The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 03, 2020

Filed:

Apr. 20, 2018
Applicant:

Salzgitter Flachstahl Gmbh, Salzgitter, DE;

Inventors:

Joachim Schöttler, Braunschweig, DE;

Friedrich Luther, Hannover, DE;

Stefan Mütze, Hannover, DE;

Assignee:

SALZGITTER FLACHSTAHL GMBH, Salzgitter, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/00 (2006.01); C22C 38/58 (2006.01); C21D 1/74 (2006.01); C21D 8/02 (2006.01); C21D 9/08 (2006.01); C21D 9/52 (2006.01); C21D 1/18 (2006.01); C21D 1/34 (2006.01); B22D 11/06 (2006.01); B21B 1/46 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/20 (2006.01); C22C 38/28 (2006.01); C22C 38/32 (2006.01); C22C 38/34 (2006.01); C22C 38/38 (2006.01); C22C 38/42 (2006.01); C22C 38/50 (2006.01); C22C 38/54 (2006.01); B22D 11/12 (2006.01); B22D 11/126 (2006.01);
U.S. Cl.
CPC ...
C22C 38/58 (2013.01); B21B 1/466 (2013.01); B22D 11/0631 (2013.01); C21D 1/18 (2013.01); C21D 1/34 (2013.01); C21D 1/74 (2013.01); C21D 8/0226 (2013.01); C21D 9/08 (2013.01); C21D 9/52 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/20 (2013.01); C22C 38/28 (2013.01); C22C 38/32 (2013.01); C22C 38/34 (2013.01); C22C 38/38 (2013.01); C22C 38/42 (2013.01); C22C 38/50 (2013.01); C22C 38/54 (2013.01); B22D 11/1206 (2013.01); B22D 11/126 (2013.01); C21D 2211/001 (2013.01); C21D 2241/00 (2013.01); Y10T 29/49991 (2015.01);
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.


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