The initial manufacturing of Krupp armour was very similar to Harveyized armour; however, while the Harvey process generally used nickel-steel, the Krupp process added as much as 1% chromium to the alloy for additional hardness.
ðɪ ɪnˈɪʃəl mˌænjuːfˈæktʃɚɹɪŋ ʌv kɹˈʌp ˈɑːɹmɚ wʌz vˈɛɹi sˈɪmɪlɚ tə hˈɑːɹvaɪˌaɪzd ˈɑːɹmɚ; haʊˈɛvɚ, wˌaɪl ðə hˈɑːɹvi pɹˈɑːsɛs dʒˈɛnɚɹəli jˈuːzd nˈɪkəlstˈiːl, ðə kɹˈʌp pɹˈɑːsɛs ˈædᵻd æz mˈʌtʃ æz wˈʌn pɚsˈɛnt kɹˈoʊmiəm tə ðɪ ˈælɔɪ fɔːɹ ɐdˈɪʃənəl hˈɑːɹdnəs.