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.
Patent No.:
Date of Patent:
Dec. 12, 1978
Filed:
Apr. 14, 1977
Kaoru Horiuchi, Toride, JP;
Akio Matsui, Chiba, JP;
Masahiro Hara, Sakura, JP;
Hiroshi Takahashi, Funabashi, JP;
Kawasaki Jukogyo Kabushiki Kaisha, Kobe, JP;
Abstract
A low alloy cast steel consisting essentially of from 0.20 to 0.35% by weight of carbon, from 1.30 to 2.80% by weight of silicon, from 0.50 to 1.50% by weight of manganese, from 3.00 to 4.50% by weight of chromium, from 0.10 to 0.50% by weight of molybdenum, at least one element selected from titanium and zirconium, the sum of the titanium content and/or the zirconium content being between 0.03 and 0.10% by weight, and the balance essentially iron, has excellent mechanical properties, i.e., a hardness of Rockwell c 50 or higher and an impact value of 4 kg-m/cm.sup.2 or higher while being devoid of a rock-candy fracture due to the presence of aluminium nitride.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile