JPS57120652A - High strength tough steel for pressure vessel - Google Patents
High strength tough steel for pressure vesselInfo
- Publication number
- JPS57120652A JPS57120652A JP569081A JP569081A JPS57120652A JP S57120652 A JPS57120652 A JP S57120652A JP 569081 A JP569081 A JP 569081A JP 569081 A JP569081 A JP 569081A JP S57120652 A JPS57120652 A JP S57120652A
- Authority
- JP
- Japan
- Prior art keywords
- strength
- steel
- increases
- high strength
- pressure vessel
- 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
Landscapes
- Pressure Vessels And Lids Thereof (AREA)
Abstract
PURPOSE: To obtain a steel having both high strength, especially superior strength characteristics at high temp. and superior toughness by adding Cr to an Mn-1/2Mo steel or further adding Cu and Ni.
CONSTITUTION: This steel consists of, by wt., 0.07W0.22% C, 0.05W0.50% Si, 1.00W1.60% Mn, 0.10W1.00% Cr, 0.45W0.60% Mo, 0.005W0.100% sol. Al and the balance Fe with inevitable impurities or further contains 0.10W0.50% Cu and/ or 0.10W1.00% Ni. Cr increases the hardenability during normalizing to improve the toughess, and it inhibits Fe3C from coarsening during annealing to minimize the embrittlement. The lower and upper limits of Cr are decided with respect to the effect and the weldability, respectively. Cu and Ni enhance the strength furthermore, the lower limit or more of Cu prevents the strength from being reduced during annealing, and the lower limit or more Ni increases the hardenability during normlizing to enhance the strength and toughness. More than the upper limit of Cu tends to, however, cause surface cracking, and more than the upper limit of Ni increases the cost.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP569081A JPS6035985B2 (en) | 1981-01-16 | 1981-01-16 | High strength steel for pressure vessels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP569081A JPS6035985B2 (en) | 1981-01-16 | 1981-01-16 | High strength steel for pressure vessels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57120652A true JPS57120652A (en) | 1982-07-27 |
| JPS6035985B2 JPS6035985B2 (en) | 1985-08-17 |
Family
ID=11618090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP569081A Expired JPS6035985B2 (en) | 1981-01-16 | 1981-01-16 | High strength steel for pressure vessels |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6035985B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2105516A1 (en) | 2008-03-28 | 2009-09-30 | Kabushiki Kaisha Kobe Seiko Sho | High-strength steel sheet excellent in resistance to stress-relief annealing and in low-temperature joint toughness |
| WO2009119368A1 (en) | 2008-03-28 | 2009-10-01 | 株式会社神戸製鋼所 | High-strength steel sheet excellent in resistance to stress-relief annealing and low-temperature joint toughness |
| DE112009000462T5 (en) | 2008-03-28 | 2011-02-17 | Kabushiki Kaisha Kobe Seiko Sho, Kobe-shi | High strength steel plate with excellent resistance to flash annealing and excellent cold toughness |
| WO2011156983A1 (en) * | 2010-06-13 | 2011-12-22 | 齐齐哈尔轨道交通装备有限责任公司 | Method for producing steel |
| US8361249B2 (en) | 2006-12-15 | 2013-01-29 | Kobe Steel, Ltd. | High-strength steel plate resistant to strength reduction resulting from stress relief annealing and excellent in weldability |
-
1981
- 1981-01-16 JP JP569081A patent/JPS6035985B2/en not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8361249B2 (en) | 2006-12-15 | 2013-01-29 | Kobe Steel, Ltd. | High-strength steel plate resistant to strength reduction resulting from stress relief annealing and excellent in weldability |
| EP2105516A1 (en) | 2008-03-28 | 2009-09-30 | Kabushiki Kaisha Kobe Seiko Sho | High-strength steel sheet excellent in resistance to stress-relief annealing and in low-temperature joint toughness |
| WO2009119368A1 (en) | 2008-03-28 | 2009-10-01 | 株式会社神戸製鋼所 | High-strength steel sheet excellent in resistance to stress-relief annealing and low-temperature joint toughness |
| DE112009000462T5 (en) | 2008-03-28 | 2011-02-17 | Kabushiki Kaisha Kobe Seiko Sho, Kobe-shi | High strength steel plate with excellent resistance to flash annealing and excellent cold toughness |
| US8394209B2 (en) | 2008-03-28 | 2013-03-12 | Kobe Steel, Ltd. | High-strength steel sheet excellent in resistance to stress-relief annealing and in low-temperature joint toughness |
| US8398787B2 (en) | 2008-03-28 | 2013-03-19 | Kobe Steel, Ltd. | High-strength steel sheet excellent in resistance to stress-relief annealing and low temperature joint toughness |
| DE112009000462B4 (en) * | 2008-03-28 | 2014-02-13 | Kabushiki Kaisha Kobe Seiko Sho | High strength steel plate with excellent resistance to flash annealing and excellent cold toughness |
| WO2011156983A1 (en) * | 2010-06-13 | 2011-12-22 | 齐齐哈尔轨道交通装备有限责任公司 | Method for producing steel |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6035985B2 (en) | 1985-08-17 |
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