JP2012066277A - 枝管溶接部の熱処理方法および管台構造 - Google Patents
枝管溶接部の熱処理方法および管台構造 Download PDFInfo
- Publication number
- JP2012066277A JP2012066277A JP2010213006A JP2010213006A JP2012066277A JP 2012066277 A JP2012066277 A JP 2012066277A JP 2010213006 A JP2010213006 A JP 2010213006A JP 2010213006 A JP2010213006 A JP 2010213006A JP 2012066277 A JP2012066277 A JP 2012066277A
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- JP
- Japan
- Prior art keywords
- pipe
- diameter
- heat treatment
- joint
- branch 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/30—Stress-relieving
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
【解決手段】直径が200mm以下、板厚が15mm以下の小口径配管を、より大口径の配管と接合する接合継ぎ手を用いて、前記小口径配管と前記接合継ぎ手との溶接後に、溶接部近傍を加熱した後、配管内面を冷媒で冷却する熱処理方法において、加熱範囲と大口径配管との距離が70mm以上であることを特徴とする熱処理方法。
【選択図】 図1
Description
11 従来技術の接合継ぎ手
12 小口径配管
21 同径部
22 厚肉部
31 本発明の接合継ぎ手
32 厚肉の台座部
33 小口径部
41 溶接部
42 ヒータ
Claims (2)
- 直径が200mm以下、板厚が15mm以下の小口径配管を、より大口径の配管と接合する接合継ぎ手を用いて、前記小口径配管と前記接合継ぎ手との溶接後に、溶接部近傍を加熱した後、配管内面を冷媒で冷却する熱処理方法において、
加熱範囲と大口径配管との距離が70mm以上であることを特徴とする熱処理方法。 - 請求項1において、加熱範囲と大口径配管との距離が70mm以上になるように、前記接合継ぎ手には、予め、小口径配管と同じ口径部が配置されていることを特徴とする熱処理方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010213006A JP2012066277A (ja) | 2010-09-24 | 2010-09-24 | 枝管溶接部の熱処理方法および管台構造 |
US13/817,009 US20130168439A1 (en) | 2010-09-24 | 2011-09-05 | Thermal Processing Method for Welding Area on Branched Pipes |
PCT/JP2011/070195 WO2012039273A1 (ja) | 2010-09-24 | 2011-09-05 | 枝管溶接部の熱処理方法 |
EP11826719.4A EP2620250A1 (en) | 2010-09-24 | 2011-09-05 | Heat treatment method for branch pipe welded portion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010213006A JP2012066277A (ja) | 2010-09-24 | 2010-09-24 | 枝管溶接部の熱処理方法および管台構造 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2012066277A true JP2012066277A (ja) | 2012-04-05 |
Family
ID=45873762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010213006A Pending JP2012066277A (ja) | 2010-09-24 | 2010-09-24 | 枝管溶接部の熱処理方法および管台構造 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20130168439A1 (ja) |
EP (1) | EP2620250A1 (ja) |
JP (1) | JP2012066277A (ja) |
WO (1) | WO2012039273A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2899692B1 (en) | 2014-01-28 | 2019-09-04 | Honda Research Institute Europe GmbH | Method, system, imaging device, movable device and program product for detecting static elements in video and image sources |
CN104148840B (zh) * | 2014-08-15 | 2016-08-10 | 苏州热工研究院有限公司 | 一种接管座对接接头局部焊后热处理方法 |
CN112916990B (zh) * | 2021-01-26 | 2023-01-17 | 中广核核电运营有限公司 | 核级支管座的更换方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5494415A (en) | 1978-01-11 | 1979-07-26 | Hitachi Ltd | Heat treatment method of pipes |
JPS60141825A (ja) * | 1983-12-27 | 1985-07-26 | Ishikawajima Harima Heavy Ind Co Ltd | 二重管部を有する管体の熱処理方法 |
JPS60255930A (ja) * | 1984-05-31 | 1985-12-17 | Dai Ichi High Frequency Co Ltd | 枝付管の溶接部における残留応力改善のための加熱方法及び加熱装置 |
JPH01165724A (ja) * | 1987-12-21 | 1989-06-29 | Ishikawajima Harima Heavy Ind Co Ltd | 金属管継手溶接部表面の残留応力改善方法 |
JPH03285021A (ja) * | 1990-03-30 | 1991-12-16 | Ishikawajima Harima Heavy Ind Co Ltd | 管溶接継手の応力改善方法 |
JPH0639951U (ja) * | 1992-11-10 | 1994-05-27 | 石川島播磨重工業株式会社 | 溶接継手の残留応力除去用加熱コイル |
JP4196755B2 (ja) | 2003-06-30 | 2008-12-17 | 住友金属工業株式会社 | 低炭素ステンレス鋼管の配管溶接継手とその製造方法 |
JP4759302B2 (ja) | 2004-04-06 | 2011-08-31 | 日立Geニュークリア・エナジー株式会社 | 熱処理方法及びその装置 |
-
2010
- 2010-09-24 JP JP2010213006A patent/JP2012066277A/ja active Pending
-
2011
- 2011-09-05 US US13/817,009 patent/US20130168439A1/en not_active Abandoned
- 2011-09-05 WO PCT/JP2011/070195 patent/WO2012039273A1/ja active Application Filing
- 2011-09-05 EP EP11826719.4A patent/EP2620250A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2012039273A1 (ja) | 2012-03-29 |
US20130168439A1 (en) | 2013-07-04 |
EP2620250A1 (en) | 2013-07-31 |
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