MX2016008501A - Rolled steel material for high-strength spring and wire for high-strength spring using same. - Google Patents
Rolled steel material for high-strength spring and wire for high-strength spring using same.Info
- Publication number
- MX2016008501A MX2016008501A MX2016008501A MX2016008501A MX2016008501A MX 2016008501 A MX2016008501 A MX 2016008501A MX 2016008501 A MX2016008501 A MX 2016008501A MX 2016008501 A MX2016008501 A MX 2016008501A MX 2016008501 A MX2016008501 A MX 2016008501A
- Authority
- MX
- Mexico
- Prior art keywords
- strength spring
- rolled steel
- steel material
- area fraction
- wire
- Prior art date
Links
Classifications
-
- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/003—Drawing materials of special alloys so far as the composition of the alloy requires or permits special drawing methods or sequences
-
- 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
- C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
- C21D3/02—Extraction of non-metals
- C21D3/06—Extraction of hydrogen
-
- 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
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
-
- 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
-
- 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
- C22C38/02—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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing 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
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
- C22C38/18—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
- C22C38/54—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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—Bainite
-
- 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
- C21D2211/005—Ferrite
-
- 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
-
- 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
- C21D2211/009—Pearlite
-
- 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
- C21D2261/00—Machining or cutting being involved
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Steel (AREA)
- Metal Extraction Processes (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The purpose of the present invention is to provide a rolled steel material which is for use in a high-strength spring, which exhibits excellent wire drawability even when the amount of an alloying element added is reduced, and which exhibits excellent corrosion fatigue characteristics after quenching and tempering. A rolled steel material for a high-strength spring, characterized in that: the rolled steel contains C, Si, Mn, P, S, Al, Cu and Ni; the nondiffusible hydrogen content is 0.40massppm or less; the area fraction of ferrite in terms of percentage satisfies relationship (1); and the total area fraction of bainite and martensite is 2% or less. Area fraction of ferrite < {(0.77 - [C])/0.77 - [C]/3 + 0.08} Ã 100 ... (1) [wherein "[element]" represents the content of the element in terms of mass%].
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013272569 | 2013-12-27 | ||
PCT/JP2014/082728 WO2015098531A1 (en) | 2013-12-27 | 2014-12-10 | Rolled steel material for high-strength spring and wire for high-strength spring using same |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2016008501A true MX2016008501A (en) | 2016-09-14 |
Family
ID=53478395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2016008501A MX2016008501A (en) | 2013-12-27 | 2014-12-10 | Rolled steel material for high-strength spring and wire for high-strength spring using same. |
Country Status (8)
Country | Link |
---|---|
US (1) | US20160319393A1 (en) |
EP (1) | EP3088551A4 (en) |
JP (1) | JP6212473B2 (en) |
KR (1) | KR20160102526A (en) |
CN (2) | CN105849297A (en) |
MX (1) | MX2016008501A (en) |
TW (1) | TWI535860B (en) |
WO (1) | WO2015098531A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6452454B2 (en) * | 2014-02-28 | 2019-01-16 | 株式会社神戸製鋼所 | Rolled material for high strength spring and wire for high strength spring |
JP6458927B2 (en) * | 2014-10-07 | 2019-01-30 | 大同特殊鋼株式会社 | High-strength spring steel with excellent wire rod rollability |
WO2017122828A1 (en) * | 2016-01-15 | 2017-07-20 | 株式会社神戸製鋼所 | Rolled material for high-strength spring |
WO2017122827A1 (en) * | 2016-01-15 | 2017-07-20 | 株式会社神戸製鋼所 | Wire for high-strength spring, and method for producing same |
EP3640357A4 (en) | 2017-06-15 | 2020-09-30 | Nippon Steel Corporation | Rolled wire for spring steel |
WO2019003397A1 (en) * | 2017-06-28 | 2019-01-03 | 三菱製鋼株式会社 | Method for manufacturing hollow stabilizer |
KR102020385B1 (en) * | 2017-09-29 | 2019-11-04 | 주식회사 포스코 | Steel wire rod and steel wire for spring having corrosion fatigue resistance and method of manufacturing thereof |
JP7226548B2 (en) | 2019-06-19 | 2023-02-21 | 日本製鉄株式会社 | wire |
EP3796101A1 (en) * | 2019-09-20 | 2021-03-24 | Nivarox-FAR S.A. | Hairspring for clock movement |
Family Cites Families (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6487746A (en) * | 1987-06-19 | 1989-03-31 | Kobe Steel Ltd | Ultra-high-strength extra fine wire |
JPS63317626A (en) * | 1987-06-19 | 1988-12-26 | Kobe Steel Ltd | Production of ultra-high strength extremely fine wire |
JPH01224540A (en) * | 1988-02-29 | 1989-09-07 | Kobe Steel Ltd | Fine spring |
