British Official Armour Specification
The British Official Armour Specification is a set of standards for armour construction for armoured fighting vehicles, including tanks, during the late Interwar Period and into World War II.
Standards list
Standards applicable to British List of [World War II tanks|tanks of World War II] are as follows:- I.T.60: Face-hardened 7 to 12 mm steel plate.
- I.T.70: Thin homogeneous hard 3 to 30 mm plate.
- I.T.80: Thick homogeneous-machineable 15 mm and greater plate.
- I.T.90: Cast armour of all thicknesses.
- I.T.100: Thin homogeneous-machineable 3 to 14 mm plate.
- I.T.110: Carbon manganese steel backing plate.
Resources
Armour Specification
Category:Military [history of the United Kingdom during World War II]
Category:World [War II tanks of the United Kingdom|Armour Specification]