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:
Oct. 25, 2011
Filed:
Oct. 02, 2008
Hidenori Nako, Kobe, JP;
Hiroyuki Takeda, Kobe, JP;
Yoshitomi Okazaki, Kobe, JP;
Kazuyuki Suenaga, Fujisawa, JP;
Kohjiroh Nakanishi, Fujisawa, JP;
Hidenori Nako, Kobe, JP;
Hiroyuki Takeda, Kobe, JP;
Yoshitomi Okazaki, Kobe, JP;
Kazuyuki Suenaga, Fujisawa, JP;
Kohjiroh Nakanishi, Fujisawa, JP;
Kobe Steel, Ltd., Kobe-shi, JP;
Abstract
It is an object of the present invention to provide a similar composition metal type welding solid wire capable of forming a welded joint having excellent cryogenic characteristics, such as ensuring a low-temperature toughness equivalent to that of the cryogenic base metal, and in addition, further having a high crack initiation resistance, and a weld metal thereof. The welding solid wire of the present invention is an iron base welding solid wire including carbon: 0.10 mass % or less (not inclusive of 0%), silicon: 0.15 mass % or less (not inclusive of 0%), nickel: 8.0 to 15.0 mass %, manganese: 0.10 to 0.80 mass %, and Al: 0.1 mass % or less (not inclusive of 0%), and oxygen in an amount of 150 ppm or less (inclusive of 0), characterized by including: a REM: 0.005 to 0.040 mass %, or chromium: 4.0 mass % or less (not inclusive of 0%).