Method for producing a steel component which is provided with a corrosion-resistant metal coating, and steel component

US10704112B2 · kind B2 · utility

Assignees

• ThyssenKrupp Steel Europe AG · DE
• thyssenkrupp AG · DE

Inventors

• Bernd Schuhmacher · Dortmund, DE
• Christian Schwerdt · Duisburg, DE
• Axel Schrooten · Dortmund, DE
• Ralf Bause · Dortmund, DE

Key dates

• Filing date: May 4, 2015
• Grant date: Jul 7, 2020
• Expiry date: Jul 30, 2037

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C25D5/623
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A process for producing a steel component with a metallic, corrosion protection coating and very good mechanical properties may involve directly applying an iron-based alloy to a steel substrate. The iron-based alloy may contain 50-80% by weight of Fe, 0-30% by weight of Mg, 0-5% by weight of Al, 0-5% by weight of Ti, 0-10% by weight of Si, 0-10% by weight of Li, 0-10% by weight of Ca, 0-30% by weight of Mn, and a balance of Zn and unavoidable impurities. The steel substrate that has been coated with the iron-based alloy may then be subjected to hot forming in order to obtain the steel component. A metallic coating that protects against corrosion for steel components to be produced by the process of hot forming can be obtained.