Steel Smithing
Steel Smithing is a metallurgy technology associated with 
Jack.
Requirement
Section titled “Requirement”The technology definition lists 70 reputation with Jack as its parent requirement.
Technology point cost
Section titled “Technology point cost”The listed cost is 120 red and 15 blue technology points, with no green point cost.
Unlocks
Section titled “Unlocks”
The unlock list contains Steel Detail, Steel Screws and construction of Steel Anvil.
Steel Casting lists this technology as a prerequisite.