BRPI0514009A - aço para molas e arame de aço de alta resistência - Google Patents

aço para molas e arame de aço de alta resistência

Info

Publication number
BRPI0514009A
BRPI0514009A BRPI0514009-9A BRPI0514009A BRPI0514009A BR PI0514009 A BRPI0514009 A BR PI0514009A BR PI0514009 A BRPI0514009 A BR PI0514009A BR PI0514009 A BRPI0514009 A BR PI0514009A
Authority
BR
Brazil
Prior art keywords
less
spring steel
equivalent circle
steel wire
high strength
Prior art date
Application number
BRPI0514009-9A
Other languages
English (en)
Inventor
Masayuki Hashimura
Hiroshi Hagiwara
Takanori Miyaki
Takayuki Kisu
Kouichi Yamazaki
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of BRPI0514009A publication Critical patent/BRPI0514009A/pt
Publication of BRPI0514009B1 publication Critical patent/BRPI0514009B1/pt

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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties of ferrous metals or ferrous alloys 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
    • 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
    • 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
    • C22C38/18—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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Materials For Medical Uses (AREA)

Abstract

AçO PARA MOLAS E ARAME DE AçO DE ALTA RESISTêNCIA A presente invenção refere-se a um aço para molas usado para arame de aço para molas alcançando tanto alta resistência quanto e capacidade de bobinamento a frio e um arame de aço para molas, isto é, arame para molas contendo, em % em massa, C: 0,45 a 0,70%, Si: 1,0 a 3,0%, Mn: 0,05 a 2,0%, P: 0,015% ou menos, S: 0,015% ou menos, N: 0,0015 a 0,0200%, e t-O: 0,0002 a 0,01 e também limitando AI<243>0,01% e Ti<243> 0,003%. Além disso, é caracterizado par satisfazer o seguinte em relação aos catonetos esféricos à base de cementita presentes em um plano observado, uma razão de área ocupada de grãos com um diâmetro de círculo equivalente de 0,2<109>m ou mais de 7% ou menos, uma densidade de presença de grãos com um diâmetro de circulo equivalente de 0,2 a 3<109>m, de 1/<109>m¬ 2¬ ou menos, e uma densidade de presença de grãos com um diâmetro de círculo equivalente de 3 <109>m ou mais, de 0,001/<109>m¬ ¬ ou menos, tendo um número de tamanho de grão de austenita anterior de n 10 ou maior e uma austenita residual de 15% em massa ou menos, e tendo uma razão de área de regiões pobres com uma pequena densidade de presença de carbonetos à base de cementita de diâmetro de circulo equivalente de 2 <109>m ou mais, de 3% ou menos.
BRPI0514009A 2004-11-30 2005-11-30 arame de aço tratado termicamente para uso em molas BRPI0514009B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2004346996 2004-11-30
JP2004346995 2004-11-30
PCT/JP2005/022418 WO2006059784A1 (ja) 2004-11-30 2005-11-30 高強度ばね用鋼および鋼線

Publications (2)

Publication Number Publication Date
BRPI0514009A true BRPI0514009A (pt) 2008-05-27
BRPI0514009B1 BRPI0514009B1 (pt) 2015-11-03

Family

ID=36565205

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0514009A BRPI0514009B1 (pt) 2004-11-30 2005-11-30 arame de aço tratado termicamente para uso em molas

Country Status (5)

Country Link
US (1) US10131973B2 (pt)
EP (2) EP1820869B1 (pt)
KR (1) KR100851083B1 (pt)
BR (1) BRPI0514009B1 (pt)
WO (1) WO2006059784A1 (pt)

