ATE486147T1 - Hochfester federstahl mit hervorragender beständigkeit gegen spröde frakturen und herstellungsverfahren dafür - Google Patents

Hochfester federstahl mit hervorragender beständigkeit gegen spröde frakturen und herstellungsverfahren dafür

Info

Publication number
ATE486147T1
ATE486147T1 AT07707232T AT07707232T ATE486147T1 AT E486147 T1 ATE486147 T1 AT E486147T1 AT 07707232 T AT07707232 T AT 07707232T AT 07707232 T AT07707232 T AT 07707232T AT E486147 T1 ATE486147 T1 AT E486147T1
Authority
AT
Austria
Prior art keywords
less
spring steel
manufacturing process
strength spring
excellent resistance
Prior art date
Application number
AT07707232T
Other languages
English (en)
Inventor
Takuya Kochi
Hiroshi Yaguchi
Wataru Urushihara
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Application granted granted Critical
Publication of ATE486147T1 publication Critical patent/ATE486147T1/de

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
    • 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
    • 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
    • C21D9/02—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
    • C22C38/002—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
    • C22C38/04—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/34—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
    • 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
    • C21D2211/001—Austenite
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
    • Y10S148/908—Spring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)
  • Springs (AREA)
  • Wire Processing (AREA)
AT07707232T 2006-01-23 2007-01-23 Hochfester federstahl mit hervorragender beständigkeit gegen spröde frakturen und herstellungsverfahren dafür ATE486147T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006013471A JP4027956B2 (ja) 2006-01-23 2006-01-23 耐脆性破壊特性に優れた高強度ばね鋼およびその製造方法
PCT/JP2007/050969 WO2007083808A1 (ja) 2006-01-23 2007-01-23 耐脆性破壊特性に優れた高強度ばね鋼およびその製造方法

Publications (1)

Publication Number Publication Date
ATE486147T1 true ATE486147T1 (de) 2010-11-15

Family

ID=38287750

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07707232T ATE486147T1 (de) 2006-01-23 2007-01-23 Hochfester federstahl mit hervorragender beständigkeit gegen spröde frakturen und herstellungsverfahren dafür

Country Status (11)

