Harvey armour was taken up by all of the major navies, since 13 inches of Harvey armour offered the same protection as 15.5 inches of nickel-steel armour.

• 自从发现13英寸的哈维装甲可以够提供与15.；5英寸的镍金属装甲一样的防护能力，哈维装甲被使用于当时世界上所有的主要国家。