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:
Aug. 08, 2017

Filed:

Nov. 09, 2011
Applicants:

Dong-hyun Kim, Pohang-si, KR;

You-hwan Lee, Pohang-si, KR;

Woo-gi Shin, Pohang-si, KR;

Inventors:

Dong-Hyun Kim, Pohang-si, KR;

You-Hwan Lee, Pohang-si, KR;

Woo-Gi Shin, Pohang-si, KR;

Assignee:

POSCO, Pohang-si, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 41/02 (2006.01); C21D 8/06 (2006.01); C21D 8/12 (2006.01); C22C 38/00 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); H01F 1/14 (2006.01); B21C 1/00 (2006.01); H01F 1/01 (2006.01); C22C 38/02 (2006.01);
U.S. Cl.
CPC ...
H01F 41/02 (2013.01); B21C 1/00 (2013.01); C21D 8/06 (2013.01); C21D 8/065 (2013.01); C21D 8/12 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); H01F 1/01 (2013.01); H01F 1/143 (2013.01);
Abstract

A wire rod and steel wire having superior magnetic characteristics and a method for manufacturing same, wherein the wire rod and the steel wire can be used in transformers, vehicles, electric or electronic products, or the like which require low iron loss and high permeability. Provided are a wire rod and steel wire having superior magnetic characteristics and a method for manufacturing same, wherein the wire rod or the steel wire comprises, by wt %, 0.03 to 0.05% of C, 3.0 to 5.0% of Si, 0.1 to 2.0% of Mn, 0.02 to 0.08% of Al, 0.0015 to 0.0030% of N, and the remainder being Fe and unavoidable impurities. The wire rod and steel wire having directional properties may be provided by a general manufacturing process without using expensive alloying elements and without having to add a manufacturing facility.


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