Country Link
US (1) US8038934B2 (de)
EP (1) EP1985721B1 (de)
JP (1) JP4027956B2 (de)
KR (1) KR101029431B1 (de)
CN (1) CN101365820B (de)
AT (1) ATE486147T1 (de)
BR (1) BRPI0706549B1 (de)
CA (1) CA2632407C (de)
DE (1) DE602007010102D1 (de)
ES (1) ES2352856T3 (de)
WO (1) WO2007083808A1 (de)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5353161B2 (ja) * 2008-03-27 2013-11-27 Ｊｆｅスチール株式会社 耐遅れ破壊特性に優れた高強度ばね用鋼およびその製造方法
JP5682161B2 (ja) * 2009-08-10 2015-03-11 株式会社ジェイテクト 転がり摺動部材の製造方法
US8349095B2 (en) * 2009-09-29 2013-01-08 Chuo Hatsujo Kabushiki Kaisha Spring steel and spring having superior corrosion fatigue strength
JP4900516B2 (ja) * 2010-03-29 2012-03-21 Ｊｆｅスチール株式会社 ばね鋼およびその製造方法
JP5711539B2 (ja) 2011-01-06 2015-05-07 中央発條株式会社 腐食疲労強度に優れるばね
CN102189493B (zh) * 2011-04-22 2012-11-07 重庆红旗弹簧有限公司 强化应力抛丸方法及装置
KR101311771B1 (ko) * 2011-05-30 2013-09-25 현대제철 주식회사 소재의 가열방법
KR101603485B1 (ko) * 2011-08-18 2016-03-14 신닛테츠스미킨 카부시키카이샤 스프링 강 및 스프링
RU2478134C1 (ru) * 2011-12-14 2013-03-27 Юлия Алексеевна Щепочкина Сталь
RU2477760C1 (ru) * 2011-12-14 2013-03-20 Юлия Алексеевна Щепочкина Сталь
KR101604938B1 (ko) * 2012-01-11 2016-03-18 가부시키가이샤 고베 세이코쇼 볼트용 강, 볼트 및 볼트의 제조 방법
DE102012111679A1 (de) * 2012-01-19 2013-07-25 Gesenkschmiede Schneider Gmbh Niedrig legierter Stahl und damit hergestellte Bauteile
CN102676946B (zh) * 2012-05-23 2014-04-09 攀枝花市白云铸造有限责任公司 分段硬度低合金钢锤头及其制造方法
JP5364859B1 (ja) * 2012-05-31 2013-12-11 株式会社神戸製鋼所 コイリング性と耐水素脆性に優れた高強度ばね用鋼線およびその製造方法
CN102719759B (zh) * 2012-07-12 2014-03-26 南车戚墅堰机车车辆工艺研究所有限公司 高速铁路扣件用弹条用钢及其冶炼生产方法
JP5973903B2 (ja) * 2012-12-21 2016-08-23 株式会社神戸製鋼所 耐水素脆性に優れた高強度ばね用鋼線およびその製造方法並びに高強度ばね
JP6036396B2 (ja) * 2013-02-25 2016-11-30 新日鐵住金株式会社 耐腐食特性に優れたばね用鋼およびばね用鋼材
JP6212473B2 (ja) * 2013-12-27 2017-10-11 株式会社神戸製鋼所 高強度ばね用圧延材及びこれを用いた高強度ばね用ワイヤ
JP6452454B2 (ja) * 2014-02-28 2019-01-16 株式会社神戸製鋼所 高強度ばね用圧延材および高強度ばね用ワイヤ
JP6208611B2 (ja) 2014-03-31 2017-10-04 株式会社神戸製鋼所 疲労特性に優れた高強度鋼材
CN104060175B (zh) * 2014-05-27 2017-01-11 安徽红桥金属制造有限公司 一种弹簧及其生产方法
CN105112798A (zh) * 2015-09-01 2015-12-02 广西南宁智翠科技咨询有限公司 一种高韧性弹簧丝
KR101776462B1 (ko) * 2015-12-04 2017-09-20 현대자동차주식회사 코일스프링강
CN105483555B (zh) * 2015-12-11 2017-12-05 贵州大学 弹簧钢及其制备方法及热处理方法
KR101745210B1 (ko) * 2015-12-15 2017-06-09 현대자동차주식회사 고내구 코일스프링강
CN105525208A (zh) * 2016-01-13 2016-04-27 铜陵百荣新型材料铸件有限公司 一种高淬透性弹簧钢的热处理工艺
CN105886930B (zh) * 2016-04-26 2017-12-26 宝山钢铁股份有限公司 一种高强度耐蚀弹簧钢及其制造方法
CN106191655A (zh) * 2016-08-17 2016-12-07 安徽红桥金属制造有限公司 一种耐磨损抗氧化合金弹簧钢及其热处理工艺
JP6356309B1 (ja) * 2016-10-19 2018-07-11 三菱製鋼株式会社 高強度ばね、およびその製造方法、ならびに高強度ばね用鋼、およびその製造方法
KR20180067758A (ko) * 2016-12-12 2018-06-21 현대자동차주식회사 코일스프링강
CA3049859A1 (en) * 2017-01-24 2018-08-02 Nippon Steel Corporation Steel material and method for producing steel material
CN107299291B (zh) * 2017-06-30 2019-05-24 武汉钢铁有限公司 一种弹簧钢及其表面脱碳控制工艺
CN110760748B (zh) * 2018-07-27 2021-05-14 宝山钢铁股份有限公司 一种疲劳寿命优良的弹簧钢及其制造方法
CN109735771A (zh) * 2019-03-19 2019-05-10 马鞍山钢铁股份有限公司 一种具有优良疲劳性能和耐蚀性能的高强度弹簧用钢及其生产方法
CN109881101A (zh) * 2019-03-19 2019-06-14 马鞍山钢铁股份有限公司 一种抗拉强度≥2100MPa的耐蚀弹簧用钢及其生产方法
CN109913767A (zh) * 2019-03-19 2019-06-21 马鞍山钢铁股份有限公司 一种抗拉强度≥2100MPa的耐蚀弹簧用钢及其生产方法
CN109811266A (zh) * 2019-03-19 2019-05-28 马鞍山钢铁股份有限公司 一种抗拉强度≥2000MPa的耐蚀弹簧用钢及其生产方法
CN109868423A (zh) * 2019-03-19 2019-06-11 马鞍山钢铁股份有限公司 一种具有优良疲劳性能和耐蚀性能的高强度弹簧用钢及其生产方法
CN109881100A (zh) * 2019-03-19 2019-06-14 马鞍山钢铁股份有限公司 一种抗拉强度≥2000MPa的耐蚀弹簧用钢及其生产方法
CN111610072B (zh) * 2020-05-09 2024-09-27 唐山钢铁集团有限责任公司 一种板材试样u弯四点弯曲装置
CN111763892A (zh) * 2020-07-31 2020-10-13 南京钢铁股份有限公司 一种高强韧弹簧钢盘条及其制备方法
KR20230024115A (ko) * 2021-08-11 2023-02-20 주식회사 포스코 스프링용 강 및 강선, 그들의 제조방법
JP2023120677A (ja) * 2022-02-18 2023-08-30 日本発條株式会社 介在物評価方法
CN114990451A (zh) * 2022-08-05 2022-09-02 山东联美弹簧科技股份有限公司 汽车弹簧稳定杆用微合金钢及其制备方法
KR20240098816A (ko) * 2022-12-21 2024-06-28 주식회사 포스코 영구변형 저항성이 향상된 스프링용 강선 및 그 제조방법
EP4613885A1 (de) * 2022-12-21 2025-09-10 POSCO Co., Ltd Walzdraht und stahldraht für feder, feder und verfahren zur herstellung davon
CN117004888A (zh) * 2023-08-09 2023-11-07 天津荣程联合钢铁集团有限公司 一种高强度Cr-V-Mo系中碳弹簧钢及其热处理工艺和应用
WO2025210377A1 (en) * 2024-04-02 2025-10-09 Arcelormittal Steel for coil springs of automobiles and a method of manufacturing of a coil thereof

