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)