[go: up one dir, main page]

RU2008128865A - SPRING STEEL, METHOD FOR PRODUCING A SPRING FROM SUCH STEEL AND A SPRING FROM THIS STEEL - Google Patents

SPRING STEEL, METHOD FOR PRODUCING A SPRING FROM SUCH STEEL AND A SPRING FROM THIS STEEL Download PDF

Info

Publication number
RU2008128865A
RU2008128865A RU2008128865/02A RU2008128865A RU2008128865A RU 2008128865 A RU2008128865 A RU 2008128865A RU 2008128865/02 A RU2008128865/02 A RU 2008128865/02A RU 2008128865 A RU2008128865 A RU 2008128865A RU 2008128865 A RU2008128865 A RU 2008128865A
Authority
RU
Russia
Prior art keywords
traces
steel
spring
smelting
spring steel
Prior art date
Application number
RU2008128865/02A
Other languages
Russian (ru)
Other versions
RU2397270C2 (en
Inventor
Нао ЕСИХАРА (JP)
Нао ЕСИХАРА
Казухиса КАВАТА (JP)
Казухиса КАВАТА
Жюли МУГЕН (FR)
Жюли МУГЕН
Жак ЛАНГИЙОМ (FR)
Жак ЛАНГИЙОМ
Original Assignee
Аскометаль (Fr)
Аскометаль
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 Аскометаль (Fr), Аскометаль filed Critical Аскометаль (Fr)
Publication of RU2008128865A publication Critical patent/RU2008128865A/en
Application granted granted Critical
Publication of RU2397270C2 publication Critical patent/RU2397270C2/en

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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
    • 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
    • C22C38/04—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
    • C22C38/34—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
    • 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
    • C21D2211/004—Dispersions; Precipitations

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)
  • Wire Processing (AREA)
  • Springs (AREA)

Abstract

1. Пружинная сталь с повышенной усталостной прочностью на воздухе и в коррозионной среде и с высокой стойкостью против циклического разупрочнения, следующего состава, вес.%: ! С0,45-0,70Si1,65-2,50Mn0,20-0,75Cr0,60-2,0Ni0,15-1,0Моследы-1,0V0,003-0,8Cu0,10-1,0Ti0,020-0,2Nbследы-0,2Al0,002-0,050Рследы-0,015Sследы-0,015Оследы-0,0020N0,0020-0,0110 ! остальное - железо и сопутствующие при выплавке примеси, при этом содержание эквивалентного углерода Ceq в стали, рассчитанное по формуле: ! Ceq%=[С%]+0,12[Si%]+0,17[Mn%]-0,1[Ni%]+0,13[Cr5]-0,24[V%], ! составляет от 0,80 до 1,00%, твердость стали после закалки и отпуска превышает или равна 55 HRC. ! 2. Пружинная сталь по п.1, отличающаяся тем, что максимальный размер нитридов или карбонитридов титана на глубине 1,5 мм±0,5 мм от поверхности прутка, катанки или заготовки или пружины сечением с площадью 100 мм2 составляет 20 мкм или менее, причем упомянутый размер является величиной квадратного корня величины площади включений, форму которых принимают за квадрат. ! 3. Пружинная сталь по п.1 или 2, отличающаяся тем, что она имеет следующий состав, вес.%: ! С0,45-0,65Si1,65-2,20Mn0,20-0,65Cr0,80-1,7Ni0,15-0,80Моследы-0,80V0,003-0,5Сu0,10-0,90Ti0,020-0,15Nbследы-0,15Al0,002-0,050Рследы-0,010Sследы-0,010Oследы-0,0020N0,0020-0,0110 ! остальное - железо и сопутствующие при выплавке примеси. ! 4. Способ получения пружинной стали с повышенной усталостной прочностью на воздухе и в коррозионной среде и с высокой стойкостью против циклического разупрочнения, включающий выплавку жидкой стали в конвертере или электропечи, корректировку ее состава, разливку с получением блюмов или сутунок способом непрерывной разливки или слитков, охлаждение до температуры окружающей среды, прокатку с получением прутков, катанки или заготовок и изготовление пружин, отличающи�1. Spring steel with increased fatigue resistance in air and in a corrosive environment and with high resistance to cyclic softening, of the following composition, wt.%:! C0.45-0.70 Si1.65-2.50Mn0.20-0.75Cr0.60-2.0 Ni0.15-1.0 Sequences-1.0V0.003-0.8Cu0.10-1.0 Ti0.020- 0.2Nb-traces-0.2Al0.002-0.050-traces-0.015S-traces-0.015Traces-0.0020N0.0020-0.0110! the rest is iron and impurities associated with the smelting, while the content of Ceq equivalent carbon in steel, calculated by the formula:! Ceq% = [C%] + 0.12 [Si%] + 0.17 [Mn%] - 0.1 [Ni%] + 0.13 [Cr5] -0.24 [V%],! ranges from 0.80 to 1.00%, the hardness of steel after quenching and tempering is greater than or equal to 55 HRC. ! 2. Spring steel according to claim 1, characterized in that the maximum size of titanium nitrides or carbonitrides at a depth of 1.5 mm ± 0.5 mm from the surface of a rod, wire rod or billet or spring with a cross-section with an area of 100 mm2 is 20 μm or less, wherein said size is the square root value of the area of inclusions, the shape of which is taken as square. ! 3. Spring steel according to claim 1 or 2, characterized in that it has the following composition, wt.%:! С0.45-0.65Si1.65-2.20Mn0.20-0.65Cr0.80-1.7Ni0.15-0.80 Sequences-0.80V0.003-0.5Cu0.10-0.90Ti0.020- 0.15 Nb traces-0.15 Al0.002-0.050 Traces-0.010 S traces-0.010 O traces-0.0020N0.0020-0.0110! the rest is iron and the impurities associated with the smelting. ! 4. A method of producing spring steel with increased fatigue strength in air and in a corrosive environment and with high resistance against cyclic softening, including smelting of liquid steel in a converter or electric furnace, adjusting its composition, casting to produce blooms or sutures by continuous casting or ingots, cooling to ambient temperature, rolling to produce rods, wire rods or billets and manufacturing springs that distinguish

