Steel component provided with a metallic coating giving protection against corrosion

US10053752B2 · kind B2 · utility

Assignee

• ThyssenKrupp Steel Europe AG · DE

Inventors

• Patrick Kuhn · Kamen, DE
• Manfred Meurer · Rheinberg, DE
• Jens Kondratiuk · Buchs, CH
• Wilhelm Warnecke · Hamminkeln, DE
• Werner Schuler · Winden im Elztal, DE

Key dates

• Filing date: Feb 18, 2016
• Grant date: Aug 21, 2018
• Expiry date: May 6, 2036

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/12958
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A steel component having a steel substrate containing 0.3-3 wt.-% manganese, and an anti-corrosion coating applied to the steel substrate including a coating layer having at least 70 mass-% α-Fe(Zn,Ni) mixed crystal, the remainder being intermetallic compounds of Zn, Ni and Fe, and which has at its free surface a Mn-containing layer in which the Mn is present in metallic or oxidic form.