KR100545621B1 - 중공 스태빌라이저용 전봉 용접 강관 - Google Patents
중공 스태빌라이저용 전봉 용접 강관 Download PDFInfo
- Publication number
- KR100545621B1 KR100545621B1 KR1020037011707A KR20037011707A KR100545621B1 KR 100545621 B1 KR100545621 B1 KR 100545621B1 KR 1020037011707 A KR1020037011707 A KR 1020037011707A KR 20037011707 A KR20037011707 A KR 20037011707A KR 100545621 B1 KR100545621 B1 KR 100545621B1
- Authority
- KR
- South Korea
- Prior art keywords
- steel pipe
- electric resistance
- less
- welded steel
- resistance welded
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
-
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
- Vehicle Body Suspensions (AREA)
- Conductive Materials (AREA)
Abstract
Description
Claims (8)
- 질량 %로,C : 0.20 내지 0.35 %,Si : 0.10 내지 0.50 %,Mn : 0.30 내지 1.O0 %,Al : O.O1 내지 O.1O %,Cr : O.1O 내지 1.OO %,Mo : 0.005 내지 1.00 %,Ti : 0.001 내지 0.02 %,B : 0.0005 내지 0.0050 %,N : 0.0010 내지 0.0100 %를 함유하고, N/14 < Ti/47.9를 만족하고 나머지부가 Fe 및 불가피 불순물로 이루어지며, 평균 페라이트 입경이 3 내지 45 ㎛이고, 종횡비 0.5 내지 3.0의 페라이트 결정 입자가 페라이트상 전체에 차지하는 면적율로 86 % 이상이며, 열간가공하여 직경을 축소 압연한 것을 특징으로 하는 중공 스태빌라이저용 전봉 용접 강관.
- 제1항에 있어서, 하기 식의 이상 임계 직경(Di)이 2.54 ㎝[1.O (in)] 이상인 것을 특징으로 하는 중공 스태빌라이저용 전봉 용접 강관.Di = (0.06 + 0.4 ×% C) ×(1 + 0.64 ×% Si) ×(1 + 4.1 ×% Mn) ×(1 + 2.33 ×% Cr) ×(1 + 3.14 ×% Mo) ×{1 + 1.5 ×(0.9 - % C) ×% B²}
- 제1항 또는 제2항에 있어서, 질량 %로,P : 0.030 %이하,S : 0.020 %이하,O : 0.015 % 이하인 것을 특징으로 하는 중공 스태빌라이저용 전봉 용접 강관.
- 제1항 또는 제2항에 있어서, 강관의 관축 방향의 n값이 0.12 이상인 것을 특징으로 하는 중공 스태빌라이저용 전봉 용접 강관.
- 제1항 또는 제2항에 있어서, 전봉 용접부 및 모재의 경도차가 Hv 30 이하인 것을 특징으로 하는 중공 스태빌라이저용 전봉 용접 강관.
- 제1항 또는 제2항에 있어서, 평균 페라이트 결정 입경이 3 내지 40 ㎛인 것을 특징으로 하는 중공 스태빌라이저용 전봉 용접 강관.
- 제1항 또는 제2항에 있어서, 종횡비 0.5 내지 3.0의 페라이트 결정 입자가 페라이트상 전체를 차지하는 면적율이 90 % 이상인 것을 특징으로 하는 중공 스태빌라이저용 전봉 용접 강관.
