxy. (COMIC: The Warrior's Story)
Steel was a part of the construction of Icarus Falling's bulkheads. (COMIC: Fire and Brimstone)
The hull of the Octopus Rock was made of seven inches of steel. (AUDIO: Submission)
The Cybermen created by John Lumic, the owner of Cybus Industries were constructed of bulletproof steel. (TV: The Age of Steel)
In 1991, three inches of steel lined every wall of the Cabinet Room inside 10 Downing Street. (TV: World War Three)
The Thirteenth Doctor melted some spoons and used the steel to construct her sonic screwdriver. (TV: The Woman Who Fell to Earth)