[go: up one dir, main page]

EP1143024A4 - Martensitischer, rostfreier stahl - Google Patents

Martensitischer, rostfreier stahl

Info

Publication number
EP1143024A4
EP1143024A4 EP99959849A EP99959849A EP1143024A4 EP 1143024 A4 EP1143024 A4 EP 1143024A4 EP 99959849 A EP99959849 A EP 99959849A EP 99959849 A EP99959849 A EP 99959849A EP 1143024 A4 EP1143024 A4 EP 1143024A4
Authority
EP
European Patent Office
Prior art keywords
stainless steel
martensitic stainless
martensitic
steel
stainless
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
Application number
EP99959849A
Other languages
English (en)
French (fr)
Other versions
EP1143024B1 (de
EP1143024A1 (de
Inventor
Yusuke Minami
Katsumi Masamura
Toshio Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Publication of EP1143024A1 publication Critical patent/EP1143024A1/de
Publication of EP1143024A4 publication Critical patent/EP1143024A4/de
Application granted granted Critical
Publication of EP1143024B1 publication Critical patent/EP1143024B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/004Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten

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)
  • Arc Welding In General (AREA)
EP99959849A 1998-12-18 1999-12-16 Martensitischer, rostfreier stahl Expired - Lifetime EP1143024B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP36049398 1998-12-18
JP36049398A JP3620319B2 (ja) 1998-12-18 1998-12-18 耐食性と溶接性に優れたマルテンサイト系ステンレス鋼
PCT/JP1999/007067 WO2000037700A1 (fr) 1998-12-18 1999-12-16 Acier inoxydable martensitique

Publications (3)

Publication Number Publication Date
EP1143024A1 EP1143024A1 (de) 2001-10-10
EP1143024A4 true EP1143024A4 (de) 2002-08-07
EP1143024B1 EP1143024B1 (de) 2005-11-30

Family

ID=18469643

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99959849A Expired - Lifetime EP1143024B1 (de) 1998-12-18 1999-12-16 Martensitischer, rostfreier stahl

Country Status (5)

Country Link
EP (1) EP1143024B1 (de)
JP (1) JP3620319B2 (de)
DE (1) DE69928696T2 (de)
NO (1) NO20012962L (de)
WO (1) WO2000037700A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1317649B1 (it) * 2000-05-19 2003-07-15 Dalmine Spa Acciaio inox martensitico e tubi senza saldatura con esso prodotti
JP3797118B2 (ja) * 2001-02-23 2006-07-12 Jfeスチール株式会社 低Mo型耐食マルテンサイト系ステンレス鋼
US7618503B2 (en) 2001-06-29 2009-11-17 Mccrink Edward J Method for improving the performance of seam-welded joints using post-weld heat treatment
KR100821117B1 (ko) * 2001-06-29 2008-04-11 에드워드 제이. 맥크링크 스틸 구조물 및 그 형성 방법
US7540402B2 (en) 2001-06-29 2009-06-02 Kva, Inc. Method for controlling weld metal microstructure using localized controlled cooling of seam-welded joints
JP4951564B2 (ja) 2008-03-25 2012-06-13 住友化学株式会社 再生硫黄回収装置
JP5793562B2 (ja) 2011-04-11 2015-10-14 エヌケーケーシームレス鋼管株式会社 高耐食マルテンサイト系ステンレス鋼
US20200407814A1 (en) * 2017-09-29 2020-12-31 Jfe Steel Corporation Martensitic stainless steel seamless pipe for oil country tubular goods, and method for manufacturing same

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03120337A (ja) * 1989-10-03 1991-05-22 Sumitomo Metal Ind Ltd マルテンサイト系ステンレス鋼と製造方法
JPH05156409A (ja) * 1991-11-29 1993-06-22 Nippon Steel Corp 耐海水性に優れた高強度マルテンサイトステンレス鋼とその製造方法
EP0565117A1 (de) * 1992-04-09 1993-10-13 Sumitomo Chemical Company, Limited Martensitischer rostfreier Stahl für Petroleumquelle
EP0649915A1 (de) * 1993-10-22 1995-04-26 Nkk Corporation Hochfestes martensitisches rostfreies Stahl, und Verfahren zu seiner Herstellung
WO1996003532A1 (en) * 1994-07-21 1996-02-08 Nippon Steel Corporation Martensitic stainless steel having excellent hot workability and sulfide stress cracking resistance
JPH0841599A (ja) * 1994-07-26 1996-02-13 Sumitomo Metal Ind Ltd 溶接部の耐食性が優れたマルテンサイト系ステンレス鋼
JPH09291344A (ja) * 1996-02-26 1997-11-11 Nippon Steel Corp 低硬度マルテンサイト系ステンレス鋼
JPH1025549A (ja) * 1996-07-12 1998-01-27 Nippon Steel Corp 熱間加工性に優れたマルテンサイト系ステンレス鋼