- 제1항 또는 제2항에 있어서, 평균 사이즈 20 ㎛ 이하의 제2 상을 갖는 것을 특징으로 하는 중공 스태빌라이저용 전봉 용접 강관.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001063140 | 2001-03-07 | ||
JPJP-P-2001-00063140 | 2001-03-07 | ||
PCT/JP2002/001973 WO2002070767A1 (fr) | 2001-03-07 | 2002-03-04 | Tube d'acier soude electriquement pour stabilisateur creux |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030076726A KR20030076726A (ko) | 2003-09-26 |
KR100545621B1 true KR100545621B1 (ko) | 2006-01-24 |
Family
ID=18922179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020037011707A KR100545621B1 (ko) | 2001-03-07 | 2002-03-04 | 중공 스태빌라이저용 전봉 용접 강관 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7048811B2 (ko) |
EP (1) | EP1371743B1 (ko) |
JP (1) | JP4102195B2 (ko) |
KR (1) | KR100545621B1 (ko) |
CN (1) | CN1217023C (ko) |
AT (1) | ATE382103T1 (ko) |
DE (1) | DE60224262T2 (ko) |
ES (1) | ES2295312T3 (ko) |
WO (1) | WO2002070767A1 (ko) |
Families Citing this family (37)
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EP1627931B1 (en) | 2003-04-25 | 2017-05-31 | Tubos De Acero De Mexico, S.A. | Seamless steel tube which is intended to be used as a guide pipe and production method thereof |
JP4443910B2 (ja) | 2003-12-12 | 2010-03-31 | Jfeスチール株式会社 | 自動車構造部材用鋼材およびその製造方法 |
JP4706183B2 (ja) * | 2004-05-07 | 2011-06-22 | 住友金属工業株式会社 | シームレス鋼管およびその製造方法 |
JP4510515B2 (ja) * | 2004-05-21 | 2010-07-28 | 新日本製鐵株式会社 | 疲労特性に優れた中空部品 |
JP4506486B2 (ja) * | 2005-01-31 | 2010-07-21 | Jfeスチール株式会社 | 高強度中空スタビライザ用電縫鋼管および高強度中空スタビライザの製造方法 |
DE102005014298B4 (de) * | 2005-03-24 | 2006-11-30 | Benteler Automobiltechnik Gmbh | Panzerung für ein Fahrzeug |
US7744708B2 (en) * | 2006-03-14 | 2010-06-29 | Tenaris Connections Limited | Methods of producing high-strength metal tubular bars possessing improved cold formability |
JP5142068B2 (ja) * | 2006-05-17 | 2013-02-13 | 日産自動車株式会社 | 抵抗スポット溶接用高張力鋼板及びその接合方法 |
JP2009541589A (ja) * | 2006-06-29 | 2009-11-26 | テナリス・コネクシヨンズ・アクチエンゲゼルシヤフト | 低温における等方じん性が向上した油圧シリンダー用継ぎ目なし精密鋼管およびこれを得る方法 |
JP4466619B2 (ja) * | 2006-07-05 | 2010-05-26 | Jfeスチール株式会社 | 自動車構造部材用高張力溶接鋼管およびその製造方法 |
MX2007004600A (es) * | 2007-04-17 | 2008-12-01 | Tubos De Acero De Mexico S A | Un tubo sin costura para la aplicación como secciones verticales de work-over. |
US7862667B2 (en) | 2007-07-06 | 2011-01-04 | Tenaris Connections Limited | Steels for sour service environments |
WO2009065432A1 (en) * | 2007-11-19 | 2009-05-28 | Tenaris Connections Ag | High strength bainitic steel for octg applications |
MX2009012811A (es) * | 2008-11-25 | 2010-05-26 | Maverick Tube Llc | Procesamiento de desbastes delgados o flejes compactos de aceros al boro/titanio. |
EP2325435B2 (en) | 2009-11-24 | 2020-09-30 | Tenaris Connections B.V. | Threaded joint sealed to [ultra high] internal and external pressures |
KR101359141B1 (ko) * | 2009-12-29 | 2014-02-05 | 주식회사 포스코 | 자동차용 용접강관 및 그 제조방법 |
WO2011096510A1 (ja) * | 2010-02-04 | 2011-08-11 | 新日本製鐵株式会社 | 高強度溶接鋼管及びその製造方法 |
US9163296B2 (en) | 2011-01-25 | 2015-10-20 | Tenaris Coiled Tubes, Llc | Coiled tube with varying mechanical properties for superior performance and methods to produce the same by a continuous heat treatment |
IT1403688B1 (it) | 2011-02-07 | 2013-10-31 | Dalmine Spa | Tubi in acciaio con pareti spesse con eccellente durezza a bassa temperatura e resistenza alla corrosione sotto tensione da solfuri. |
