British Official Armour Specification
From Wikipedia, the free encyclopedia
The British Official Armour Specification is a set of standards for armour construction for armoured fighting vehicles prior to and into World War II.
Standards applicable to British tanks of World War II are as follows:
- I.T.60: Face-hardened 7 to 12 mm 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.
[edit] Resources
Thomas L. Jentz (1998). Tank Combat in North Africa: The Opening Rounds. Schiffer Military History. ISBN 0-7643-0226-4.