US5951944A (en) * | 1994-12-21 | 1999-09-14 | Mitsubishi Steel Mfg. Co., Ltd. | Lowly decarburizable spring steel |
US5776267A (en) * | 1995-10-27 | 1998-07-07 | Kabushiki Kaisha Kobe Seiko Sho | Spring steel with excellent resistance to hydrogen embrittlement and fatigue |
JP3816721B2 (en) * | 2000-04-07 | 2006-08-30 | 株式会社神戸製鋼所 | High strength wire rod excellent in delayed fracture resistance and under neck toughness, or delayed fracture resistance, forgeability and under neck toughness, and method for producing the same |
JP4261760B2 (en) * | 2000-10-10 | 2009-04-30 | 新日本製鐵株式会社 | High strength spring steel excellent in hydrogen fatigue fracture resistance and manufacturing method thereof |
JP3918587B2 (en) * | 2002-03-07 | 2007-05-23 | 大同特殊鋼株式会社 | Spring steel for cold forming |
JP3764715B2 (en) | 2002-10-22 | 2006-04-12 | 新日本製鐵株式会社 | Steel wire for high-strength cold forming spring and its manufacturing method |
JP4280123B2 (en) * | 2003-07-01 | 2009-06-17 | 株式会社神戸製鋼所 | Spring steel with excellent corrosion fatigue resistance |
JP4008391B2 (en) * | 2003-07-11 | 2007-11-14 | 株式会社神戸製鋼所 | High strength steel with excellent hydrogen embrittlement resistance and method for producing the same |
JP4555768B2 (en) | 2004-11-30 | 2010-10-06 | 新日本製鐵株式会社 | Steel wire for high strength spring |
JP4476846B2 (en) * | 2005-03-03 | 2010-06-09 | 株式会社神戸製鋼所 | High strength spring steel with excellent cold workability and quality stability |
JP4423253B2 (en) * | 2005-11-02 | 2010-03-03 | 株式会社神戸製鋼所 | Spring steel excellent in hydrogen embrittlement resistance, and steel wire and spring obtained from the steel |
JP4423254B2 (en) * | 2005-12-02 | 2010-03-03 | 株式会社神戸製鋼所 | High strength spring steel wire with excellent coiling and hydrogen embrittlement resistance |
JP4027956B2 (en) * | 2006-01-23 | 2007-12-26 | 株式会社神戸製鋼所 | High strength spring steel having excellent brittle fracture resistance and method for producing the same |
JP4393467B2 (en) * | 2006-02-28 | 2010-01-06 | 株式会社神戸製鋼所 | Hot rolled wire rod for strong wire drawing and manufacturing method thereof |
JP2007327084A (en) * | 2006-06-06 | 2007-12-20 | Kobe Steel Ltd | Wire rod having excellent wire drawability and its production method |
US8734599B2 (en) * | 2006-10-11 | 2014-05-27 | Posco | Steel wire rod for high strength and high toughness spring having excellent cold workability, method for producing the same and method for producing spring by using the same |
KR100797327B1 (en) * | 2006-10-11 | 2008-01-22 | 주식회사 포스코 | Steel wire rod for high strength and high toughness spring having excellent cold workability, method for producing the same and method for producing spring by using the same |
JP4310359B2 (en) * | 2006-10-31 | 2009-08-05 | 株式会社神戸製鋼所 | Steel wire for hard springs with excellent fatigue characteristics and wire drawability |
JP4699342B2 (en) * | 2006-11-17 | 2011-06-08 | 株式会社神戸製鋼所 | High strength non-tempered steel for cold forging with excellent fatigue limit ratio |
JP5157230B2 (en) * | 2007-04-13 | 2013-03-06 | 新日鐵住金株式会社 | High carbon steel wire rod with excellent wire drawing workability |
CN101624679B (en) * | 2007-07-20 | 2011-08-17 | 株式会社神户制钢所 | Steel wire material for spring and its producing method |
CN102268604A (en) * | 2007-07-20 | 2011-12-07 | 株式会社神户制钢所 | Steel wire material for spring and its producing method |
JP4694537B2 (en) * | 2007-07-23 | 2011-06-08 | 株式会社神戸製鋼所 | Spring wire with excellent fatigue characteristics |
JP5121360B2 (en) * | 2007-09-10 | 2013-01-16 | 株式会社神戸製鋼所 | Spring steel wire rod excellent in decarburization resistance and wire drawing workability, and method for producing the same |
JP5476598B2 (en) * | 2010-03-04 | 2014-04-23 | 株式会社神戸製鋼所 | Manufacturing method of seamless steel pipe for high strength hollow spring |
JP5250609B2 (en) * | 2010-11-11 | 2013-07-31 | 日本発條株式会社 | Steel for high strength spring, method for producing high strength spring, and high strength spring |
JP5655627B2 (en) * | 2011-02-24 | 2015-01-21 | 新日鐵住金株式会社 | High strength spring steel with excellent hydrogen embrittlement resistance |
JP6452454B2 (en) * | 2014-02-28 | 2019-01-16 | 株式会社神戸製鋼所 | Rolled material for high strength spring and wire for high strength spring |
-
2014
- 2014-12-09 JP JP2014248907A patent/JP6212473B2/en not_active Ceased
- 2014-12-10 EP EP14875039.1A patent/EP3088551A4/en not_active Withdrawn
- 2014-12-10 WO PCT/JP2014/082728 patent/WO2015098531A1/en active Application Filing
- 2014-12-10 MX MX2016008501A patent/MX2016008501A/en unknown
- 2014-12-10 US US15/107,994 patent/US20160319393A1/en not_active Abandoned
- 2014-12-10 KR KR1020167020136A patent/KR20160102526A/en not_active Application Discontinuation
- 2014-12-10 CN CN201480070614.5A patent/CN105849297A/en active Pending
- 2014-12-10 CN CN201811092603.3A patent/CN109112262A/en active Pending
- 2014-12-15 TW TW103143676A patent/TWI535860B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US20160319393A1 (en) | 2016-11-03 |
WO2015098531A1 (en) | 2015-07-02 |
TWI535860B (en) | 2016-06-01 |
EP3088551A4 (en) | 2017-08-23 |
CN105849297A (en) | 2016-08-10 |
CN109112262A (en) | 2019-01-01 |
KR20160102526A (en) | 2016-08-30 |
TW201538747A (en) | 2015-10-16 |
JP2015143391A (en) | 2015-08-06 |
JP6212473B2 (en) | 2017-10-11 |
EP3088551A1 (en) | 2016-11-02 |
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