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Ronald Kefferstein

Usinor

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Publication

Featured researches published by Ronald Kefferstein.

Archive | 2001

Process for the manufacture of a part with very high mechanical properties, formed by stamping of a strip of rolled steel sheet and more particularly hot rolled and coated

Ronald Kefferstein; Xavier Jartoux

Archive | 2001

Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch Tiefziehen, aus gewalztem insbesondere warmgewalztem und beschichtetem Stahlblech

Ronald Kefferstein; Xavier Jartoux

Archive | 2001

METHOD OF MANUFACTURING FORMED COMPONENT HAVING VERY HIGH MECHANICAL PROPERTY BY STANDING FROM COVERED ROLLED STEEL SHEET, IN PARTICULAR, COVERED HOT-ROLLED STEEL STRIP

Xavier Jartoux; Ronald Kefferstein; グザビエ・ジヤルトウ; ロナルド・ケフエルスタイン

Archive | 2001

Procédé de réalisation d'une pièce à très hautes caractéristiques mécaniques, mise en forme par emboutissage, à partir d'une bande de tôle d'acier laminée et notamment laminée à chaud et revêtue

Ronald Kefferstein; Xavier Jartoux

Archive | 2000

Treatment composition based on pregelatinised starch and process for applying on a metallic surface , in particular steel

Ronald Kefferstein; Lothaire Scherer

Archive | 2000

Treatment composition based on pregelatinized starch and process for applying it to a metal, especially steel, surface

Ronald Kefferstein; Lothaire Scherer

Archive | 2001

Process for producing a piece with very high-level mechanical characteristics, formed by drawing, from a strip of laminated steel plate, hot rolled and coated

Ronald Kefferstein; Xavier Jartoux

Archive | 2001

Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch Tiefziehen, aus gewalztem insbesondere warmgewalztem und beschichtetem Stahlblech A method for manufacturing a component with very good mechanical properties, forming by pressing, especially from rolled hot rolled and coated sheet steel

Ronald Kefferstein; Xavier Jartoux

Archive | 2001

A method for manufacturing a device having very good mechanical properties, forming by deep drawing, made of rolled, in particular hot rolled, and coated steel sheet

Ronald Kefferstein; Xavier Jartoux

Archive | 2001

Method of manufacturing a piece provided with high mechanical properties, formed by drawing, from rolled steel sheet, in particular hot rolled sheet and provided with a coating

Ronald Kefferstein; Xavier Jartoux

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