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The Krupp steelworks, or Krupp foundry, or Krupp cast steel factory (German: Krupp-Gussstahlfabrik [Guss+stahl+fabrik]) in Essen is a historic industrial site of the Ruhr area of North Rhine-Westphalia in western Germany that was known as the "weapons forge of the German Reich" (Waffenschmiede des Deutschen Reiches).
Krupp Steel Works of Essen, Germany, manufactured the spherical pressure chamber of the dive vessel Trieste, [14] the first vessel to take humans to the deepest known point in the oceans, accomplished in 1960. This was a heavy duty replacement for the original pressure sphere (made in Italy by Acciaierie Terni) and was manufactured in three ...
At the Krupp steelworks, this led to expanding the Ring Kanonen system with the 30.5 cm RK L/22 and the 35.5 cm MRK L/22.5 coastal gun. [7] The change from the Ring Kanone construction to the stronger barrels of the Mantel Ring Kanone started in 1875. [8] It led to the 30.5 cm MRK L/22, which was problematic at first.
Krupp took over production, including at the Molotov steel works near Kharkov and Kramatorsk in eastern Ukraine, and at mines supplying the iron, manganese, and chrome vital for steel production. The battle of Stalingrad in 1942 convinced Krupp that Germany would lose the war, and he secretly began liquidating 200 million Marks in government bonds.
The Krupp steelworks was one of the few companies capable of making crucible steel.It used this cast steel to make castings from which steel gun barrels were forged. [3] In the 1860s, Krupp's ability to make the big high quality casts required for big guns was unique.
The Krupp night decoy site Kruppsche Nachtscheinanlage was a German decoy-site of the Krupp steelworks in Essen. It was designed to divert Allied night airstrikes in the bombing of Essen in World War II from the actual production site of the arms factory.
Also in 1874, the German Admiralty considered the possibility of arming the projected Ausfallschiffe (small battleships for home waters) with the 30.5 cm Ring Kanone that Krupp had made in 1873. [11] In 1874 Germany then ordered three 30.5 cm RK L/22 at Krupp. [12] Krupp then offered a gun for a test against armor that took place on 7 July 1875 ...
The Krupp steelworks in particular was an important industrial target, but Essen in general was a "primary target" designated for area bombing by the February 1942 British Area bombing directive. As part of the campaign in 1943 known as the Battle of the Ruhr, Essen was a "regular target".