JPS6455366A - Heat treatment for heat-transfer pipe - Google Patents
Heat treatment for heat-transfer pipeInfo
- Publication number
- JPS6455366A JPS6455366A JP21156587A JP21156587A JPS6455366A JP S6455366 A JPS6455366 A JP S6455366A JP 21156587 A JP21156587 A JP 21156587A JP 21156587 A JP21156587 A JP 21156587A JP S6455366 A JPS6455366 A JP S6455366A
- Authority
- JP
- Japan
- Prior art keywords
- corrosion resistance
- heat
- heat treatment
- pipe
- transfer pipe
- 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
- Heat Treatment Of Articles (AREA)
- Physical Vapour Deposition (AREA)
Abstract
PURPOSE:To improve the corrosion resistance, particularly uniform corrosion resistance, of a pipe without the addition of new stages, by carrying out a part of the grain boundary-strengthening heat treatment process of a heat- transfer pipe made of Ni-base alloy under specific conditions and then forming an oxide film composed principally of chromium oxide on the surface of the above heat-transfer pipe. CONSTITUTION:As a part of the above heat treatment process in which the above pipe containing, by weight, 20-35% Cr and 40-70% Ni is heated and held under a vacuum as high as >=about 10<-5>Torr, heat treatment is carried out by lowering the degree of vacuum to 10<-2>-10<-4>Torr under the conditions within the area enclosed with straight lines connecting the points A, B, C, D, E, F and A in figure, by which an oxide film composed principally of chromium oxide is formed on the surface of the above pipe. By this method, the corrosion resistance, particularly uniform corrosion resistance, of the above pipe used under a high-temp. and high-pressure water environment can be improved to a greater extent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21156587A JPS6455366A (en) | 1987-08-26 | 1987-08-26 | Heat treatment for heat-transfer pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21156587A JPS6455366A (en) | 1987-08-26 | 1987-08-26 | Heat treatment for heat-transfer pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6455366A true JPS6455366A (en) | 1989-03-02 |
| JPH0524985B2 JPH0524985B2 (en) | 1993-04-09 |
Family
ID=16607892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21156587A Granted JPS6455366A (en) | 1987-08-26 | 1987-08-26 | Heat treatment for heat-transfer pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6455366A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6482528B2 (en) | 2000-08-11 | 2002-11-19 | Sumitomo Metal Industries, Inc. | Nickel-base alloy product and method of producing the same |
| JP2004183051A (en) * | 2002-12-04 | 2004-07-02 | Hitachi Ltd | Valve stem, production method therefor, and steam valve obtained by using the same |
| US7037390B2 (en) | 2002-02-13 | 2006-05-02 | Sumitomo Metal Industries, Ltd. | Method of heat treatment for Ni-base alloy tube |
| WO2007119706A1 (en) | 2006-04-12 | 2007-10-25 | Sumitomo Metal Industries, Ltd. | METHOD FOR PRODUCING Cr-CONTAINING NICKEL-BASED ALLOY PIPE AND Cr-CONTAINING NICKEL-BASED ALLOY PIPE |
| JP2010270400A (en) * | 2010-07-21 | 2010-12-02 | Sumitomo Metal Ind Ltd | Steam generator tubing for nuclear power plant |
| WO2012026344A1 (en) | 2010-08-26 | 2012-03-01 | 住友金属工業株式会社 | Cr-containing austenite alloy pipe and production method for same |
| US8241439B2 (en) | 2008-05-16 | 2012-08-14 | Sumitomo Metal Industries, Ltd. | Ni-Cr alloy material |
| WO2013146034A1 (en) | 2012-03-28 | 2013-10-03 | 新日鐵住金株式会社 | Cr-CONTAINING AUSTENITIC ALLOY AND METHOD FOR PRODUCING SAME |
