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 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.
See also
- List of tanks of the United Kingdom
- List of World War II tanks
- Tanks of the United Kingdom by period
Resources
- Thomas L. Jentz (1998). Tank Combat in North Africa: The Opening Rounds. Schiffer Military History. ISBN 0-7643-0226-4.
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