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2953303B2 (ja) * 1994-05-13 1999-09-27 住友金属工業株式会社 マルテンサイトステンレス鋼
JP3243987B2 (ja) * 1995-11-08 2002-01-07 住友金属工業株式会社 高強度高耐食性マルテンサイト系ステンレス鋼材の製造方法
JP3533055B2 (ja) * 1996-03-27 2004-05-31 Jfeスチール株式会社 耐食性および溶接性に優れたラインパイプ用マルテンサイト鋼
JPH09327721A (ja) * 1996-06-11 1997-12-22 Nkk Corp 溶接性に優れたマルテンサイト系ステンレス溶接鋼管の製造方法
JPH10204587A (ja) * 1997-01-21 1998-08-04 Nkk Corp 耐硫化物応力腐食割れ性に優れた高Crラインパイプ用 鋼

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03120337A (ja) * 1989-10-03 1991-05-22 Sumitomo Metal Ind Ltd マルテンサイト系ステンレス鋼と製造方法
JPH05156409A (ja) * 1991-11-29 1993-06-22 Nippon Steel Corp 耐海水性に優れた高強度マルテンサイトステンレス鋼とその製造方法
EP0565117A1 (de) * 1992-04-09 1993-10-13 Sumitomo Chemical Company, Limited Martensitischer rostfreier Stahl für Petroleumquelle
EP0649915A1 (de) * 1993-10-22 1995-04-26 Nkk Corporation Hochfestes martensitisches rostfreies Stahl, und Verfahren zu seiner Herstellung
WO1996003532A1 (en) * 1994-07-21 1996-02-08 Nippon Steel Corporation Martensitic stainless steel having excellent hot workability and sulfide stress cracking resistance
JPH0841599A (ja) * 1994-07-26 1996-02-13 Sumitomo Metal Ind Ltd 溶接部の耐食性が優れたマルテンサイト系ステンレス鋼
JPH09291344A (ja) * 1996-02-26 1997-11-11 Nippon Steel Corp 低硬度マルテンサイト系ステンレス鋼
JPH1025549A (ja) * 1996-07-12 1998-01-27 Nippon Steel Corp 熱間加工性に優れたマルテンサイト系ステンレス鋼

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 015, no. 317 (C - 0858) 13 August 1991 (1991-08-13) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 554 (C - 1118) 6 October 1993 (1993-10-06) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 06 28 June 1996 (1996-06-28) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 03 27 February 1998 (1998-02-27) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 05 30 April 1998 (1998-04-30) *
See also references of WO0037700A1 *

Also Published As

Publication number Publication date
JP3620319B2 (ja) 2005-02-16
NO20012962D0 (no) 2001-06-15
JP2000178697A (ja) 2000-06-27
DE69928696D1 (de) 2006-01-05
DE69928696T2 (de) 2006-08-10
WO2000037700A1 (fr) 2000-06-29
EP1143024B1 (de) 2005-11-30
EP1143024A1 (de) 2001-10-10
NO20012962L (no) 2001-06-15

Similar Documents

Publication Publication Date Title
EP1141432A4 (de) Korrosionsresistenter austenitischer rostfreier stahl
AU2002258259A1 (en) Martensitic stainless steel
EP1099773A4 (de) Ferritische rostfreie stahlplatte
AU5072400A (en) Nickel-poor austenitic steel
EP0757112A4 (de) Rostfreier zweiphasiger stahl
SG82645A1 (en) Stainless steel for gaskets and production thereof
DE69811455D1 (de) Austenitisches, rostfreies Stahlventil
PL321826A1 (en) Constructional steel
NO996015D0 (no) Martensitiske rustfrie stålprodukter
EP1143024A4 (de) Martensitischer, rostfreier stahl
GB2312678B (en) Free-machining austenitic stainless steel
ZA983648B (en) Structural steel elements
HK1032078A1 (en) Austentic stainless steel including columbium
GB2338669B (en) Multi-wound stainless steel pipe
IL136927A0 (en) Welding processes with ferritic-austenitic stainless steel
GB9800954D0 (en) Well treatment with micro-organisms
AU742809C (en) Stainless steel
PL329050A1 (en) Austenitic-martensitic steel
AU3058699A (en) Stainless steel
GB9805634D0 (en) Improved stainless steels
GB9813719D0 (en) Plant dwarfing
AU138028S (en) Kitchen scale
GB9916172D0 (en) Stainless steels
AU4468900A (en) Free-machining austenitic stainless steel
GB9815497D0 (en) Treatment

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20010620

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

Kind code of ref document: A1

Designated state(s): DE FR IT NL

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

A4 Supplementary search report drawn up and despatched

Effective date: 20020620

AK Designated contracting states

Kind code of ref document: A4

Designated state(s): DE FR IT NL

RIC1 Information provided on ipc code assigned before grant

Free format text: 7C 22C 38/00 A, 7C 22C 38/44 B, 7C 22C 38/50 B, 7C 22C 38/42 B, 7C 22C 38/48 B

17Q First examination report despatched

Effective date: 20030325

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: JFE STEEL CORPORATION

RBV Designated contracting states (corrected)

Designated state(s): DE FR IT NL

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR IT NL

REF Corresponds to:

Ref document number: 69928696

Country of ref document: DE

Date of ref document: 20060105

Kind code of ref document: P

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20060831

NLS Nl: assignments of ep-patents

Owner name: NKKTUBES

Effective date: 20090403

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20101220

Year of fee payment: 12

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20120701

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20120701

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 17

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 18

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 19

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20181204

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20181122

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20181220

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 69928696

Country of ref document: DE