EP4227425A4 - Martensitic stainless steel material - Google Patents
Martensitic stainless steel materialInfo
- Publication number
- EP4227425A4 EP4227425A4 EP21877705.0A EP21877705A EP4227425A4 EP 4227425 A4 EP4227425 A4 EP 4227425A4 EP 21877705 A EP21877705 A EP 21877705A EP 4227425 A4 EP4227425 A4 EP 4227425A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- stainless steel
- steel material
- martensitic stainless
- martensitic
- steel
- 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.)
- Pending
Links
- 229910001105 martensitic stainless steel Inorganic materials 0.000 title 1
- 239000000463 material Substances 0.000 title 1
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
- C22C38/004—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
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/007—Heat treatment of ferrous alloys containing Co
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires 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
- C21D8/10—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
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
-
- 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
- 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
- C21D9/085—Cooling or quenching
-
- 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
- C22C38/002—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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/04—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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- 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
-
- 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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020170659 | 2020-10-08 | ||
JP2020170658 | 2020-10-08 | ||
PCT/JP2021/037135 WO2022075406A1 (en) | 2020-10-08 | 2021-10-07 | Martensitic stainless steel material |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4227425A1 EP4227425A1 (en) | 2023-08-16 |
EP4227425A4 true EP4227425A4 (en) | 2024-04-17 |
Family
ID=81126521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21877705.0A Pending EP4227425A4 (en) | 2020-10-08 | 2021-10-07 | Martensitic stainless steel material |
Country Status (4)
Country | Link |
---|---|
US (1) | US20230366071A1 (en) |
EP (1) | EP4227425A4 (en) |
JP (1) | JP7173405B2 (en) |
WO (1) | WO2022075406A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7381983B2 (en) * | 2021-11-09 | 2023-11-16 | 日本製鉄株式会社 | Martensitic seamless stainless steel pipe and method for manufacturing martensitic seamless stainless steel pipe |
JP7428954B1 (en) | 2022-05-25 | 2024-02-07 | 日本製鉄株式会社 | Martensitic stainless steel material |
JP7428953B1 (en) | 2022-05-25 | 2024-02-07 | 日本製鉄株式会社 | Martensitic stainless steel material |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170096722A1 (en) * | 2014-05-21 | 2017-04-06 | Jfe Steel Corporation | High-strength seamless stainless steel pipe for oil country tubular goods and method for manufacturing the same |
WO2020067247A1 (en) * | 2018-09-27 | 2020-04-02 | 日本製鉄株式会社 | Martensitic stainless steel material |
WO2020071344A1 (en) * | 2018-10-02 | 2020-04-09 | 日本製鉄株式会社 | Martensite-based stainless steel seamless pipe |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3444008B2 (en) | 1995-03-10 | 2003-09-08 | 住友金属工業株式会社 | Martensitic stainless steel with excellent carbon dioxide corrosion resistance and sulfide stress corrosion cracking resistance |
JPH101755A (en) | 1996-04-15 | 1998-01-06 | Nippon Steel Corp | Martensitic stainless steel excellent in corrosion resistance and sulfide stress corrosion cracking resistance and its production |
JP3598771B2 (en) * | 1996-12-19 | 2004-12-08 | 住友金属工業株式会社 | Martensitic stainless steel excellent in hot workability and sulfide stress cracking resistance, method of bulk rolling thereof, seamless steel pipe using these, and method of manufacturing the same |
-
2021
- 2021-10-07 JP JP2022519989A patent/JP7173405B2/en active Active
- 2021-10-07 EP EP21877705.0A patent/EP4227425A4/en active Pending
- 2021-10-07 WO PCT/JP2021/037135 patent/WO2022075406A1/en unknown
- 2021-10-07 US US18/245,564 patent/US20230366071A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170096722A1 (en) * | 2014-05-21 | 2017-04-06 | Jfe Steel Corporation | High-strength seamless stainless steel pipe for oil country tubular goods and method for manufacturing the same |
WO2020067247A1 (en) * | 2018-09-27 | 2020-04-02 | 日本製鉄株式会社 | Martensitic stainless steel material |
WO2020071344A1 (en) * | 2018-10-02 | 2020-04-09 | 日本製鉄株式会社 | Martensite-based stainless steel seamless pipe |
Non-Patent Citations (1)
Title |
---|
See also references of WO2022075406A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP4227425A1 (en) | 2023-08-16 |
JPWO2022075406A1 (en) | 2022-04-14 |
WO2022075406A1 (en) | 2022-04-14 |
US20230366071A1 (en) | 2023-11-16 |
JP7173405B2 (en) | 2022-11-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3604591A4 (en) | Martensitic stainless steel material | |
EP3859031A4 (en) | Martensitic stainless steel material | |
EP4227425A4 (en) | Martensitic stainless steel material | |
EP3441495A4 (en) | Austenitic stainless steel material | |
EP3508602A4 (en) | Austenitic stainless steel | |
EP4063526A4 (en) | Ferritic stainless steel sheet | |
ZA201806809B (en) | Twip steel sheet having an austenitic matrix | |
EP3530769A4 (en) | Martensitic stainless steel sheet | |
SG11201707814WA (en) | Austenitic stainless steel sheet, cover member and production method for austenitic stainless steel sheet | |
PL3322830T3 (en) | Martensitic stainless steel | |
EP3604589A4 (en) | Ferritic stainless steel | |
SG11201707810UA (en) | Ferritic stainless steel sheet, cover member and production method for ferritic stainless steel sheet | |
EP3480330A4 (en) | Austenitic stainless steel | |
EP3339459A4 (en) | Vibration-damping ferritic stainless steel material, and production method | |
EP4089195A4 (en) | Austenitic stainless steel material | |
EP4227424A4 (en) | Martensite-based stainless steel material | |
EP3865600A4 (en) | High-strength nonmagnetic austenitic stainless steel and manufacturing method therefor | |
SG11202008033RA (en) | Stainless steel member and production method thereof | |
EP3444371A4 (en) | Martensitic stainless steel sheet | |
EP3875624A4 (en) | Austenitic stainless steel sheet | |
PL3899063T3 (en) | Super austenitic material | |
PL3441496T3 (en) | Austenite stainless steel and production method therefor | |
EP4234735A4 (en) | Plated steel material | |
EP3693487A4 (en) | Austenitic stainless steel | |
ZA201806599B (en) | Twip steel sheet having an austenitic matrix |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
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 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20230315 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: C21D0008060000 Ipc: C21D0001180000 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20240315 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C22C 38/54 20060101ALI20240311BHEP Ipc: C22C 38/52 20060101ALI20240311BHEP Ipc: C22C 38/50 20060101ALI20240311BHEP Ipc: C22C 38/48 20060101ALI20240311BHEP Ipc: C22C 38/46 20060101ALI20240311BHEP Ipc: C22C 38/44 20060101ALI20240311BHEP Ipc: C21D 8/06 20060101ALI20240311BHEP Ipc: C22C 38/42 20060101ALI20240311BHEP Ipc: C22C 38/04 20060101ALI20240311BHEP Ipc: C22C 38/02 20060101ALI20240311BHEP Ipc: C22C 38/00 20060101ALI20240311BHEP Ipc: C21D 9/08 20060101ALI20240311BHEP Ipc: C21D 9/00 20060101ALI20240311BHEP Ipc: C21D 8/10 20060101ALI20240311BHEP Ipc: C21D 6/00 20060101ALI20240311BHEP Ipc: C21D 1/26 20060101ALI20240311BHEP Ipc: C21D 1/25 20060101ALI20240311BHEP Ipc: C21D 1/18 20060101AFI20240311BHEP |