IT1403689B1 (it) | 2011-02-07 | 2013-10-31 | Dalmine Spa | Tubi in acciaio ad alta resistenza con eccellente durezza a bassa temperatura e resistenza alla corrosione sotto tensioni da solfuri. |
US8414715B2 (en) | 2011-02-18 | 2013-04-09 | Siderca S.A.I.C. | Method of making ultra high strength steel having good toughness |
US8636856B2 (en) | 2011-02-18 | 2014-01-28 | Siderca S.A.I.C. | High strength steel having good toughness |
US9340847B2 (en) | 2012-04-10 | 2016-05-17 | Tenaris Connections Limited | Methods of manufacturing steel tubes for drilling rods with improved mechanical properties, and rods made by the same |
US9249476B2 (en) * | 2012-10-29 | 2016-02-02 | Nsk Ltd. | Rolling bearing |
GB2525337B (en) | 2013-01-11 | 2016-06-22 | Tenaris Connections Ltd | Galling resistant drill pipe tool joint and corresponding drill pipe |
US9187811B2 (en) | 2013-03-11 | 2015-11-17 | Tenaris Connections Limited | Low-carbon chromium steel having reduced vanadium and high corrosion resistance, and methods of manufacturing |
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 |
EP2789700A1 (en) | 2013-04-08 | 2014-10-15 | DALMINE S.p.A. | Heavy wall quenched and tempered seamless steel pipes and related method for manufacturing said steel pipes |
EP2789701A1 (en) | 2013-04-08 | 2014-10-15 | DALMINE S.p.A. | High strength medium wall quenched and tempered seamless steel pipes and related method for manufacturing said steel pipes |
KR102197204B1 (ko) | 2013-06-25 | 2021-01-04 | 테나리스 커넥션즈 비.브이. | 고크롬 내열철강 |
WO2016063513A1 (ja) * | 2014-10-23 | 2016-04-28 | Jfeスチール株式会社 | エアバッグインフレータ用高強度溶接鋼管およびその製造方法 |
US11124852B2 (en) | 2016-08-12 | 2021-09-21 | Tenaris Coiled Tubes, Llc | Method and system for manufacturing coiled tubing |
US10434554B2 (en) | 2017-01-17 | 2019-10-08 | Forum Us, Inc. | Method of manufacturing a coiled tubing string |
CN106991280B (zh) * | 2017-03-30 | 2020-08-14 | 江阴兴澄特种钢铁有限公司 | 一种含硼钢理想临界直径的计算方法 |
CN112368410B (zh) * | 2018-06-27 | 2022-05-10 | 杰富意钢铁株式会社 | 中空稳定器制造用电阻焊钢管、中空稳定器以及它们的制造方法 |
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-
2002
- 2002-03-04 ES ES02701706T patent/ES2295312T3/es not_active Expired - Lifetime
- 2002-03-04 EP EP02701706A patent/EP1371743B1/en not_active Expired - Lifetime
- 2002-03-04 JP JP2002570788A patent/JP4102195B2/ja not_active Expired - Lifetime
- 2002-03-04 KR KR1020037011707A patent/KR100545621B1/ko active IP Right Grant
- 2002-03-04 WO PCT/JP2002/001973 patent/WO2002070767A1/ja active IP Right Grant
- 2002-03-04 AT AT02701706T patent/ATE382103T1/de not_active IP Right Cessation
- 2002-03-04 US US10/471,135 patent/US7048811B2/en not_active Expired - Lifetime
- 2002-03-04 DE DE60224262T patent/DE60224262T2/de not_active Expired - Lifetime
- 2002-03-04 CN CN028059115A patent/CN1217023C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1371743A1 (en) | 2003-12-17 |
ATE382103T1 (de) | 2008-01-15 |
JPWO2002070767A1 (ja) | 2004-07-02 |
CN1217023C (zh) | 2005-08-31 |
EP1371743A4 (en) | 2004-09-22 |
EP1371743B1 (en) | 2007-12-26 |
US7048811B2 (en) | 2006-05-23 |
DE60224262D1 (de) | 2008-02-07 |
US20040131876A1 (en) | 2004-07-08 |
JP4102195B2 (ja) | 2008-06-18 |
DE60224262T2 (de) | 2008-12-11 |
CN1494599A (zh) | 2004-05-05 |
WO2002070767A1 (fr) | 2002-09-12 |
KR20030076726A (ko) | 2003-09-26 |
ES2295312T3 (es) | 2008-04-16 |
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