A high-hardness armour 3 to 40 mm thick, this is used for lightweight armoured vehicles such as the Alvis Vehicles Simba. It is manufactured from 1.5 per cent Cr-Mo steel, 500 HB hard armour and is produced in plate sizes up to a maximum 3 m wide and 8 m long. It can be supplied in the rectangular, profiled and/or finished machined condition with both of the last two conditions including full edge preparation, flattening and bending as required. Plates up to 40 mm thickness are supplied to a hardness range of 470/530 HB in the centre of the plate thickness.