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:
Apr. 23, 2019

Filed:

Dec. 24, 2013
Applicant:

Posco, Pohang-si, KR;

Inventors:

Hong-Chul Jeong, Pohang-si, KR;

Dong-Ryeol Lee, Pohang-si, KR;

Geug Kim, Pohang-si, KR;

Assignee:

POSCO, Pohang-si, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 38/42 (2006.01); C22C 38/44 (2006.01); C22C 38/54 (2006.01); C22C 38/58 (2006.01); B23K 35/30 (2006.01); C22C 38/08 (2006.01); C22C 38/18 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/06 (2006.01); C22C 38/46 (2006.01); C22C 38/48 (2006.01); C22C 38/50 (2006.01); B23K 9/173 (2006.01);
U.S. Cl.
CPC ...
C22C 38/58 (2013.01); B23K 35/3066 (2013.01); B23K 35/3073 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/06 (2013.01); C22C 38/08 (2013.01); C22C 38/18 (2013.01); C22C 38/42 (2013.01); C22C 38/44 (2013.01); C22C 38/46 (2013.01); C22C 38/48 (2013.01); C22C 38/50 (2013.01); C22C 38/54 (2013.01); B23K 9/173 (2013.01);
Abstract

Provided is an ultrahigh-strength gas metal arc welded joint having a high degree of impact toughness. The ultrahigh-strength gas metal arc welded joint comprises, by wt %, carbon (C): 0.05% to 0.1%, silicon (Si): 0.2% to 0.7%, manganese (Mn): 1.5% to 2.5%, nickel (Ni): 2.0% to 3.5%, chromium (Cr): 0.3% to 0.9%, copper (Cu): 0.1% to 0.3%, molybdenum (Mo): 0.5% to 0.8%, titanium (Ti): 0.02% to 0.04%, boron (B): 0.002% to 0.005%, aluminum (Al): 0.001% to 0.03%, nitrogen (N): 0.002% to 0.007%, phosphorus (P): 0.03% or less, sulfur (S): 0.03% or less, oxygen (O): 0.02% to 0.05%, and a balance of iron (Fe) and other inevitable impurities, satisfying 0.4≤Ti/O≤1.2., 2.8≤Ti/N≤9.0, 10≤(2Ti+5B)/N≤20, and 3.5≤Mn+2Cr+3Mo+3Cu≤7.5.


Find Patent Forward Citations

Jeong, Hong-Chul. (2019). Ultrahigh-strength gas metal arc welded joint having excellent impact toughness, and solid wire for producing same (U.S. Patent No. 10266929). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10266929

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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