| WO2013150947A1 (en) | 2012-04-04 | 2013-10-10 | 新日鐵住金株式会社 | Cr-containing austenitic alloy |
| WO2013191202A1 (en) | 2012-06-20 | 2013-12-27 | 新日鐵住金株式会社 | Austenitic alloy tube |
| WO2016052551A1 (en) * | 2014-09-29 | 2016-04-07 | 新日鐵住金株式会社 | Ni-BASED ALLOY PIPE |
-
1987
- 1987-08-26 JP JP21156587A patent/JPS6455366A/en active Granted
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6482528B2 (en) | 2000-08-11 | 2002-11-19 | Sumitomo Metal Industries, Inc. | Nickel-base alloy product and method of producing the same |
| US7037390B2 (en) | 2002-02-13 | 2006-05-02 | Sumitomo Metal Industries, Ltd. | Method of heat treatment for Ni-base alloy tube |
| JP2004183051A (en) * | 2002-12-04 | 2004-07-02 | Hitachi Ltd | Valve stem, production method therefor, and steam valve obtained by using the same |
| WO2007119706A1 (en) | 2006-04-12 | 2007-10-25 | Sumitomo Metal Industries, Ltd. | METHOD FOR PRODUCING Cr-CONTAINING NICKEL-BASED ALLOY PIPE AND Cr-CONTAINING NICKEL-BASED ALLOY PIPE |
| JP2007284704A (en) * | 2006-04-12 | 2007-11-01 | Sumitomo Metal Ind Ltd | METHOD FOR MANUFACTURING Cr-CONTAINING NICKEL-BASED ALLOY PIPE AND Cr-CONTAINING NICKEL-BASED ALLOY PIPE |
| US8241439B2 (en) | 2008-05-16 | 2012-08-14 | Sumitomo Metal Industries, Ltd. | Ni-Cr alloy material |
| JP2010270400A (en) * | 2010-07-21 | 2010-12-02 | Sumitomo Metal Ind Ltd | Steam generator tubing for nuclear power plant |
| WO2012026344A1 (en) | 2010-08-26 | 2012-03-01 | 住友金属工業株式会社 | Cr-containing austenite alloy pipe and production method for same |
| KR20150036820A (en) | 2010-08-26 | 2015-04-07 | 신닛테츠스미킨 카부시키카이샤 | Cr-containing austenite alloy pipe and production method for same |
| US9255319B2 (en) | 2010-08-26 | 2016-02-09 | Nippon Steel & Sumitomo Metal Corporation | Cr-containing austenitic alloy tube and method for producing the same |
| KR20160013254A (en) | 2010-08-26 | 2016-02-03 | 신닛테츠스미킨 카부시키카이샤 | Cr-containing austenite alloy pipe and production method for same |
| WO2013146034A1 (en) | 2012-03-28 | 2013-10-03 | 新日鐵住金株式会社 | Cr-CONTAINING AUSTENITIC ALLOY AND METHOD FOR PRODUCING SAME |
| US9695486B2 (en) | 2012-03-28 | 2017-07-04 | Nippon Steel & Sumitomo Metal Corporation | Cr-containing austenitic alloy and method for producing the same |
| KR20170003709A (en) | 2012-04-04 | 2017-01-09 | 신닛테츠스미킨 카부시키카이샤 | Cr-containing austenitic alloy |
| JP5561431B2 (en) * | 2012-04-04 | 2014-07-30 | 新日鐵住金株式会社 | Chromium-containing austenitic alloy |
| US9493860B2 (en) | 2012-04-04 | 2016-11-15 | Nippon Steel & Sumitomo Metal Corporation | Chromium-containing austenitic alloy |
| WO2013150947A1 (en) | 2012-04-04 | 2013-10-10 | 新日鐵住金株式会社 | Cr-containing austenitic alloy |
| KR20150012288A (en) | 2012-06-20 | 2015-02-03 | 신닛테츠스미킨 카부시키카이샤 | Austenitic alloy tube |
| WO2013191202A1 (en) | 2012-06-20 | 2013-12-27 | 新日鐵住金株式会社 | Austenitic alloy tube |
| US9859026B2 (en) | 2012-06-20 | 2018-01-02 | Nippon Steel & Sumitomo Metal Corporation | Austenitic alloy tube |
| WO2016052551A1 (en) * | 2014-09-29 | 2016-04-07 | 新日鐵住金株式会社 | Ni-BASED ALLOY PIPE |
| JPWO2016052551A1 (en) * | 2014-09-29 | 2017-07-06 | 新日鐵住金株式会社 | Ni-base alloy tube |
| CN107075618A (en) * | 2014-09-29 | 2017-08-18 | 新日铁住金株式会社 | Ni base alloy pipes |
| US10106871B2 (en) | 2014-09-29 | 2018-10-23 | Nippon Steel & Sumitomo Metal Corporation | Ni-based alloy tube |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0524985B2 (en) | 1993-04-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080409 Year of fee payment: 15 |