EP1143024A4 - Martensitic stainless steel - Google Patents

Martensitic stainless steel

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
German (de)
French (fr)
Other versions
EP1143024B1 (en
EP1143024A1 (en
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/en
Publication of EP1143024A4 publication Critical patent/EP1143024A4/en
Application granted granted Critical
Publication of EP1143024B1 publication Critical patent/EP1143024B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
EP99959849A 1998-12-18 1999-12-16 Martensitic stainless steel Expired - Lifetime EP1143024B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP36049398A JP3620319B2 (en) 1998-12-18 1998-12-18 Martensitic stainless steel with excellent corrosion resistance and weldability
JP36049398 1998-12-18
PCT/JP1999/007067 WO2000037700A1 (en) 1998-12-18 1999-12-16 Martensitic stainless steel

Publications (3)

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

Family

ID=18469643

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99959849A Expired - Lifetime EP1143024B1 (en) 1998-12-18 1999-12-16 Martensitic stainless steel

Country Status (5)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1317649B1 (en) * 2000-05-19 2003-07-15 Dalmine Spa MARTENSITIC STAINLESS STEEL AND PIPES WITHOUT WELDING WITH IT PRODUCTS
JP3797118B2 (en) * 2001-02-23 2006-07-12 Ｊｆｅスチール株式会社 Low Mo type corrosion resistant martensitic stainless steel
US7540402B2 (en) 2001-06-29 2009-06-02 Kva, Inc. Method for controlling weld metal microstructure using localized controlled cooling of seam-welded joints
ATE512752T1 (en) * 2001-06-29 2011-07-15 Edward J Mccrink METHOD FOR PRODUCING AN AIR HARDEN STAINLESS STEEL TUBE
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
JP4951564B2 (en) 2008-03-25 2012-06-13 住友化学株式会社 Regenerated sulfur recovery unit
US9284634B2 (en) 2011-04-11 2016-03-15 Nkk Tubes Martensitic stainless steel having excellent corrosion resistance
WO2019065115A1 (en) * 2017-09-29 2019-04-04 Ｊｆｅスチール株式会社 Oil well pipe martensitic stainless seamless steel pipe and production method for same

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03120337A (en) * 1989-10-03 1991-05-22 Sumitomo Metal Ind Ltd Martensitic stainless steel and its manufacture
JPH05156409A (en) * 1991-11-29 1993-06-22 Nippon Steel Corp High-strength martensite stainless steel having excellent sea water resistance and production thereof
EP0565117A1 (en) * 1992-04-09 1993-10-13 Sumitomo Chemical Company, Limited Martensitic stainless steel for use in oil wells
EP0649915A1 (en) * 1993-10-22 1995-04-26 Nkk Corporation High-strength martensitic stainless steel and method for making the same
WO1996003532A1 (en) * 1994-07-21 1996-02-08 Nippon Steel Corporation Martensitic stainless steel having excellent hot workability and sulfide stress cracking resistance
JPH0841599A (en) * 1994-07-26 1996-02-13 Sumitomo Metal Ind Ltd Martensitic stainless steel excellent in corrosion resistance in weld zone
JPH09291344A (en) * 1996-02-26 1997-11-11 Nippon Steel Corp Low hardness martensitic stainless steel
JPH1025549A (en) * 1996-07-12 1998-01-27 Nippon Steel Corp Martensitic stainless steel excellent in hot workability

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2953303B2 (en) * 1994-05-13 1999-09-27 住友金属工業株式会社 Martensite stainless steel
JP3243987B2 (en) * 1995-11-08 2002-01-07 住友金属工業株式会社 Manufacturing method of high strength and high corrosion resistance martensitic stainless steel
JP3533055B2 (en) * 1996-03-27 2004-05-31 Ｊｆｅスチール株式会社 Martensitic steel for line pipes with excellent corrosion resistance and weldability
JPH09327721A (en) * 1996-06-11 1997-12-22 Nkk Corp Production of martensitic stainless steel welded tube excellent in weldability
JPH10204587A (en) * 1997-01-21 1998-08-04 Nkk Corp High cr steel for line pipe, excellent in sulfide stress corrosion cracking resistance

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03120337A (en) * 1989-10-03 1991-05-22 Sumitomo Metal Ind Ltd Martensitic stainless steel and its manufacture
JPH05156409A (en) * 1991-11-29 1993-06-22 Nippon Steel Corp High-strength martensite stainless steel having excellent sea water resistance and production thereof
EP0565117A1 (en) * 1992-04-09 1993-10-13 Sumitomo Chemical Company, Limited Martensitic stainless steel for use in oil wells
EP0649915A1 (en) * 1993-10-22 1995-04-26 Nkk Corporation High-strength martensitic stainless steel and method for making the same
WO1996003532A1 (en) * 1994-07-21 1996-02-08 Nippon Steel Corporation Martensitic stainless steel having excellent hot workability and sulfide stress cracking resistance
JPH0841599A (en) * 1994-07-26 1996-02-13 Sumitomo Metal Ind Ltd Martensitic stainless steel excellent in corrosion resistance in weld zone
JPH09291344A (en) * 1996-02-26 1997-11-11 Nippon Steel Corp Low hardness martensitic stainless steel
JPH1025549A (en) * 1996-07-12 1998-01-27 Nippon Steel Corp Martensitic stainless steel excellent in hot workability

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
DE69928696T2 (en) 2006-08-10
EP1143024B1 (en) 2005-11-30
DE69928696D1 (en) 2006-01-05
NO20012962D0 (en) 2001-06-15
JP2000178697A (en) 2000-06-27
NO20012962L (en) 2001-06-15
EP1143024A1 (en) 2001-10-10
WO2000037700A1 (en) 2000-06-29
JP3620319B2 (en) 2005-02-16

Similar Documents

Publication Publication Date Title
EP1141432A4 (en) Corrosion resistant austenitic stainless steel
EP1099773A4 (en) Ferritic stainless steel plate
AU2002258259A1 (en) Martensitic stainless steel
AU5072400A (en) Nickel-poor austenitic steel
EP0757112A4 (en) Two-phase stainless steel
SG82645A1 (en) Stainless steel for gaskets and production thereof
DE69811455D1 (en) Austenitic, stainless steel valve
PL321826A1 (en) Constructional steel
AU4100299A (en) High nitrogen stainless steel
NO996015D0 (en) Martensitic stainless steel products
EP1143024A4 (en) Martensitic stainless steel
GB2312678B (en) Free-machining austenitic stainless steel
HK1032078A1 (en) Austentic stainless steel including columbium
GB2338669B (en) Multi-wound stainless steel pipe
GB9800954D0 (en) Well treatment with micro-organisms
AU742809C (en) Stainless steel
PL329050A1 (en) Austenitic-martensitic steel
IL136927A0 (en) Welding processes with ferritic-austenitic stainless steel
AU3058699A (en) Stainless steel
GB9805634D0 (en) Improved stainless steels
GB9813719D0 (en) Plant dwarfing
EP1038985A4 (en) Clean steel
GB9916172D0 (en) Stainless steels
AU4468900A (en) Free-machining austenitic stainless steel
GB2332918B (en) Steel structures

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