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06306542A (ja) 1993-04-28 1994-11-01 Kobe Steel Ltd 疲労強度の優れたばね用鋼及びばね用鋼線
JPH07179996A (ja) 1993-12-22 1995-07-18 Sumitomo Metal Ind Ltd バネ用鋼線及びその製造方法
JP3634418B2 (ja) * 1994-11-11 2005-03-30 高周波熱錬株式会社 コイルばねの製造方法及び高靭性・高抗張力コイルばね
JPH0941079A (ja) * 1995-05-19 1997-02-10 Kobe Steel Ltd 耐遅れ破壊特性にすぐれる超高強度鋼板及びその製造方法
JPH10121201A (ja) 1996-10-14 1998-05-12 Kobe Steel Ltd 耐遅れ破壊性に優れた高強度ばね
JPH11302784A (ja) * 1998-04-16 1999-11-02 Nippon Steel Corp 高強度鋼線
JP3595901B2 (ja) * 1998-10-01 2004-12-02 鈴木金属工業株式会社 高強度ばね用鋼線およびその製造方法
JP4173618B2 (ja) * 2000-03-07 2008-10-29 株式会社神戸製鋼所 高強度高靭性マルテンサイト鋼の製造方法
JP2002212665A (ja) 2001-01-11 2002-07-31 Kobe Steel Ltd 高強度高靭性鋼
JP2003003241A (ja) * 2001-06-26 2003-01-08 Nippon Steel Corp 高強度ばね用鋼線
JP2003105485A (ja) * 2001-09-26 2003-04-09 Nippon Steel Corp 耐水素疲労破壊特性に優れた高強度ばね用鋼およびその製造方法
JP2003213372A (ja) 2002-01-25 2003-07-30 Sumitomo Denko Steel Wire Kk ばね用鋼線およびばね
JP4248790B2 (ja) 2002-02-06 2009-04-02 株式会社神戸製鋼所 メカニカルデスケーリング性に優れた鋼線材およびその製造方法
JP3975110B2 (ja) 2002-04-16 2007-09-12 住友電工スチールワイヤー株式会社 鋼線およびその製造方法ならびにばね
JP4088220B2 (ja) 2002-09-26 2008-05-21 株式会社神戸製鋼所 伸線前の熱処理が省略可能な伸線加工性に優れた熱間圧延線材
JP3764715B2 (ja) * 2002-10-22 2006-04-12 新日本製鐵株式会社 高強度冷間成形ばね用鋼線とその製造方法
JP4097151B2 (ja) * 2003-03-28 2008-06-11 株式会社神戸製鋼所 加工性に優れた高強度ばね用鋼線および高強度ばね
KR100711370B1 (ko) * 2003-03-28 2007-05-02 가부시키가이샤 고베 세이코쇼 가공성이 우수한 고강도 스프링용 강선 및 고강도 스프링
EP1674588B1 (de) * 2004-12-22 2010-02-10 Kabushiki Kaisha Kobe Seiko Sho Hochkohlenstoff Stahldraht mit hervorragenden Zieheigenschaften und Verfahren zu seiner Herstellung
JP4476846B2 (ja) 2005-03-03 2010-06-09 株式会社神戸製鋼所 冷間加工性と品質安定性に優れた高強度ばね用鋼
JP4423254B2 (ja) 2005-12-02 2010-03-03 株式会社神戸製鋼所 コイリング性と耐水素脆化特性に優れた高強度ばね鋼線
JP2007327084A (ja) 2006-06-06 2007-12-20 Kobe Steel Ltd 伸線加工性に優れた線材およびその製造方法
US20080156403A1 (en) 2006-12-28 2008-07-03 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd) Steel for high-speed cold working and method for production thereof, and part formed by high-speed cold working and method for production thereof