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KR100968938B1 (ko) * 2006-11-09 2010-07-14 신닛뽄세이테쯔 카부시키카이샤 고강도 스프링용 강 및 고강도 스프링용 열처리 강선
JP4163239B1 (ja) * 2007-05-25 2008-10-08 株式会社神戸製鋼所 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
KR100985357B1 (ko) * 2007-06-19 2010-10-04 주식회사 포스코 피로수명이 우수한 고강도, 고인성 스프링, 상기 스프링용강선재와 강선 및 상기 강선과 스프링의 제조방법
US20110041959A1 (en) * 2008-12-19 2011-02-24 Atsushi Mizuno Steel for machine structure use for surface hardening and steel part for machine structure use
EP2453033B1 (en) * 2009-07-09 2015-09-09 Nippon Steel & Sumitomo Metal Corporation Steel wire for high-strength spring
JP5676146B2 (ja) 2010-05-25 2015-02-25 株式会社リケン 圧力リング及びその製造方法
JP5425736B2 (ja) 2010-09-15 2014-02-26 株式会社神戸製鋼所 冷間加工性、耐摩耗性、及び転動疲労特性に優れた軸受用鋼
EP2431489A1 (en) * 2010-09-20 2012-03-21 Siemens Aktiengesellschaft Nickel-base superalloy
EP2746420B1 (en) * 2011-08-18 2016-06-01 Nippon Steel & Sumitomo Metal Corporation Spring steel and spring
US20140227546A1 (en) * 2011-09-20 2014-08-14 Nv Bekaert Sa Quenched and partitioned high-carbon steel wire
EP2811198B1 (en) 2012-01-31 2019-03-20 Nhk Spring Co., Ltd. Ring-shaped spring and method for manufacturing same
JP6018394B2 (ja) * 2012-04-02 2016-11-02 株式会社神戸製鋼所 高強度ばね用中空シームレスパイプ
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
JP6036997B2 (ja) 2013-04-23 2016-11-30 新日鐵住金株式会社 耐疲労特性に優れたばね鋼及びその製造方法
US10752969B2 (en) 2015-03-10 2020-08-25 Nippon Steel Corporation Steel for suspension spring and method of manufacturing same
JP6453693B2 (ja) * 2015-03-31 2019-01-16 株式会社神戸製鋼所 疲労特性に優れた熱処理鋼線
KR101745192B1 (ko) 2015-12-04 2017-06-09 현대자동차주식회사 초고강도 스프링강
KR101745196B1 (ko) 2015-12-07 2017-06-09 현대자동차주식회사 초고강도 스프링강
KR101745210B1 (ko) 2015-12-15 2017-06-09 현대자동차주식회사 고내구 코일스프링강
JP2017179471A (ja) * 2016-03-30 2017-10-05 株式会社神戸製鋼所 曲げ加工性に優れた熱処理鋼線
KR101776491B1 (ko) * 2016-04-15 2017-09-20 현대자동차주식회사 내식성이 우수한 고강도 스프링강
KR101776490B1 (ko) 2016-04-15 2017-09-08 현대자동차주식회사 내식성이 우수한 고강도 스프링강
DE112020005011B4 (de) * 2019-10-16 2024-07-25 Nhk Spring Co., Ltd. Ventilfeder
US11952650B2 (en) 2019-10-16 2024-04-09 Nippon Steel Corporation Steel wire
CN114555850B (zh) 2019-10-16 2022-11-01 日本制铁株式会社 减震器弹簧
US12612675B2 (en) 2020-02-21 2026-04-28 Nippon Steel Corporation Steel wire
JP7321355B2 (ja) 2020-02-21 2023-08-04 日本製鉄株式会社 ダンパーばね
CN115335545B (zh) 2020-02-21 2023-08-11 日本制铁株式会社 阀门弹簧
US11892048B2 (en) 2020-06-15 2024-02-06 Sumitomo Electric Industries, Ltd. Spring steel wire
DE112020006794T5 (de) 2020-06-17 2023-01-05 Sumitomo Electric Industries, Ltd. Federstahldraht
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Also Published As

Publication number Publication date
US10131973B2 (en) 2018-11-20
EP2465963A1 (en) 2012-06-20
US20080279714A1 (en) 2008-11-13
WO2006059784A1 (ja) 2006-06-08
WO2006059784A9 (ja) 2006-08-10
BRPI0514009B1 (pt) 2015-11-03
EP1820869A1 (en) 2007-08-22
EP1820869A4 (en) 2010-01-13
EP1820869B1 (en) 2015-10-07
EP2465963B1 (en) 2015-10-07
KR20070005013A (ko) 2007-01-09
KR100851083B1 (ko) 2008-08-08

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Legal Events

Date Code Title Description
B25G Requested change of headquarter approved

Owner name: NIPPON STEEL CORPORATION (JP)

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP)

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 30/11/2005, OBSERVADAS AS CONDICOES LEGAIS.

B25D Requested change of name of applicant approved
B25K Entry of change of name and/or headquarter and transfer of application, patent and certificate of addition of invention: republication

Free format text: RETIFICADO O DESPACHO 25.4 PUBLICADO NA RPI 2543 DE 01/10/2019. ONDE SE LE: ?(?), SENDO ESTA PUBLICADA NA RPI NO 2542, DE 24/09/2019? LEIA-SE: ?(?), SENDO ESTA PUBLICADA NA RPI NO 2543, DE 01/10/2019?