JPS5573850A - Steel for line pipe with superior hydrogen-induced cracking resistance - Google Patents
Steel for line pipe with superior hydrogen-induced cracking resistanceInfo
- Publication number
- JPS5573850A JPS5573850A JP14688578A JP14688578A JPS5573850A JP S5573850 A JPS5573850 A JP S5573850A JP 14688578 A JP14688578 A JP 14688578A JP 14688578 A JP14688578 A JP 14688578A JP S5573850 A JPS5573850 A JP S5573850A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- hydrogen
- cracking resistance
- line pipe
- induced cracking
- 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.)
- Pending
Links
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
PURPOSE: To prevent occurrence of a hydrogen-induced crack in a steel of a certain compsn. by adding a specified amt. or more of acid-insol. nitrogen and oxygen to the steel to control penetration of atomic hydrogen into the steel.
CONSTITUTION: A steel contg. C 0.01W0.25%, Si 0.01W0.8%, Mn 0.2W2.5% Nb 0.005W0.10%, Ti 0.005W0.03% (Nb+10Ti>0.06%), Al 0.005W0.06%, P< 0.03%, S<0.03%, acid-insol. nitrogen 0.002W0.015% and oxygen 0.0015W0.01% or further contg. one or more out of Cu<0.5%, Ni<1.5%, Cr<0.5%, Mo<0.6%, V<0.1%, B<0.003%, a rare earth element <0.02% and Ca<0.003%. This steel has a property preventing penetration of atomic hydrogen formed by decomposition in the presence of wet hydrogen sulfide, and it is used as line pipe steel with superior hydrogen-induced cracking resistance.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14688578A JPS5573850A (en) | 1978-11-27 | 1978-11-27 | Steel for line pipe with superior hydrogen-induced cracking resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14688578A JPS5573850A (en) | 1978-11-27 | 1978-11-27 | Steel for line pipe with superior hydrogen-induced cracking resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5573850A true JPS5573850A (en) | 1980-06-03 |
Family
ID=15417768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14688578A Pending JPS5573850A (en) | 1978-11-27 | 1978-11-27 | Steel for line pipe with superior hydrogen-induced cracking resistance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5573850A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61157660A (en) * | 1984-12-28 | 1986-07-17 | Nisshin Steel Co Ltd | Nonageable cold rolled steel sheet for deep drawing and its manufacture |
| JPS61199054A (en) * | 1985-03-01 | 1986-09-03 | Nisshin Steel Co Ltd | Non-ageing galvanized sheet for deep drawing and its production |
| JPS62284043A (en) * | 1986-06-03 | 1987-12-09 | Nippon Kokan Kk <Nkk> | Steel excellent in sulfid stress corrosion cracking resistance in weld zone and its production |
| JPS62290847A (en) * | 1986-06-11 | 1987-12-17 | Nippon Kokan Kk <Nkk> | Steel having superior resistance to sulfide stress corrosion cracking and its manufacture |
| CN110108985A (en) * | 2019-05-29 | 2019-08-09 | 福州大学 | A kind of recognition methods of the power distribution network internal overvoltage based on Atomic Decomposition algorithm |
-
1978
- 1978-11-27 JP JP14688578A patent/JPS5573850A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61157660A (en) * | 1984-12-28 | 1986-07-17 | Nisshin Steel Co Ltd | Nonageable cold rolled steel sheet for deep drawing and its manufacture |
| JPH0250978B2 (en) * | 1984-12-28 | 1990-11-06 | Nisshin Steel Co Ltd | |
| JPS61199054A (en) * | 1985-03-01 | 1986-09-03 | Nisshin Steel Co Ltd | Non-ageing galvanized sheet for deep drawing and its production |
| JPS62284043A (en) * | 1986-06-03 | 1987-12-09 | Nippon Kokan Kk <Nkk> | Steel excellent in sulfid stress corrosion cracking resistance in weld zone and its production |
| JPH0543765B2 (en) * | 1986-06-03 | 1993-07-02 | Nippon Kokan Kk | |
| JPS62290847A (en) * | 1986-06-11 | 1987-12-17 | Nippon Kokan Kk <Nkk> | Steel having superior resistance to sulfide stress corrosion cracking and its manufacture |
| JPH0543766B2 (en) * | 1986-06-11 | 1993-07-02 | Nippon Kokan Kk | |
| CN110108985A (en) * | 2019-05-29 | 2019-08-09 | 福州大学 | A kind of recognition methods of the power distribution network internal overvoltage based on Atomic Decomposition algorithm |
| CN110108985B (en) * | 2019-05-29 | 2020-05-08 | 福州大学 | Method for identifying internal overvoltage of power distribution network based on atomic decomposition algorithm |
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