Also Published As

Publication number Publication date
BRPI0706549A2 (pt) 2011-03-29
WO2007083808A1 (ja) 2007-07-26
ES2352856T3 (es) 2011-02-23
EP1985721B1 (de) 2010-10-27
EP1985721A4 (de) 2010-03-24
CA2632407C (en) 2012-04-03
KR20080080210A (ko) 2008-09-02
CN101365820A (zh) 2009-02-11
KR101029431B1 (ko) 2011-04-14
JP2007191776A (ja) 2007-08-02
US20100224287A1 (en) 2010-09-09
CN101365820B (zh) 2013-03-27
DE602007010102D1 (de) 2010-12-09
JP4027956B2 (ja) 2007-12-26
CA2632407A1 (en) 2007-07-26
US8038934B2 (en) 2011-10-18
EP1985721A1 (de) 2008-10-29
BRPI0706549B1 (pt) 2015-09-08

Similar Documents

Publication Publication Date Title
ATE486147T1 (de) Hochfester federstahl mit hervorragender beständigkeit gegen spröde frakturen und herstellungsverfahren dafür
BRPI0802627A2 (pt) produtos tubulares para paìses produtores de petróleo em aço sem costura, aço de baixa liga e método de produção de tubulação em aço sem costura
EP2546380A4 (de) Hochfester stahl und hochfester bolzen mit hervorragender beständigkeit gegen verzögerte fraktur sowie herstellungsverfahren dafür
EP2098600B8 (de) Hochfestes Stahlblech mit erhöhter Verformbarkeit und Herstellungsverfahren dafür
MX2010008558A (es) Lamina de acero recubierta con zinc por inmersion en caliente, de alta tenacidad, excelente en trabajabilidad y procedimiento para la produccion de la misma.
EP1918408A3 (de) Martensitischer rostfreier Automatenstahl
MX2018012411A (es) Lamina de acero de alta resistencia y metodo para la fabricacion de la misma.
BRPI0606487A2 (pt) processo para produção de chapa de aço austenìtica de ferro-carbono-manganês com uma alta resistência à fratura retardada, e chapa assim produzida
WO2009055133A3 (en) Secondary-hardening gear steel
MX2016007954A (es) Lamina de acero galvanizada de alta resistencia y metodo para la fabricacion de la misma.
MX2013013145A (es) Acero para parte del resorte de la suspension automotriz, parte del resorte de la suspension automotriz, y metodo de fabricacion del mismo.
MX2009011927A (es) Metodo para la fabricacion de chapas de acero laminadas en frio y recocidas de muy alta resistencia, y chapas asi producidas.
MX2008001653A (es) Procedimiento de fabricacion de chapas de acero que presentan una alta resistencia y una excelente ductilidad y chapas asi producidas.
DE60214456D1 (de) Martensitischer rostfreier Stahl mit hoher Härte und mit guter beständigkeit gegen Korrosion
DE602005005922D1 (de) Ausscheidunggehärteter martensitischer rostfreier Stahl, dessen Herstellungsverfahren und damit hergestellte Turbinenlaufschaufel und diese benutzende Dampfturbine
WO2008146533A1 (ja) 疲労特性に優れた高清浄度ばね用鋼および高清浄度ばね
TW200734471A (en) Steel for hot tooling, and part produced from this steel, method of manufacture thereof and uses thereof
WO2014014540A3 (en) High strength, high toughness steel alloy
TW200940725A (en) Wear-resistant steel sheet having excellent wear resistnace at high temperatures and excellent bending workability and method for manufacturing the same
MX2007011944A (es) Material de acero con alta resitencia a la traccion que tiene excelente propiedad de resistencia a la fractura retrasada, y su metodo de fabricacion.
WO2008149703A1 (ja) フェライト系耐熱鋼
MY194444A (en) High-mn steel and production method therefor
EP1726675A3 (de) Grundmaterial für einen plattierten Stahl und Vefahren zur Herstellung von einem daraus hergestellten plattierten Stahl
SE0701436L (sv) Krockbalk av utskiljningshärdat stål
BRPI0900307A2 (pt) liga sinterizada baseada em ferro e método de produção da mesma

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties