JP7129974B2 - 鋼管のインライン製造方法 - Google Patents
鋼管のインライン製造方法 Download PDFInfo
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- 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
- C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
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- 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
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- 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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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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Description
-平らな帯を円筒形に成形する間に生じる鋼材の変形、及び
-管の継ぎ目を溶接することによる、局所的な硬化及び熱影響部の影響に起因する溶接部及びその近傍での機械的性質の局所的な劣化
により低くなる。
本発明の1つの目的は、制御された機械的性質を有する原料鋼帯材料から管を製造する方法を提供することである。
Claims (9)
- 鋼帯から鋼管を製造する方法であって、
前記鋼帯の材料は、以下の重量%組成:
C:0.08~0.3
Mn:1.0~3.0
Si:0.01~1.5
P:<0.01
S:<0.01
Cr:0~0.6
Mo:0~0.6
V:0~0.3
Ti:0~0.3
Nb:0~0.3
B:0~0.005
残部はFe及び不可避的不純物
を有し、
前記方法は、
前記方法に供される鋼帯を準備する工程、
前記鋼帯の管を形成する工程、
前記形成された前記管を長手方向に溶接する工程、
前記管を熱処理する工程
を含み、
前記工程は、一つの連続的なインライン製造ラインで行われ、
前記熱処理は、前記管の連続横断面において、少なくとも50体積%のオーステナイトが保持される微細構造が達成されるような加熱処理、及び所望の体積分率でフェライト及び/又はベイナイトを再導入する冷却処理を含み、
前記管が前記加熱処理に供された後、前記管が、20~50℃/秒の範囲の速度で750~550℃の範囲の温度まで冷却され、その後、50℃/秒を超える速度で冷却される、前記方法。 - 鋼帯から鋼管を製造する方法であって、
前記鋼帯の材料は、以下の重量%組成:
C:0.08~0.3
Mn:1.0~3.0
Si:0.01~1.5
P:<0.01
S:<0.01
Cr:0~0.6
Mo:0~0.6
V:0~0.3
Ti:0~0.3
Nb:0~0.3
B:0~0.005
残部はFe及び不可避的不純物
を有し、
前記方法は、
前記方法に供される鋼帯を準備する工程、
前記鋼帯の管を形成する工程、
前記形成された前記管を長手方向に溶接する工程、
前記管を熱処理する工程
を含み、
前記工程は、一つの連続的なインライン製造ラインで行われ、
前記熱処理は、前記管の連続横断面において、少なくとも50体積%のオーステナイトが保持される微細構造が達成されるような加熱処理、及び所望の体積分率でフェライト及び/又はベイナイトを再導入する冷却処理を含み、
前記管が前記加熱処理に供された後、前記管が、50℃/秒を超える速度で700~550℃の範囲の温度まで冷却され、その後、前記範囲の温度に最大10℃/秒の冷却速度で最大60秒間保持又は徐冷され、その後、50℃/秒を超える速度で冷却される、前記方法。 - 鋼帯から鋼管を製造する方法であって、
前記鋼帯の材料は、以下の重量%組成:
C:0.08~0.3
Mn:1.0~3.0
Si:0.01~1.5
P:<0.01
S:<0.01
Cr:0~0.6
Mo:0~0.6
V:0~0.3
Ti:0~0.3
Nb:0~0.3
B:0~0.005
残部はFe及び不可避的不純物
を有し、
前記方法は、
前記方法に供される鋼帯を準備する工程、
前記鋼帯の管を形成する工程、
前記形成された前記管を長手方向に溶接する工程、
前記管を熱処理する工程
を含み、
前記工程は、一つの連続的なインライン製造ラインで行われ、
前記熱処理は、前記管の連続横断面において、少なくとも50体積%のオーステナイトが保持される微細構造が達成されるような加熱処理、及び所望の体積分率でフェライト及び/又はベイナイトを再導入する冷却処理を含み、
前記管が前記加熱処理に供された後、前記管が、50℃/秒を超える速度で600~400℃の範囲の温度まで冷却され、その後、前記範囲の温度に最大10℃/秒の冷却速度で最大60秒間保持又は徐冷され、その後、50℃/秒を超える速度で冷却される、前記方法。 - 一つの鋼組成から、制御された様々な機械的性質(すなわちグレード)を有する管を製造するために、前記熱処理を請求項1、2又は3に記載の条件内で変化させることができる、請求項1~3のいずれか一項に記載の方法。
- 様々な鋼組成から、一組の機械的性質(すなわちグレード)を有する管を製造するために、前記熱処理が用いられる、請求項1~3のいずれか一項に記載の方法。
- 前記熱処理が、前記鋼の組成のAc1~Ac3温度の間の温度もしくはAc3温度を超える温度まで前記管を加熱することを含むか、又は前記鋼の組成のAe3温度を超える温度まで前記管を加熱すること及び前記温度で前記管を保持することを含む、請求項1~5のいずれか一項に記載の方法。
- 前記管が、
a.500~900MPaの範囲の最大引張強度、及び15~30%の範囲の伸び b.750~1200MPaの範囲の最大引張強度及び10~25%の範囲の伸び c.950~2000MPaの範囲の最大引張強度及び5~25%の範囲の伸びを有する部分を含む、請求項1~6のいずれか一項に記載の方法。 - 150℃未満の温度に冷却した後、前記管が、300~450℃の範囲の温度まで最大60秒間再加熱され、その後、前記管が周囲温度まで冷却される、請求項1~7のいずれか一項に記載の方法。
- 前記管の製造が、50~150m/分の範囲のライン速度で行われる、請求項1~8のいずれか一項に記載の方法。
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EP16179417.7 | 2016-07-14 | ||
PCT/EP2017/067780 WO2018011377A1 (en) | 2016-07-14 | 2017-07-13 | Method for the in-line manufacturing of steel tube |
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JP2019527777A JP2019527777A (ja) | 2019-10-03 |
