Title:
STEEL MATERIAL FOR CRUDE OIL TANK WITH EXCELLENT CORROSION RESISTANCE, AND CRUDE OIL TANK
Document Type and Number:
Japanese Patent JP2014201760
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a steel material for a crude oil tank which has excellent whole surface corrosion resistance on a top plate of a crude oil tank such as a tanker oil tank part and excellent local corrosion resistance on a bottom plate of the crude oil tank.SOLUTION: A steel material for a crude oil tank has a chemical composition comprising, in mass%, C: 0.03-0.18%, Si: 0.03-1.50%, Mn: 0.1-2.0%, P: 0.025% or less, S: 0.010% or less, Al: 0.005-0.10%, N: 0.008% or less, and Co: 0.001-0.5%, and one or two selected from W: 0.01-1.0% and Mo: 0.01-0.5%, with the balance being Fe and inevitable impurities.
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Inventors:
TSURI YUKIO
KOMORI TSUTOMU
KOMORI TSUTOMU
Application Number:
JP2013076274A
Publication Date:
October 27, 2014
Filing Date:
April 01, 2013
Export Citation:
Assignee:
JFE STEEL CORP
International Classes:
C22C38/00; B65D88/12; C22C38/12; C22C38/58
Domestic Patent References:
| JP2007177302A | 2007-07-12 | |||
| JP2007177301A | 2007-07-12 | |||
| JP2009127076A | 2009-06-11 | |||
| JP2007046148A | 2007-02-22 | |||
| JP2009046750A | 2009-03-05 |
Foreign References:
| EP2520680A2 | 2012-11-07 |
Attorney, Agent or Firm:
Kenji Sugimura
Kengo Yoshida
Kengo Yoshida