A process practiced by Friedrich Krupp, Essen, Germany, for cleansing pig iron, varying through the Bell process in making use of manganese and iron-oxide, and performed in a Pernot furnace. Called in addition the Bell-Krupp procedure.
A process for manufacture of metallic armor plates, invented or practiced by Krupp, the facts which are secret. It's grasped to involve the addition of chromium in addition to nickel to your material, also to add a treatment like that regarding the Harvey procedure with unidentified variants or additions. This product is discussed by some writers, as improved Harvey, or Harvey-Krupp armor plate.