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Mannesmann Aktiengesellschaft

Giovanni Arvedi

Luciano Manini

Andrea Teodoro Bianchi

Fritz-Peter Pleschiutschnigg

Lothar Parschat

Giovanni Gosio

Ulrich Siegers

Harald Ludorff

Angelo Visigalli

Hans-Gunther Thurm

Mario Caldonazzo

An improved mould for the continuous casting of steel slabs having thickness in the range from 50-120 mm, particularly suitable to be rolled to thin strips, presents two large faces (F), each one having in horizontal cross section a concave or rectilinear central zone symmetrical with respect to each other, connected at both sides to the narrow faces (f) through concave-convex wide bends with respect to the internal part of the mould, without other lengths being parallel to opposite portions of the other face (F), besides to a possible central rectilinear length. the radiuses of the concave portion (r1) and of the convex portion (r2) are in a mutual ratio of a range from 0.6 to 1.4, these portions being preferably the same at each horizontal cross section of the mould and increasing downwards, while the depth (a) of the concavity decreases downwards, being possibly constant from a height (ybc) to the outlet section, but being preferably continuously decreasing along the whole length of the mould, with a residual depth &lE;5 mm at the outlet zone.

Contact mould for the continuous casting of steel slabs

Submerged nozzle for the continuous casting of thin slabs

Apparatus for the continuous casting of steel slabs, especially low thickness slabs at high speed, comprising a mold (1) fed by the submerged nozzle (2) and connected to an oscillator (3) driven by a hydraulic servocontrol, wherein the following geometrical relation is valid concerning both the mold and the submerged nozzle shapes and their mutual arrangement:

Apparatus for the high-speed continuous casting of good quality thin

Liquid-cooled ingot mold for the continuous casting of steel billets in

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Azzanello, Italy

Luciano Manini