Arcelormittal

Arcelormittal Investigacion Y Desarrollo, S.l.

Bertrand Orsal

Jean-Michel Mataigne

Luc Diez

Hubert Saint Raymond

An installation for continuous hot-dip coating of a metal strip is provided. The installation includes a tank containing a bath of molten metal, a metal strip running through the bath and a confined wiping device. The confined wiping device includes at least two wiping nozzles placed on each side of a path of the strip after the strip has left the bath of molten metal. Each nozzle has at least one gas outlet orifice and an upper face. The confined wiping device also includes a confinement box adjacent each upper face. The confinement boxes are open on a face which faces the strip. Each box includes at least one upper part and two lateral parts.

Process for manufacturing a coated metal strip of improved appearance

A hot-dip-coated, non-skin-passed, cold-rolled metal strip is provided. The metal coating of the metal strip includes a waviness Waof less than or equal to 0.70 &#x3bc;m, 0.2 to 8% by weight of aluminum and magnesium, and up to 0.3% by weight of additional elements, the balance being zinc and inevitable impurities. Metal parts are also provided.

Coated metal band having an improved appearance

A hot-dip-coated, non-skin-passed, cold-rolled metal strip is provided. The metal coating of the metal strip includes a waviness Waof less than or equal to 0.70 &#x3bc;m. Metal parts are also provided.

Coated metal strip having an improved appearance

One subject of the invention is a process for manufacturing a metal strip having a metal coating for corrosion protection, comprising the steps consisting in: Other subjects of the invention are a metal strip that can be obtained by this process and a metal part obtained by deforming this strip.

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Vineuil-Saint-Firmin, France

Bertrand Orsal