BR9916944A - Cementable structural steel, obtaining processes and parts made from it - Google Patents
Cementable structural steel, obtaining processes and parts made from itInfo
- 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
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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- 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
-
- 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
- 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
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.
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)
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)
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 |
-
1998
- 1998-10-20 FR FR9813122A patent/FR2784692B1/en not_active Expired - Fee Related
-
1999
- 1999-10-05 BR BR9916944-4A patent/BR9916944A/en not_active Application Discontinuation
- 1999-10-05 WO PCT/FR1999/002368 patent/WO2000023632A1/en not_active Application Discontinuation
- 1999-10-05 EP EP99970696A patent/EP1042524A1/en not_active Withdrawn
- 1999-10-19 AR ARP990105275 patent/AR020905A1/en unknown
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 |
Free format text: INDEFERIDO COM BASE NO ART.8O COMBINADO COM O ART.13 DA LPI 9.279/96 |