MX2020007795A - Perno. - Google Patents

Perno.

Info

Publication number
MX2020007795A
MX2020007795A MX2020007795A MX2020007795A MX2020007795A MX 2020007795 A MX2020007795 A MX 2020007795A MX 2020007795 A MX2020007795 A MX 2020007795A MX 2020007795 A MX2020007795 A MX 2020007795A MX 2020007795 A MX2020007795 A MX 2020007795A
Authority
MX
Mexico
Prior art keywords
mass
inclusive
bolt
carbon concentration
carbon
Prior art date
Application number
MX2020007795A
Other languages
English (en)
Inventor
Daisuke Kobayashi
Takahiro Hamada
Original Assignee
Nissan Motor
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 Nissan Motor filed Critical Nissan Motor
Publication of MX2020007795A publication Critical patent/MX2020007795A/es

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • 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
    • 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
    • C21D1/32—Soft annealing, e.g. spheroidising
    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • 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
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment 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
    • C21D9/0093—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts
    • 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
    • C22C38/002—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
    • C22C38/18—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

Un perno de la presente invención es un perno de alta resistencia de acero de alto contenido en carbono que tiene una estructura de martensita revenida, en donde la composición del perno comprende: 0.50% en masa o más y 0.65% en masa o menos de carbono (C); 1.5% en masa o más y 2.5% en masa o menos de silicio (Si); 1.0% en masa o más y 2.0% en masa o menos de cromo (Cr); 0.2% en masa o más y 1.0% en masa o menos de manganeso (Mn); y 1.5% en masa o más y 5.0% en masa o menos de molibdeno (Mo); un contenido total de impurezas que son fósforo (P) y azufre (S) es 0.03% en masa o más; y el resto es hierro (Fe). Adicionalmente, la concentración de carbono satisface la siguiente Fórmula (1): 0.75 ? X < 1... Fórmula (1) en donde, en la Fórmula (1), X representa la concentración de carbono superficial/concentración de carbono interior. Por consiguiente, el perno de la presente invención tiene baja susceptibilidad al agrietamiento por temple y excelente resistencia a la fractura retardada, porque se mantiene bajo un aumento en la temperatura en la cual ocurre la transformación de martensita (punto de Ms) en el lado de la superficie.
MX2020007795A 2018-01-30 2018-01-30 Perno. MX2020007795A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/002983 WO2019150434A1 (ja) 2018-01-30 2018-01-30 ボルト

Publications (1)

Publication Number Publication Date
MX2020007795A true MX2020007795A (es) 2020-09-18

Family

ID=67478085

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2020007795A MX2020007795A (es) 2018-01-30 2018-01-30 Perno.

Country Status (6)

Country Link
US (1) US11333189B2 (es)
EP (1) EP3748027B1 (es)
JP (1) JP7134411B2 (es)
CN (1) CN111655883A (es)
MX (1) MX2020007795A (es)
WO (1) WO2019150434A1 (es)

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2739713B2 (ja) * 1987-08-19 1998-04-15 本田技研工業株式会社 高強度ボルト
JP2795800B2 (ja) 1993-10-18 1998-09-10 新日本製鐵株式会社 耐遅れ破壊特性の優れた高強度ボルトの製造方法
JPH10141341A (ja) * 1996-11-13 1998-05-26 Nkk Corp 遅れ破壊特性に優れた高強度ボルト
JP3451916B2 (ja) * 1998-01-16 2003-09-29 住友金属工業株式会社 光輝焼鈍炉
CN100445408C (zh) * 2003-03-28 2008-12-24 株式会社神户制钢所 加工性优异的高强度弹簧用钢丝以及高强度弹簧
JP4555749B2 (ja) 2004-10-08 2010-10-06 新日本製鐵株式会社 高強度ボルトの耐遅れ破壊特性向上方法
JP5251632B2 (ja) * 2008-05-13 2013-07-31 新日鐵住金株式会社 耐遅れ破壊特性に優れた高強度鋼材、高強度ボルト及びその製造方法
JP5334769B2 (ja) * 2009-09-10 2013-11-06 独立行政法人物質・材料研究機構 高強度ボルト
WO2011111872A1 (ja) 2010-03-11 2011-09-15 新日本製鐵株式会社 耐遅れ破壊特性に優れた高強度鋼材と高強度ボルト、及び、その製造方法
JP5630367B2 (ja) * 2011-05-09 2014-11-26 新日鐵住金株式会社 鋼製ボルトおよびその製造方法
CN102876965B (zh) 2012-09-11 2014-12-03 中国钢研科技集团有限公司 一种高强锚固螺栓及其生产方法
CN103290327A (zh) 2013-06-25 2013-09-11 汕头经济特区超艺螺丝工业有限公司 一种耐高温高性能合金紧固件及其生产工艺
RU2568405C2 (ru) * 2013-11-06 2015-11-20 Общество с ограниченной ответственностью "Коммерческий центр "РИЦ" Сталь с пониженной прокаливаемостью для винтовых пружин с диаметром прутков от 24 до менее 27 мм и пружина, изготовленная из нее
JP6422176B2 (ja) 2014-08-29 2018-11-14 日産自動車株式会社 高強度ボルト用鋼及び高強度ボルト
CN104593691B (zh) * 2014-12-26 2017-03-22 中钢集团邢台机械轧辊有限公司 大型锻造合金钢支承辊辊套及其制造方法
JP6461672B2 (ja) 2015-03-27 2019-01-30 株式会社神戸製鋼所 冷間圧造性、および焼入れ焼戻し後の耐遅れ破壊性に優れたボルト用鋼線、並びにボルト

Also Published As

Publication number Publication date
JP7134411B2 (ja) 2022-09-12
WO2019150434A1 (ja) 2019-08-08
EP3748027A1 (en) 2020-12-09
CN111655883A (zh) 2020-09-11
JPWO2019150434A1 (ja) 2021-01-14
US20210040978A1 (en) 2021-02-11
US11333189B2 (en) 2022-05-17
EP3748027A4 (en) 2020-12-09
EP3748027B1 (en) 2022-03-23

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