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:
Jan. 02, 2018

Filed:

Dec. 06, 2014
Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Motors Corporation, Seoul, KR;

Inventors:

Bo-Kyung Sa, Kwangju, Kyounggi-do, KR;

Ho-Chul Shin, Suwon, Kyounggi-do, KR;

Jung-Suk Lee, Yongin, Kyounggi-do, KR;

Assignees:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/50 (2006.01); C22C 38/46 (2006.01); C22C 38/44 (2006.01); C21D 9/00 (2006.01); C21D 8/00 (2006.01); F16B 33/00 (2006.01); C21D 8/06 (2006.01); C21D 6/00 (2006.01); C22C 38/04 (2006.01); C22C 38/02 (2006.01); C22C 38/00 (2006.01);
U.S. Cl.
CPC ...
C21D 9/0093 (2013.01); C21D 6/004 (2013.01); C21D 8/065 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/44 (2013.01); C22C 38/46 (2013.01); C22C 38/50 (2013.01); F16B 33/00 (2013.01);
Abstract

Disclosed are a heat-resistant alloy used in a heat-resistant bolt and the like for fastening high temperature parts of an engine in a vehicle and the like, and a method of manufacturing a heat-resistant bolt using the heat-resistant alloy. Particularly, the austenitic heat-resistant alloy includes, based on a total weight of the heat-resistant alloy, carbon (C) in an amount of about 0.01 to about 0.08 wt %, silicon (Si) in an amount of about 0.01 to about 1.00 wt %, manganese (Mn) in an amount of about 0.01 to about 2.00 wt %, nickel (Ni) in an amount of about 17 to about 22 wt %, titanium (Ti) in an amount of about 2.7 to about 3.2 wt %, chromium (Cr) in an amount of about 11 to 16 wt %, molybdenum (Mo) in an amount of about 0.3 to about 1.0 wt %, vanadium (V) in an amount of about 0.1 to about 0.4 wt %, and a remainder of iron (Fe) and optionally an inevitable impurity.


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