JP2019527777A5 JP2019527777A5 (ja) | 2021-10-28 |
JP7129974B2 true JP7129974B2 (ja) | 2022-09-02 |
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KR (1) | KR102465476B1 (ja) |
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TW202129392A (zh) | 2019-12-20 | 2021-08-01 | 日商索尼股份有限公司 | 光源裝置及投射型顯示裝置 |
TW202131082A (zh) | 2019-12-27 | 2021-08-16 | 日商索尼股份有限公司 | 光源裝置及投射型顯示裝置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000119754A (ja) | 1998-10-14 | 2000-04-25 | Nippon Steel Corp | 加工性に優れた高延性電縫鋼管の製造方法 |
JP2001164319A (ja) | 1999-12-03 | 2001-06-19 | Nippon Steel Corp | 成形性に優れた溶接鋼管の製造方法 |
JP2008019480A (ja) | 2006-07-13 | 2008-01-31 | Jfe Steel Kk | 鋼管の製造方法および鋼管製造設備列 |
JP2012021181A (ja) | 2010-07-12 | 2012-02-02 | Nippon Steel Corp | 鋼管の熱処理方法および熱処理設備 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06256854A (ja) | 1993-03-05 | 1994-09-13 | Nippon Steel Corp | 曲がりの少ない超高張力電縫鋼管の製造方法 |
JP3794230B2 (ja) | 2000-01-28 | 2006-07-05 | Jfeスチール株式会社 | 高加工性鋼管の製造方法 |
JP4529307B2 (ja) | 2001-03-29 | 2010-08-25 | Jfeスチール株式会社 | 高強度・高加工性鋼管およびその製造方法 |
EP1437422A4 (en) * | 2001-06-14 | 2006-08-23 | Jfe Steel Corp | EASILY DEFORMABLE STEEL TUBE AND METHOD OF MANUFACTURE. |
CN103249854B (zh) * | 2011-08-23 | 2014-11-05 | 新日铁住金株式会社 | 厚壁电阻焊钢管及其制造方法 |
EP2837708B1 (en) | 2012-04-13 | 2019-03-06 | JFE Steel Corporation | High-strength thick-walled electric-resistance-welded steel pipe having excellent low-temperature toughness, and method for manufacturing same |
US9803256B2 (en) | 2013-03-14 | 2017-10-31 | Tenaris Coiled Tubes, Llc | High performance material for coiled tubing applications and the method of producing the same |
CN103131947B (zh) | 2013-03-21 | 2015-05-20 | 宝鸡石油钢管有限责任公司 | 一种高性能低碳微合金钢sew膨胀套管及其制造方法 |
CN104513927B (zh) * | 2014-12-19 | 2017-04-05 | 宝山钢铁股份有限公司 | 一种抗拉强度800MPa级高强度高韧性钢板及其制造方法 |
WO2016103623A1 (ja) * | 2014-12-25 | 2016-06-30 | Jfeスチール株式会社 | 深井戸向けコンダクターケーシング用高強度厚肉電縫鋼管およびその製造方法ならびに深井戸向け高強度厚肉コンダクターケーシング |
CA2992138A1 (en) * | 2015-07-20 | 2017-01-26 | Magna International Inc. | Ultra high strength body and chassis components |
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2017
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000119754A (ja) | 1998-10-14 | 2000-04-25 | Nippon Steel Corp | 加工性に優れた高延性電縫鋼管の製造方法 |
JP2001164319A (ja) | 1999-12-03 | 2001-06-19 | Nippon Steel Corp | 成形性に優れた溶接鋼管の製造方法 |
JP2008019480A (ja) | 2006-07-13 | 2008-01-31 | Jfe Steel Kk | 鋼管の製造方法および鋼管製造設備列 |
JP2012021181A (ja) | 2010-07-12 | 2012-02-02 | Nippon Steel Corp | 鋼管の熱処理方法および熱処理設備 |
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JP2019527777A (ja) | 2019-10-03 |
ES2954141T3 (es) | 2023-11-20 |
PT3484639T (pt) | 2023-09-11 |
US20190226041A1 (en) | 2019-07-25 |
WO2018011377A1 (en) | 2018-01-18 |
EP3484639B1 (en) | 2023-06-21 |
US11519048B2 (en) | 2022-12-06 |
EP3484639A1 (en) | 2019-05-22 |
CN109689238B (zh) | 2022-05-27 |
KR102465476B1 (ko) | 2022-11-09 |
KR20190028442A (ko) | 2019-03-18 |
CN109689238A (zh) | 2019-04-26 |
CA3030455C (en) | 2021-01-26 |
CA3030455A1 (en) | 2018-01-18 |
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