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Centro Sperimentale Metallurgico S.p.a.

Terni Societa Per L'industria E L'elettricita S.p.a.

Alessandro Ferretti

Gerald Hohenbichler

Romeo Capotosti

Maurizio Podrini

Pietro Tolve

Giancarlo Di Schino

A cooling roll having superficial dimples, for continuous casting machines with a pair of counterotating rolls in contact with the cast metal is characterized by the fact that it presents the surface that comes to contact with the cast metal provided with a first and a second dimensional order of cavities ( ) randomly spaced, and optionally, at least partially in contact between them; the strickle impressed on the roll surface ( ) of each cavity ( ) of at least one of said first and second dimensional order being of polygonal or circular shape and, more preferably rhomboidal.

Surface of a cooling roll for continuous casting machines

A submerged continuous casting nozzle consists of a tubular element having an axial passage terminating in an end part having terminal conduits extending laterally and downwardly from the vertical axis of the nozzle. The lower end of each of these terminal discharge conduits has a lip protruding toward the axis of the associated conduit, this lip having a height between 0.3 and 0.6 times the diameter of the outflow port. The lip makes an angle of about 90.degree. with the axis of the associated terminal conduit.

Continuous casting nozzle

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Rome, Italy

Alessandro Ferretti