Claims (6)

1. Пружинная сталь с повышенной усталостной прочностью на воздухе и в коррозионной среде и с высокой стойкостью против циклического разупрочнения, следующего состава, вес.%:1. Spring steel with increased fatigue strength in air and in a corrosive environment and with high resistance against cyclic softening, of the following composition, wt.%: СFROM 0,45-0,700.45-0.70 SiSi 1,65-2,501.65-2.50 MnMn 0,20-0,750.20-0.75 CrCr 0,60-2,00.60-2.0 NiNi 0,15-1,00.15-1.0 МоMo следы-1,0traces-1.0 VV 0,003-0,80.003-0.8 CuCu 0,10-1,00.10-1.0 TiTi 0,020-0,20,020-0,2 NbNb следы-0,2traces-0.2 AlAl 0,002-0,0500.002-0.050 РR следы-0,015footprints-0.015 SS следы-0,015footprints-0.015 ОABOUT следы-0,0020traces-0.0020 NN 0,0020-0,01100.0020-0.0110
остальное - железо и сопутствующие при выплавке примеси, при этом содержание эквивалентного углерода Ceq в стали, рассчитанное по формуле:the rest is iron and impurities associated with the smelting, while the content of Ceq equivalent carbon in steel, calculated by the formula: Ceq%=[С%]+0,12[Si%]+0,17[Mn%]-0,1[Ni%]+0,13[Cr5]-0,24[V%],Ceq% = [C%] + 0.12 [Si%] + 0.17 [Mn%] - 0.1 [Ni%] + 0.13 [Cr5] -0.24 [V%], составляет от 0,80 до 1,00%, твердость стали после закалки и отпуска превышает или равна 55 HRC.ranges from 0.80 to 1.00%, the hardness of steel after quenching and tempering is greater than or equal to 55 HRC. 2. Пружинная сталь по п.1, отличающаяся тем, что максимальный размер нитридов или карбонитридов титана на глубине 1,5 мм±0,5 мм от поверхности прутка, катанки или заготовки или пружины сечением с площадью 100 мм2 составляет 20 мкм или менее, причем упомянутый размер является величиной квадратного корня величины площади включений, форму которых принимают за квадрат.2. Spring steel according to claim 1, characterized in that the maximum size of titanium nitrides or carbonitrides at a depth of 1.5 mm ± 0.5 mm from the surface of a rod, wire rod or billet or spring with a cross section of 100 mm 2 is 20 μm or less wherein said size is the square root value of the area of inclusions whose shape is taken as square. 3. Пружинная сталь по п.1 или 2, отличающаяся тем, что она имеет следующий состав, вес.%:3. Spring steel according to claim 1 or 2, characterized in that it has the following composition, wt.%: СFROM 0,45-0,650.45-0.65 SiSi 1,65-2,201.65-2.20 MnMn 0,20-0,650.20-0.65 CrCr 0,80-1,70.80-1.7 NiNi 0,15-0,800.15-0.80 МоMo следы-0,80traces-0.80 VV 0,003-0,50.003-0.5 СuCu 0,10-0,900.10-0.90 TiTi 0,020-0,150,020-0,15 NbNb следы-0,15traces-0.15 AlAl 0,002-0,0500.002-0.050 РR следы-0,010traces-0.010 SS следы-0,010traces-0.010 OO следы-0,0020traces-0.0020 NN 0,0020-0,01100.0020-0.0110
