EntityQ2668222· pop 10· linked from 324 articlesKrupp armorSign in to savesteel commonly used for warships in the early 20th centuryConnectionsInternational Standard Book NumberEntitychromiumEntityalloyEntityInternational Standard Serial NumberEntityacetyleneEntityhardnessEntitymineral oilEntityquenchingEntitytown gasEntityIowa-class battleshipEntityYamato-class battleshipEntitycapital shipEntitycarburizingEntitysuperheatingEntityFriedrich Krupp AGEntitycase hardeningEntitybelt armorEntityanti-torpedo bulgeEntityHarvey armorEntityrolled homogeneous armourEntityCategoriesKruppNaval armour