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:
Oct. 17, 2017

Filed:

May. 08, 2014
Applicant:

Komatsu Ltd., Tokyo, JP;

Inventors:

Eiji Amada, Kyotanabe, JP;

Kazuo Maeda, Takatsuki, JP;

Takeji Kajiura, Isehara, JP;

Assignee:

KOMATSU LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D 55/18 (2006.01); C22C 38/44 (2006.01); B62D 55/26 (2006.01); B62D 55/08 (2006.01); B62D 55/20 (2006.01); B62D 55/21 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/08 (2006.01); C22C 38/12 (2006.01); C22C 38/06 (2006.01); C22C 38/46 (2006.01); C22C 38/50 (2006.01); C22C 38/52 (2006.01); C21D 1/18 (2006.01); C21D 9/00 (2006.01); C22C 38/54 (2006.01); C22C 38/48 (2006.01);
U.S. Cl.
CPC ...
C22C 38/44 (2013.01); B62D 55/08 (2013.01); B62D 55/20 (2013.01); B62D 55/21 (2013.01); B62D 55/26 (2013.01); C21D 1/18 (2013.01); C21D 9/0087 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/08 (2013.01); C22C 38/12 (2013.01); C22C 38/46 (2013.01); C22C 38/50 (2013.01); C22C 38/52 (2013.01); C21D 9/00 (2013.01); C21D 2221/00 (2013.01); C22C 38/48 (2013.01); C22C 38/54 (2013.01);
Abstract

A steel for a tracked undercarriage component is used as a material constituting a track link (), for example, and contains: not less than 0.39% by mass and not more than 0.45% by mass of carbon, not less than 0.2% by mass and not more than 1.0% by mass of silicon, not less than 0.10% by mass and not more than 0.90% by mass of manganese, not less than 0.002% by mass and not more than 0.005% by mass of sulfur, not less than 0.1% by mass and not more than 3.0% by mass of nickel, not less than 0.70% by mass and not more than 1.50% by mass of chromium, and not less than 0.10% by mass and not more than 0.60% by mass of molybdenum, with the balance made of iron and unavoidable impurities.


Find Patent Forward Citations

Loading…