Patent · US Active

Non-scaling heat-treatable steel and method for producing a non-scaling component from said steel

US10822681B2 · kind B2 · utility

4Cited by

18References

4Claims

0Family size

Assignee

Salzgitter Flachstahl GmbH · DE

Inventors

Joachim Schöttler · Braunschweig, DE
Friedrich Luther · Gehrden, DE
Stefan Mütze · Hannover, DE

Key dates

Filing date	Apr 20, 2018
Grant date	Nov 3, 2020
Priority date	—
Expiry date	Jun 4, 2038

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49991
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A non-scaling heat-treatable steel with particular suitability for producing hardened or die-hardened components is disclosed, characterized by the following chemical composition in % by weight: C 0.04-0.50; Mn 0.5-6.0; Al 0.5-3.0; Si 0.05-3.0; Cr 0.05-3.0; Ni less than 3.0; Cu less than 3.0; Ti 0.0104-≤0.050; B 0.0015-≤40.0040; P less than 0.10; S less than 0.05; N less than 0.020; remainder iron and unavoidable impurities. Further disclosed is a method for producing a non-scaling hardened component from the steel and a method for producing a hot strip from a steel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.