Slab (casting)

As a slab, a block of cast steel, aluminum or copper is known, the width and length which is a multiple of its thickness. Slabs are produced by casting and rolling and, if necessary, are the starting material for sheets and strips.

The original, now applied only for special materials method of producing slabs, is the casting in falling or rising cast in stationary molds. The cast slabs have a conical shape, otherwise ( "stripped" ), the mold can not be removed. Subsequently, these slab can be transferred by rolling Block-/Brammenwalzwerken in a prismatic shape, the so-called rolling slabs.

Today slabs are usually made by cutting the continuous strand that arises in the continuous casting process.

The dimensions of a slab can be adjusted to the dimensions of the desired product. For bands corresponding to their width approximately to the width, since the slab is rolled along. The thickness and length of the desired weight of the band -dependent. After casting, a change in the extent is only possible in the longitudinal and transverse direction. In the longitudinal direction, a change in length typically is a Abbrennmaschine achieved by burning off or cut with a Trennscheibensäge.

The length of slabs for heavy plates is limited by the width of the ball plate mills, since the slab is transversely pierced and rolled into the first stitch on the required plate width. Then it is turned 90 ° and rolled to the desired thickness.

Through their raw and massive appearance itself slabs are also suitable as an industrial monument. In the Ruhr area are two slabs used as minimalist sculptures, namely the " Slab for the Ruhr " on the Schurenbachhalde in Essen and " Rheinorange " at the mouth of the Ruhr and the Rhine at Duisburg.

Transport a slab, VEB steel and rolling mill Brandenburg -Havel, 1952

The Slab for the Ruhr on the Schurenbachhalde

The sculpture Rheinorange in Duisburg

Slabs at ArcelorMittal Eisenhüttenstadt

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