Title:
A steel plate provided with the alloying hot-dip-galvanizing layer excellent in plating wettability and plating adhesion nature, and its manufacturing method
Document Type and Number:
Japanese Patent JP5907221
Kind Code:
B2
Abstract:
A steel sheet which uses steel sheet which contains the easily oxidizable elements Si and Mn as a base material and which is provided with a hot dip galvanized layer which is excellent in plating wettability and plating adhesion and a method of production of the same are provided. A hot dip galvanized steel sheet which is comprised of a steel sheet having a hot dip galvanized layer A on the surface of the steel sheet, characterized by having the following B layer right under the steel sheet surface and in the steel sheet:
B layer: Layer which has thickness of 0.001 µm to 0.5 µm, which contains, based on mass of the B layer, one or more of Fe, Si, Mn, P, S, and Al oxides in a total of less than 50 mass%, which contains C, Si, Mn, P, S, and Al not in oxides in C: less than 0.05 mass%, Si: less than 0.1 mass%, Mn: less than 0.5 mass%, P: less than 0.001 mass%, S: less than 0.001 mass%, and Al: less than 0.005 mass% and which contains Fe not in oxides in 50 mass% or more.
Inventors:
Fujita Soushi
Shintaro Yamanaka
Koichi Sato
Shintaro Yamanaka
Koichi Sato
Application Number:
JP2014173185A
Publication Date:
April 26, 2016
Filing Date:
August 27, 2014
Export Citation:
Assignee:
Nippon Steel & Sumitomo Metal Corporation
International Classes:
C23C2/06; C21D1/34; C21D1/74; C21D1/76; C21D9/46; C21D9/56; C22C38/00; C22C38/06; C22C38/58; C23C2/02; C23C2/28; C23C2/40
Domestic Patent References:
| JP2009068041A | ||||
| JP2008144264A | ||||
| JP8170159A | ||||
| JP2010126757A |
Foreign References:
| WO2010061954A1 |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Yoshihiro Kobayashi
Satoshi Deno
Takashi Ishida
Tetsuji Koga
Yoshihiro Kobayashi
Satoshi Deno