остальное - железо и сопутствующие при выплавке примеси.the rest is iron and the impurities associated with the smelting. 4. Способ получения пружинной стали с повышенной усталостной прочностью на воздухе и в коррозионной среде и с высокой стойкостью против циклического разупрочнения, включающий выплавку жидкой стали в конвертере или электропечи, корректировку ее состава, разливку с получением блюмов или сутунок способом непрерывной разливки или слитков, охлаждение до температуры окружающей среды, прокатку с получением прутков, катанки или заготовок и изготовление пружин, отличающийся тем, что:4. A method of producing spring steel with increased fatigue strength in air and in a corrosive environment and with high resistance against cyclic softening, including the smelting of liquid steel in a converter or electric furnace, the adjustment of its composition, casting to produce blooms or sutures by continuous casting or ingots, cooling to ambient temperature, rolling to obtain rods, wire rods or billets and the manufacture of springs, characterized in that: сталь представляет собой тип стали по любому из пп.1-3,steel is a type of steel according to any one of claims 1 to 3, блюмы, сутунки или слитки во время их затвердевания или после него подвергают охлаждению со средней скоростью 0,3°С/с в диапазоне 1450-1300°С,blooms, stoops or ingots during their solidification or after it is subjected to cooling at an average rate of 0.3 ° C / s in the range of 1450-1300 ° C, указанные блюмы, сутунки или слитки прокатывают при температуре 1200-800°С за один или два цикла нагрева и прокатки,these blooms, stoops or ingots are rolled at a temperature of 1200-800 ° C for one or two heating and rolling cycles, подвергают блюмы, катанку или заготовки или изготовленные из них пружины аустенизации в диапазоне температур 850-1000°С с последующей закалкой в воду, полимер или масло и отпуску при 300-550°С для придания стали твердости 55 HRC или более.subjected to blooms, wire rod or billets or austenitization springs made from them in the temperature range 850-1000 ° C followed by quenching in water, polymer or oil and tempering at 300-550 ° C to give steel hardness of 55 HRC or more. 5. Пружина, отличающаяся тем, что ее изготавливают из стали по любому из пп.1-3.5. A spring, characterized in that it is made of steel according to any one of claims 1 to 3. 6. Пружина по п.5, отличающаяся тем, что ее изготавливают из стали, полученной способом по п.4. 6. The spring according to claim 5, characterized in that it is made of steel obtained by the method according to claim 4.
RU2008128865/02A 2005-12-15 2006-12-11 Spring steel, procedure for fabrication of spring out of this steel ans spring out of this steel RU2397270C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0512775 2005-12-15
FR0512775A FR2894987B1 (en) 2005-12-15 2005-12-15 SPRING STEEL, AND METHOD OF MANUFACTURING A SPRING USING THE SAME, AND SPRING REALIZED IN SUCH A STEEL

Publications (2)

