JPS55158255A - Line pipe steel with superior wet carbon dioxide corrosion resistance and weldability - Google Patents
Line pipe steel with superior wet carbon dioxide corrosion resistance and weldabilityInfo
- Publication number
- JPS55158255A JPS55158255A JP6538979A JP6538979A JPS55158255A JP S55158255 A JPS55158255 A JP S55158255A JP 6538979 A JP6538979 A JP 6538979A JP 6538979 A JP6538979 A JP 6538979A JP S55158255 A JPS55158255 A JP S55158255A
- Authority
- JP
- Japan
- Prior art keywords
- corrosion resistance
- steel
- weldability
- line pipe
- carbon dioxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
PURPOSE: To provide a line pipe steel having high corrosion resistance to wet CO2, superior weldability and a weld crack sensitivity index regulated to a low value and contg. C, Si, Mn, Cr, Nb, Al, B and N each in a predetermined percentage other than the balance Fe and impurities.
CONSTITUTION: This steel is composed of C≤0.10%, Si 0.10W1.00%, Mn 0.10W 1.20%, Cr 1.0W3.0%, Nb 0.01W0.08%, Al 0.01W0.10%, B 0.0002W0.0050%, N 0.0010W0.015%, and the balance Fe and impurities. The ratio of B/N (content) is regulated to 0.1W0.6, and S and Cu among the impurities to S≤0.010% and Cu≤ 0.04%. In addition, the weld crack sensitivity index PCM of this steel represented by the equation is regulated to 0.23% or less. This steel has high sulfide crack resistance as well as the above-mentioned characteristics.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6538979A JPS5945750B2 (en) | 1979-05-25 | 1979-05-25 | Steel for line pipes with excellent wet carbon dioxide corrosion resistance and weldability |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6538979A JPS5945750B2 (en) | 1979-05-25 | 1979-05-25 | Steel for line pipes with excellent wet carbon dioxide corrosion resistance and weldability |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12952384A Division JPS6024352A (en) | 1984-06-22 | 1984-06-22 | Steel for line pipe with superior corrosion resistance to wet gaseous carbon dioxide and superior weldability |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55158255A true JPS55158255A (en) | 1980-12-09 |
JPS5945750B2 JPS5945750B2 (en) | 1984-11-08 |
Family
ID=13285576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6538979A Expired JPS5945750B2 (en) | 1979-05-25 | 1979-05-25 | Steel for line pipes with excellent wet carbon dioxide corrosion resistance and weldability |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5945750B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102199736A (en) * | 2010-03-23 | 2011-09-28 | 宝山钢铁股份有限公司 | High-strength and anti-CO2/H2S corrosion seamless gathering-line pipe |
CN104498836A (en) * | 2014-12-22 | 2015-04-08 | 湖北长江石化设备有限公司 | Corrosion-resistant rare earth alloy steel |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62167647A (en) * | 1986-01-20 | 1987-07-24 | Matsushita Electric Ind Co Ltd | Cassette discriminator |
-
1979
- 1979-05-25 JP JP6538979A patent/JPS5945750B2/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102199736A (en) * | 2010-03-23 | 2011-09-28 | 宝山钢铁股份有限公司 | High-strength and anti-CO2/H2S corrosion seamless gathering-line pipe |
CN104498836A (en) * | 2014-12-22 | 2015-04-08 | 湖北长江石化设备有限公司 | Corrosion-resistant rare earth alloy steel |
CN104498836B (en) * | 2014-12-22 | 2016-06-08 | 湖北长江石化设备有限公司 | A kind of corrosion-proof rare earth steel alloy |
Also Published As
Publication number | Publication date |
---|---|
JPS5945750B2 (en) | 1984-11-08 |
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