BR9916944A - Cementable structural steel, obtaining processes and parts made from it - Google Patents

Cementable structural steel, obtaining processes and parts made from it

Info

Publication number
BR9916944A
BR9916944A BR9916944-4A BR9916944A BR9916944A BR 9916944 A BR9916944 A BR 9916944A BR 9916944 A BR9916944 A BR 9916944A BR 9916944 A BR9916944 A BR 9916944A
Authority
BR
Brazil
Prior art keywords
structural steel
cementable
parts made
obtaining processes
expressed
Prior art date
Application number
BR9916944-4A
Other languages
Portuguese (pt)
Inventor
Andre Grellier
Original Assignee
Aubert & Duval Sa
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 Aubert & Duval Sa filed Critical Aubert & Duval Sa
Publication of BR9916944A publication Critical patent/BR9916944A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/60Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

"AçO ESTRUTURAL CEMENTAVEL, PROCESSOS DEOBTENçãO E PEçAS FABRICADAS COM ESSE AçO". Ainvenção se referindo a uma composição de aço estruturalcementavel, contendo os seguintes elementos, expressos em % empeso: 0,16 a 0,25 % de C 0,90 a 1,40 % de Cr 0,90 a 1,50 % de Mn0,30 a 1,10 % de Ni 0,010 a 0,050 % de AI e quando cabível, nomáximo 0,20 % de Mo no máximo 0,40 % de Si no máximo 0,40 %de Cu no máximo 0,050 % de S sendo o complemento compostopor ferro e impurezas residuais, com o valor expresso pela seguinterelação: Kc= 8,34x%C + 0,60x%Si + %Mn - 1,69%Si + 0,30x%Ni +0,64x%Cr + 2,55x%Mo + 0,37x%Cu estando compreendido entre4,00 e 4,65, assim como um processo de fabricação de peçascementadas e tratadas, particularmente pinhões dentadosfabricados com estas composições."CEMENTABLE STRUCTURAL STEEL, PROTECTION PROCESSES AND PARTS MADE WITH THAT STEEL". The invention referring to a structural steel structure, containing the following elements, expressed in% weight: 0.16 to 0.25% of C 0.90 to 1.40% of Cr 0.90 to 1.50% of Mn0 , 30 to 1.10% of Ni 0.010 to 0.050% of AI and when applicable, maximum 0.20% of Mo at most 0.40% of Si at most 0.40% of Cu at most 0.050% of S being the complement composed of iron and residual impurities, with the value expressed by the following interrelation: Kc = 8.34x% C + 0.60x% Si +% Mn - 1.69% Si + 0.30x% Ni + 0.64x% Cr + 2 , 55x% Mo + 0.37x% Cu being between 4.00 and 4.65, as well as a manufacturing process for bonded and treated parts, particularly toothed pinions manufactured with these compositions.

BR9916944-4A 1998-10-20 1999-10-05 Cementable structural steel, obtaining processes and parts made from it BR9916944A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9813122A FR2784692B1 (en) 1998-10-20 1998-10-20 CEMENTABLE CONSTRUCTION STEEL, PROCESS FOR OBTAINING SAME AND PARTS FORMED THEREFROM
PCT/FR1999/002368 WO2000023632A1 (en) 1998-10-20 1999-10-05 Case hardening structural steel, method for obtaining same and parts formed with same

Publications (1)

Publication Number Publication Date
BR9916944A true BR9916944A (en) 2001-11-20

Family

ID=9531763

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9916944-4A BR9916944A (en) 1998-10-20 1999-10-05 Cementable structural steel, obtaining processes and parts made from it

Country Status (5)

Country Link
EP (1) EP1042524A1 (en)
AR (1) AR020905A1 (en)
BR (1) BR9916944A (en)
FR (1) FR2784692B1 (en)
WO (1) WO2000023632A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2827875B1 (en) * 2001-07-24 2006-09-15 Ascometal Sa STEEL FOR MECHANICAL PARTS, AND MECHANICAL CEMENTIC OR CARBONITURAL PARTS PRODUCED THEREFROM
FR2935988B1 (en) * 2008-09-12 2010-10-08 Ascometal Sa STEEL, IN PARTICULAR FOR BEARINGS AND MECHANICAL PARTS SUITABLE FOR CEMENTATION OR CARBONITURATION, AND PARTS PRODUCED WITH SAID STEEL.
CN109371327A (en) * 2018-12-05 2019-02-22 天宜上佳(天津)新材料有限公司 A kind of alloy material, using alloy material lightweight brake drum and lightweight brake drum preparation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1483331B2 (en) * 1964-01-22 1971-03-18 Yawata Iron & Steel Co , Ltd , To kio USE OF A HARDENABLE STEEL ALLOY
JPS527408B2 (en) * 1972-05-26 1977-03-02
JPH0559432A (en) * 1991-08-29 1993-03-09 Kobe Steel Ltd Production of carburized gear excellent in fatigue strength
JPH0559528A (en) * 1991-08-29 1993-03-09 Kobe Steel Ltd Gear steel
KR940002139B1 (en) * 1991-11-30 1994-03-18 삼성중공업 주식회사 Carburized boron steels for gears
JPH0641630A (en) * 1992-07-23 1994-02-15 Kobe Steel Ltd Softening heat treatment method of steel for power transmitting part
US5518685A (en) * 1994-02-03 1996-05-21 Mitsubishi Steel Mfg. Co., Ltd. Steel for carburized gear
US5746842A (en) * 1995-09-29 1998-05-05 Toa Steel Co., Ltd. Steel gear
JPH09202921A (en) * 1996-01-24 1997-08-05 Sumitomo Metal Ind Ltd Production of wire for cold forging
JPH1017980A (en) * 1996-06-28 1998-01-20 Sumitomo Metal Ind Ltd Welded steel pipe with low yield ratio, and its production

Also Published As

Publication number Publication date
AR020905A1 (en) 2002-06-05
WO2000023632A1 (en) 2000-04-27
FR2784692B1 (en) 2001-03-09
EP1042524A1 (en) 2000-10-11
FR2784692A1 (en) 2000-04-21

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Legal Events

Date Code Title Description
B07A Technical examination (opinion): publication of technical examination (opinion)
B09B Decision: refusal

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