Publication Number Publication Date
RU2008128865A true RU2008128865A (en) 2010-01-20
RU2397270C2 RU2397270C2 (en) 2010-08-20

Family

ID=36933407

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2008128865/02A RU2397270C2 (en) 2005-12-15 2006-12-11 Spring steel, procedure for fabrication of spring out of this steel ans spring out of this steel

Country Status (18)

Country Link
US (1) US20080308195A1 (en)
EP (1) EP1966407B1 (en)
JP (1) JP4869051B2 (en)
KR (1) KR101048946B1 (en)
CN (1) CN101400818B (en)
AT (1) ATE445026T1 (en)
BR (1) BRPI0619892B1 (en)
CA (1) CA2633153C (en)
DE (1) DE602006009705D1 (en)
ES (1) ES2331539T3 (en)
FR (1) FR2894987B1 (en)
ME (1) ME01062B (en)
NO (1) NO341748B1 (en)
PL (1) PL1966407T3 (en)
RS (1) RS51070B (en)
RU (1) RU2397270C2 (en)
SI (1) SI1966407T1 (en)
WO (1) WO2007080256A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114990451A (en) * 2022-08-05 2022-09-02 山东联美弹簧科技股份有限公司 Microalloyed steel for automobile spring stabilizer bar and preparation method thereof

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008062010A2 (en) 2006-11-22 2008-05-29 Novo Nordisk A/S Method for making activated carboxypeptidases
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
JP5653022B2 (en) * 2009-09-29 2015-01-14 中央発條株式会社 Spring steel and spring with excellent corrosion fatigue strength
US8349095B2 (en) * 2009-09-29 2013-01-08 Chuo Hatsujo Kabushiki Kaisha Spring steel and spring having superior corrosion fatigue strength
CN102151693B (en) * 2010-12-02 2012-01-11 大冶特殊钢股份有限公司 Method for rolling low-hardness small-sized spring steel
JP5711539B2 (en) 2011-01-06 2015-05-07 中央発條株式会社 Spring with excellent corrosion fatigue strength
CN103014533B (en) * 2011-10-19 2015-02-04 宝钢集团新疆八一钢铁有限公司 Technique for prolonging fatigue life of 50CrVA plate spring
KR101353649B1 (en) 2011-12-23 2014-01-20 주식회사 포스코 Wire rod and steel wire having high corrosion resistance, method of manufacturing spring and steel wire for spring
ES2765016T3 (en) * 2012-01-11 2020-06-05 Kobe Steel Ltd Bolt and Bolt Manufacturing Method
CN102735749A (en) * 2012-06-28 2012-10-17 吴江市宏达探伤器材有限公司 Magnetic particle inspection test block and preparation method thereof
JP2015034324A (en) * 2013-08-08 2015-02-19 山陽特殊製鋼株式会社 Steel with excellent rolling fatigue life
CN103499595B (en) * 2013-10-17 2016-01-13 武汉钢铁(集团)公司 Spring steel clip foreign material chemical composition microcell method for quantitative measuring
KR101446135B1 (en) 2013-12-26 2014-10-02 주식회사 세아베스틸 Steel for suspension spring with high strength and excellent fatigue and method producing the same
JP6282571B2 (en) * 2014-10-31 2018-02-21 株式会社神戸製鋼所 Manufacturing method of high strength hollow spring steel
CN105112799A (en) * 2015-09-01 2015-12-02 广西南宁智翠科技咨询有限公司 Special spring wire for vehicle engine
CN105178224B (en) * 2015-10-09 2017-05-03 耿志斌 Road and bridge collision avoidance protective device
KR101776462B1 (en) * 2015-12-04 2017-09-20 현대자동차주식회사 Coil spring steel
KR101745192B1 (en) 2015-12-04 2017-06-09 현대자동차주식회사 Ultra high strength spring steel
KR101745196B1 (en) * 2015-12-07 2017-06-09 현대자동차주식회사 Ultra high strength spring steel
KR101776490B1 (en) * 2016-04-15 2017-09-08 현대자동차주식회사 High strength spring steel having excellent corrosion resistance
KR101776491B1 (en) * 2016-04-15 2017-09-20 현대자동차주식회사 High strength spring steel having excellent corrosion resistance
JP6356309B1 (en) * 2016-10-19 2018-07-11 三菱製鋼株式会社 High-strength spring, method for manufacturing the same, steel for high-strength spring, and method for manufacturing the same
DE102017107487A1 (en) 2017-04-07 2018-10-11 Schaeffler Technologies AG & Co. KG Method for producing a torsion bar spring and stabilizer for a chassis of a motor vehicle
US11674193B2 (en) * 2017-05-25 2023-06-13 Sumitomo Electric Industries, Ltd. Canted coil spring and connector
MX2019014873A (en) * 2017-06-15 2020-02-07 Nippon Steel Corp Rolled wire for spring steel.
CN107550124A (en) * 2017-09-07 2018-01-09 南通通联海绵塑料有限公司 A kind of sponges spring mattress manufacture method
EP3796101B1 (en) * 2019-09-20 2025-02-19 Nivarox-FAR S.A. Hairspring for clock movement
CN114134431B (en) * 2021-05-10 2022-12-30 江阴兴澄特种钢铁有限公司 2000 Mpa-grade high-strength high-toughness high-hardenability spring steel by square billet continuous casting and rolling and manufacturing method thereof
CN113930680B (en) * 2021-09-29 2023-03-17 武汉钢铁有限公司 Low-temperature-resistant high-strength spring flat steel and production method thereof
JP2023120677A (en) 2022-02-18 2023-08-30 日本発條株式会社 Inclusion evaluation method
CN115125450B (en) * 2022-06-29 2023-03-21 浙江伊思灵双第弹簧有限公司 Microalloyed spring and manufacturing process thereof
CN115961215B (en) * 2022-12-09 2024-10-18 铜陵有色金神耐磨材料有限责任公司 High-wear-resistance Cr-Mo steel lining plate for light semi-autogenous mill and preparation method

