JPS5735625A - Manufacture of high tensile steel pipe with superior toughness at low temperature - Google Patents
Manufacture of high tensile steel pipe with superior toughness at low temperatureInfo
- Publication number
- JPS5735625A JPS5735625A JP10988380A JP10988380A JPS5735625A JP S5735625 A JPS5735625 A JP S5735625A JP 10988380 A JP10988380 A JP 10988380A JP 10988380 A JP10988380 A JP 10988380A JP S5735625 A JPS5735625 A JP S5735625A
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- steel
- manufacture
- low temperature
- high tensile
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
Abstract
PURPOSE:To enhance the strength of a steel contg. a prescribed amount of C, Si, Mn, P, S, Nb, etc. while maintaining the toughness at low temp. by working the steel into a pipe by rolling under specified conditions and by aging the pipe. CONSTITUTION:A steel consisting of, by wt., <=0.18% C, <=0.50% Si, 0.50-2% Mn, <=0.03% P, <=0.006% S, <=0.15% Nb, <=0.06% Al and the balance Fe or further contg. one or more among <=0.15% V or <=0.15% Ti, <=0.50% Mo, <=0.50% Cu, <=3% Ni, <=0.6% Cr, <=0.04% REM, <=0.01% Ca or <=0.01% Mg, and <=0.04% Zr is worked into a steel pipe by rolling at <=1,180 deg.C heating temp., >=65% reduction ratio at <=950 deg.C, and <=750 deg.C final finish temp. The worked steel pipe is then aged at 100-400 deg.C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10988380A JPS6026809B2 (en) | 1980-08-12 | 1980-08-12 | Method for manufacturing high-strength steel pipes with excellent low-temperature toughness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10988380A JPS6026809B2 (en) | 1980-08-12 | 1980-08-12 | Method for manufacturing high-strength steel pipes with excellent low-temperature toughness |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5735625A true JPS5735625A (en) | 1982-02-26 |
| JPS6026809B2 JPS6026809B2 (en) | 1985-06-26 |
Family
ID=14521571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10988380A Expired JPS6026809B2 (en) | 1980-08-12 | 1980-08-12 | Method for manufacturing high-strength steel pipes with excellent low-temperature toughness |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6026809B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5098489A (en) * | 1987-12-14 | 1992-03-24 | Yamakawa Industrial Co., Ltd. | Process for manufacturing high-strength parts of an automobile transmission system |
| WO2000068443A3 (en) * | 1999-05-10 | 2001-04-26 | Mannesmann Ag | Method for producing welded steel pipes with a high degree of strength, ductility and deformability |
| CN102912230A (en) * | 2012-10-23 | 2013-02-06 | 鞍钢股份有限公司 | 690MPa-grade electric resistance welding petroleum sleeve and manufacture method thereof |
| CN107177792A (en) * | 2016-03-10 | 2017-09-19 | 中国科学院金属研究所 | A kind of pipe line steel with resistance to sulfate reducing bacteria corrosion performance |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62189109A (en) * | 1986-02-17 | 1987-08-18 | 清水建設株式会社 | Manufacture of high-strength concrete |
| JPS62227704A (en) * | 1986-03-31 | 1987-10-06 | 清水建設株式会社 | Manufacture of high-strength concrete |
-
1980
- 1980-08-12 JP JP10988380A patent/JPS6026809B2/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5098489A (en) * | 1987-12-14 | 1992-03-24 | Yamakawa Industrial Co., Ltd. | Process for manufacturing high-strength parts of an automobile transmission system |
| WO2000068443A3 (en) * | 1999-05-10 | 2001-04-26 | Mannesmann Ag | Method for producing welded steel pipes with a high degree of strength, ductility and deformability |
| JP2002544377A (en) * | 1999-05-10 | 2002-12-24 | マンネスマンレーレン‐ヴェルケ・アクチエンゲゼルシャフト | Method for producing welded steel pipe with high strength, toughness and deformation properties |
| US6648209B2 (en) | 1999-05-10 | 2003-11-18 | Mannesmannröhren-Werke Ag | Process for producing welded steel pipes with a high degree of strength, ductility and deformability |
| CN102912230A (en) * | 2012-10-23 | 2013-02-06 | 鞍钢股份有限公司 | 690MPa-grade electric resistance welding petroleum sleeve and manufacture method thereof |
| CN107177792A (en) * | 2016-03-10 | 2017-09-19 | 中国科学院金属研究所 | A kind of pipe line steel with resistance to sulfate reducing bacteria corrosion performance |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6026809B2 (en) | 1985-06-26 |
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