JP4833574B2 - 連結管及びその製造方法 - Google Patents
連結管及びその製造方法 Download PDFInfo
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- JP4833574B2 JP4833574B2 JP2005100426A JP2005100426A JP4833574B2 JP 4833574 B2 JP4833574 B2 JP 4833574B2 JP 2005100426 A JP2005100426 A JP 2005100426A JP 2005100426 A JP2005100426 A JP 2005100426A JP 4833574 B2 JP4833574 B2 JP 4833574B2
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- steel pipe
- outer diameter
- buckling
- inner diameter
- connecting pipe
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Description
|DO1−DO2|≦1.5×|DI1−DI2| (1)
|DI1−DI2|≦0.01×DA+2 (2)
|Y1−Y2|≦120 (3)
|DO1−DO2|≦1.5×|DI1−DI2| (1)
|DI1−DI2|≦0.01×DA+2 (2)
|Y1−Y2|≦120 (3)
|DO1−DO2|≦1.5×|DI1−DI2| (1)
|DI1−DI2|≦0.01×DA+2 (2)
|Y1−Y2|≦120 (3)
F1=1.5×ΔDI (4)
F2=0.01×DA+2 (5)
11,21 端部
30 突合せ溶接部
Claims (1)
- 敷設時に曲げ応力が生じる海底パイプラインとして利用される耐座屈性に優れた連結管の製造方法であって、
降伏応力Y1(MPa)、突合せ溶接される側の端部の外径DO1(mm)及び内径DI1(mm)が求められた第1の鋼管を準備する工程と、
前記第1の鋼管と同じ公称外径DA(mm)を有し、降伏応力Y2(MPa)、前記第1の鋼管と突合せ溶接される側の端部の外径DO2(mm)及び内径DI2(mm)が求められ、求められた前記降伏応力Y1,Y2、前記公称外径DA、前記外径DO1、DO2、前記内径DI1及びDI2を利用して、式(1)〜式(3)を満足すると認定された第2の鋼管を準備する工程と、
前記第1の鋼管の端部と前記第2の鋼管の端部とを突合せ溶接する工程とを備えることを特徴とする連結管の製造方法。
|DO1−DO2|≦1.5×|DI1−DI2| (1)
|DI1−DI2|≦0.01×DA+2mm (2)
|Y1−Y2|≦120MPa (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005100426A JP4833574B2 (ja) | 2005-03-31 | 2005-03-31 | 連結管及びその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005100426A JP4833574B2 (ja) | 2005-03-31 | 2005-03-31 | 連結管及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006281217A JP2006281217A (ja) | 2006-10-19 |
| JP4833574B2 true JP4833574B2 (ja) | 2011-12-07 |
Family
ID=37403664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005100426A Expired - Fee Related JP4833574B2 (ja) | 2005-03-31 | 2005-03-31 | 連結管及びその製造方法 |
Country Status (1)
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| JP (1) | JP4833574B2 (ja) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO325936B1 (no) * | 2006-12-11 | 2008-08-18 | Statoil Asa | Fremgangsmate for utlegging av en rorledning med en innvendig korrosjonsbestandig kledning |
| US9434030B2 (en) * | 2008-11-25 | 2016-09-06 | Justin Vaughn Page | Welding apparatus and methods for welding |
| DE102009001001A1 (de) * | 2009-02-19 | 2010-09-02 | Evonik Degussa Gmbh | Verwendung eines Leitungsrohrs zur Herstellung einer im Wasser verlegten Rohrleitung |
| CN102343496B (zh) * | 2010-08-05 | 2015-07-15 | 上海锅炉厂有限公司 | 一种焊缝装配定位装置及其装配定位焊接工艺方法 |
| EP2808415B1 (en) * | 2012-01-27 | 2017-11-22 | Nippon Steel & Sumitomo Metal Corporation | Pipeline and manufacturing method thereof |
| JP5773913B2 (ja) * | 2012-03-06 | 2015-09-02 | 東京瓦斯株式会社 | 鋼製パイプラインの座屈耐性評価方法及び座屈耐性評価装置 |
| ES2638900T3 (es) * | 2012-03-07 | 2017-10-24 | Nippon Steel & Sumitomo Metal Corporation | Sistema de cálculo de desalineación |
| WO2020067064A1 (ja) * | 2018-09-28 | 2020-04-02 | Jfeスチール株式会社 | リール工法用長尺鋼管及びその製造方法 |
| KR20240130761A (ko) * | 2022-02-07 | 2024-08-29 | 닛폰세이테츠 가부시키가이샤 | 강관, 강관군, 파이프라인, 및 강관 제조 방법 |
| WO2023149364A1 (ja) * | 2022-02-07 | 2023-08-10 | 日本製鉄株式会社 | 鋼管、鋼管群、パイプライン、及び鋼管製造方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06281057A (ja) * | 1993-03-29 | 1994-10-07 | Chiyoda Corp | 管の周継ぎ手溶接方法と管フィットアップ装置 |
| JPH06344140A (ja) * | 1993-06-07 | 1994-12-20 | Chiyoda Corp | 配管自動溶接装置 |
| JP3234717B2 (ja) * | 1994-07-04 | 2001-12-04 | 東京瓦斯株式会社 | プラズマキーホール溶接方法 |
| JP2991087B2 (ja) * | 1995-07-24 | 1999-12-20 | 住友金属工業株式会社 | 継目無管の製造方法 |
| JP3721914B2 (ja) * | 2000-01-17 | 2005-11-30 | 住友金属工業株式会社 | 現地溶接施工性に優れた鋼管 |
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2005
- 2005-03-31 JP JP2005100426A patent/JP4833574B2/ja not_active Expired - Fee Related
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| Publication number | Publication date |
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| JP2006281217A (ja) | 2006-10-19 |
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