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2078445C1 (en) * 1995-04-14 1997-04-27 Тарасов Виктор Алексеевич STEEL
US5776267A (en) * 1995-10-27 1998-07-07 Kabushiki Kaisha Kobe Seiko Sho Spring steel with excellent resistance to hydrogen embrittlement and fatigue
JP3474373B2 (en) * 1995-10-27 2003-12-08 株式会社神戸製鋼所 Spring steel with excellent hydrogen embrittlement resistance and fatigue properties
JPH09324219A (en) * 1996-06-05 1997-12-16 Kobe Steel Ltd Production of high strength spring excellent in hydrogen embrittlement resistance
JPH10121201A (en) * 1996-10-14 1998-05-12 Kobe Steel Ltd High strength spring excellent in delayed fracture resistance
JPH10299803A (en) * 1997-04-22 1998-11-13 Kobe Steel Ltd High strength spring favourable in environmental brittleness resistance
JP3577411B2 (en) * 1997-05-12 2004-10-13 新日本製鐵株式会社 High toughness spring steel
JP3246733B2 (en) * 1999-10-29 2002-01-15 三菱製鋼室蘭特殊鋼株式会社 High strength spring steel
RU2158320C1 (en) * 1999-11-29 2000-10-27 ОАО "Чусовской металлургический завод" Low-hardening structural steel
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
JP2003105485A (en) * 2001-09-26 2003-04-09 Nippon Steel Corp High-strength spring steel excellent in hydrogen fatigue fracture resistance and method for producing the same
JP2003105496A (en) * 2001-09-26 2003-04-09 Daido Steel Co Ltd Spring steel with excellent low decarburization and delayed fracture resistance
JP3918587B2 (en) * 2002-03-07 2007-05-23 大同特殊鋼株式会社 Spring steel for cold forming
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
JP4476863B2 (en) * 2005-04-11 2010-06-09 株式会社神戸製鋼所 Steel wire for cold forming springs with excellent corrosion resistance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114990451A (en) * 2022-08-05 2022-09-02 山东联美弹簧科技股份有限公司 Microalloyed steel for automobile spring stabilizer bar and preparation method thereof

