Title:
製油所プロセス炉用のアルミナ形成バイメタル管ならびに製造および使用方法
Document Type and Number:
Japanese Patent JP2014501620
Kind Code:
A
Abstract:
Provided is a bimetallic tube for transport of hydrocarbon feedstocks in refinery process furnaces, and more particularly in furnace radiant coils, including: i) an outer tube layer being formed from carbon steels or low chromium steels comprising less than 15.0 wt.% Cr based on the total weight of the steel; ii) an inner tube layer being formed from- an alumina forming bulk alloy including 5.0 to 10.0 wt.% of Al, 20.0 wt.% to 25.0 wt.% Cr, less than 0.4 wt.% Si, and at least 35.0 wt.% Fe with the balance being Ni, wherein the inner tube layer is formed plasma powder welding the alumina forming bulk alloy on the inner surface of the outer tube layer; and iii) an oxide layer formed on the surface of the inner tube layer.
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Inventors:
Changmin Chun
David Samuel Deutsch
Vance A. McRae
James E Feather
David Samuel Deutsch
Vance A. McRae
James E Feather
Application Number:
JP2013534985A
Publication Date:
January 23, 2014
Filing Date:
October 17, 2011
Export Citation:
Assignee:
EXXON RESEARCH AND ENGINEERING COMPANY
International Classes:
B23K35/30; B23K10/02; B23K31/00; C10G9/20; C21D1/76; C22C30/00; C22C30/02; C22C30/04; C22C38/00; C22C38/18
Domestic Patent References:
| JP2011524467A | 2011-09-01 | |||
| JP2008540842A | 2008-11-20 | |||
| JP2005506444A | 2005-03-03 | |||
| JPWO2005078148A1 | 2007-10-18 | |||
| JP2009521660A | 2009-06-04 | |||
| JPS5614582A | 1981-02-12 | |||
| JP2015507077A | 2015-03-05 | |||
| JP2001107833A | 2001-04-17 |
Foreign References:
| US20100015564A1 | 2010-01-21 |
Attorney, Agent or Firm:
Samejima Mutsumi
Kyousei Tamura
Keiichi
Yoshida Tamaki
Fukumasa Mitsuru
Kyousei Tamura
Keiichi
Yoshida Tamaki
Fukumasa Mitsuru