Also Published As

Publication number Publication date
CA2633153C (en) 2013-05-07
FR2894987A1 (en) 2007-06-22
WO2007080256A1 (en) 2007-07-19
KR101048946B1 (en) 2011-07-12
SI1966407T1 (en) 2009-12-31
PL1966407T3 (en) 2010-04-30
BRPI0619892B1 (en) 2016-06-07
EP1966407B1 (en) 2009-10-07
NO20082766L (en) 2008-07-14
RS51070B (en) 2010-10-31
BRPI0619892A2 (en) 2011-10-25
JP4869051B2 (en) 2012-02-01
ME01062B (en) 2012-10-20
NO341748B1 (en) 2018-01-15
CA2633153A1 (en) 2007-07-19
ATE445026T1 (en) 2009-10-15
ES2331539T3 (en) 2010-01-07
US20080308195A1 (en) 2008-12-18
JP2007224413A (en) 2007-09-06
DE602006009705D1 (en) 2009-11-19
CN101400818A (en) 2009-04-01
CN101400818B (en) 2012-08-29
KR20080090424A (en) 2008-10-08
EP1966407A1 (en) 2008-09-10
RU2397270C2 (en) 2010-08-20
FR2894987B1 (en) 2008-03-14

Similar Documents

Publication Publication Date Title
RU2008128865A (en) SPRING STEEL, METHOD FOR PRODUCING A SPRING FROM SUCH STEEL AND A SPRING FROM THIS STEEL
KR101988144B1 (en) High toughness and high tensile strength thick steel plate with excellent material homogeneity and production method for same
KR100707239B1 (en) Method for hot forming and hot formed member
KR101706004B1 (en) Ferritic stainless steel sheet with excellent workability and process for producing same
KR101806340B1 (en) Thick, tough, high tensile strength steel plate and production method therefor
JP6784960B2 (en) Martensitic stainless steel member
JP5439819B2 (en) High-strength steel material with excellent fatigue characteristics and method for producing the same
RU2011131056A (en) STEEL MATERIAL WITH HIGH RESISTANCE TO INITIATION OF VISCOUS CRACKS FROM A ZONE EXPOSED BY THE WELDING HEAT, AND BASIC MATERIAL, AND ALSO THE METHOD OF PRODUCING THEM
CN103290307B (en) High-strength steel sheet that resistance to impact is superior and manufacture method thereof
RU2014143450A (en) HIGH-STRENGTH SHEET STEEL HAVING A LOW RELATIONSHIP OF THE YIELD LIMIT TO THE STRENGTH TEMPERATURE, EXCELLENT FROM THE POINT OF VIEW OF RESISTANCE TO POST-STRAIN AGING, A METHOD OF ITS BREAKDOWN FOR THEIR BREAKDOWN
RU2016128754A (en) HOT-FORMED ELEMENT AND METHOD FOR ITS MANUFACTURE
KR20200002957A (en) Steel parts and how to manufacture them
CA2687436A1 (en) Bent pipe and a method for its manufacture
KR102634503B1 (en) Hot rolled steel and its manufacturing method
JP2014201815A (en) Thick steel sheet excellent in low temperature toughness of sheet thickness center part after pwht and manufacturing method therefor
JP2016148098A (en) Ultra high strength steel sheet excellent in yield ratio and workability
CN101545081B (en) 780 mpa low yield ratio round steel pipe for building structure with excellent shock resistance and production process
JP6056236B2 (en) Method for producing high-tensile steel sheet having excellent weldability and delayed fracture resistance and tensile strength of 780 MPa or more
BRPI0707772A2 (en) piston ring material for internal combustion engine
RU2631063C1 (en) Method of manufacture of instrumental high-strength flats
RU2010149330A (en) HIGH STRENGTH STEEL FOR MASSIVE DETAILS
RU2547087C1 (en) Method of production of higher-strength hot-rolled stock
JP2008202078A (en) Hot die steel
JP6051735B2 (en) Method for producing high-tensile steel sheet with excellent weldability and delayed fracture resistance
RU2625861C1 (en) Production of steel sheets of higher wear resistance

Legal Events

Date Code Title Description
PC41 Official registration of the transfer of exclusive right

Effective date: 20160329

MM4A The patent is invalid due to non-payment of fees

Effective date: 20171212