公开(公告)号：JP2004183103A

公开(公告)日：2004-07-02

申请号：JP2003406195

申请日：2003-12-04

Applicant: Ascometal ,  アスコメタルAscometal

Inventor： ROBELET MARC

IPC: B21J5/00 ,  B22D17/00 ,  C21D7/13 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/42 ,  C22C38/44 ,  C22C38/60

CPC classification number: C22C38/02 ,  B22D17/007 ,  C21D7/13 ,  C21D2281/00 ,  C22C38/04 ,  C22C38/42 ,  C22C38/44 ,  C22C38/60

Abstract: PROBLEM TO BE SOLVED: To provide a steel having half-melt forgeability more excellent than that of the conventionally used steel.
SOLUTION: The steel for a machine structure has a composition comprising, by weight, 0.35 to 2.5% C, 0.10 to 2.5% Mn, 0.60 to 3.0% Si, a trace amount to 4.5% Cr, a trace amount to 2.0% Mo, a trace amount to 4.5% Ni, a trace amount to 0.5% V, a trace amount to 4% Cu (in the case of Cu≥0.5%, Cu≤Ni%+0.6Si% is satisfied), a trace amount to 0.060% Al, a trace amount to 0.050% Ca, a trace amount to 0.01% B, a trace amount to 0.20% S, a trace amount to 0.020% Te, a trace amount to 0.040% Se, a trace amount to 0.070% Pb, a trace amount to 0.050% Nb, and a trace amount to 0.050% Ti, and the balance iron with impurities produced on the production.
COPYRIGHT: (C)2004,JPO&NCIPI

公开(公告)号：JPH10204585A

公开(公告)日：1998-08-04

申请号：JP36835397

申请日：1997-12-26

Applicant: ASCOMETAL SA ,  ASCOMETAL SA

Inventor： PICHARD CLAUDE ,  PICHARD CLAUDE

IPC: C21D7/02 ,  C21C5/00 ,  C21D8/00 ,  C21D8/02 ,  C21D8/06 ,  C22C38/00 ,  C22C38/14 ,  C22C38/32 ,  C22C38/38 ,  C22C38/60

Abstract: PROBLEM TO BE SOLVED: To provide a steel for production of steel products by cold plastic working, and its production. SOLUTION: This steel has chemical composition consisting of, by weight, 0.03-0.16% C, 0.5-2% Mn, 0.05-0.5% Si, 0-1.8% Cr, 0-0.25% Mo, 0.001-0.05% Al, 0.001-0.05% Ti, 0-0.15% V, 0.0005-0.005% B, 0.004-0.012% N, 0.001-0.09% S, and the balance iron with inevitable impurities, further constraining, if necessary, =2.2% and Al+ Ti>=3.5×N.

公开(公告)号：JP2004181534A

公开(公告)日：2004-07-02

申请号：JP2003405953

申请日：2003-12-04

Applicant: Ascometal ,  アスコメタルAscometal

Inventor： ROBELET MARC

IPC: F02F3/00 ,  B21J5/00 ,  B21J5/06 ,  B21K1/18 ,  B22D18/02 ,  C22C38/00 ,  C22C38/58 ,  C22C38/60 ,  F02F3/26 ,  F16J1/01

CPC classification number: B21K1/18 ,  B21J5/00 ,  B21J5/004 ,  Y10S164/90 ,  Y10T29/49249

Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a piston for high performance internal combustion engine by using a steel having excellent mechanical characteristics instead of an aluminum alloy. SOLUTION: The piston is shaped by forging under semi-melting state to a billet heated so as to become the intermediate temperature between a solid-phasing temperature and liquid-phasing temperature of the steel. Chemical components of this steel, are composed by wt% of 0.35-1.2% C, 0.10-2.0% Mn, 0.10-1.0% Si, ≤4.5% Cr, ≤2.0% Mo, ≤4.5% Ni, ≤0.5% V, ≤3.5% Cu, ≤0.060% Al, ≤0.050% Ca, ≤100 ppm B, ≤0.050% Ti, ≤0.050% Nb and the balance Fe with inevitable impurities. COPYRIGHT: (C)2004,JPO&NCIPI

公开(公告)号：JP2004183102A

公开(公告)日：2004-07-02

申请号：JP2003405949

申请日：2003-12-04

Applicant: Ascometal ,  アスコメタルAscometal

Inventor： ROBELET MARC

IPC: B22D18/02 ,  B21J5/00 ,  B22D17/00 ,  B22D17/02 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/60

CPC classification number: B22D17/007 ,  C22C38/02 ,  C22C38/04 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46

Abstract: PROBLEM TO BE SOLVED: To provide a steel of a new grade which is further suitable for half-melt forging. SOLUTION: The invention comprises adding one or more elements selected from phosphorus, bismuth, tin, arsenic and antimony, and silicon to a steel for a machine structure having an ordinary composition, in a prescribed ratio. The analytic improvement thereof is particularly satisfactorily suited for forming a component from the steel by half-melt forging. COPYRIGHT: (C)2004,JPO&NCIPI

公开(公告)号：JP2004183101A

公开(公告)日：2004-07-02

申请号：JP2003403359

申请日：2003-12-02

Applicant: Ascometal ,  アスコメタルAscometal

Inventor： MICHAUD HERVE ,  DIERICKX PIERRE ,  ANDRE GAELLE

IPC: B21K1/08 ,  C21D7/02 ,  C21D7/08 ,  C21D7/13 ,  C21D8/00 ,  C21D9/30 ,  C22C38/00 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/54 ,  C22C38/58 ,  C22C38/60

CPC classification number: C21D8/00 ,  C21D7/02 ,  C21D7/13 ,  C21D9/30 ,  C21D2211/002 ,  C21D2221/00 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/54 ,  C22C38/58 ,  C22C38/60 ,  F16C3/06

Abstract: PROBLEM TO BE SOLVED: To provide a method of producing a steel forging which can withstand fatigue stress on a high level. SOLUTION: The production method is provided with: a stage where a steel comprising, by weight, 0.06 to 0.35% C, 0.5 to 2% Mn, a trace amount to 2% Si, a trace amount to 1.5% Ni, a trace amount to 0.1% Al, a trace amount to 1.5% Cr, a trace amount to 0.30% Mo, a trace amount to 0.5% V, a trace amount to 1.5% Cu, and the balance iron with impurities produced on the production is prepared, and is cast; a stage where a blank for a component is forged at a temperature in the range from 1,100 to 1,300°C; a stage where the blank for a component is cooled in still or forcing air in the range from 600 to 300°C in a manner controlled to COPYRIGHT: (C)2004,JPO&NCIPI

公开(公告)号：US20240254610A1

公开(公告)日：2024-08-01

申请号：US18565931

申请日：2022-06-01

Applicant: Ascometal France Holding SAS

Inventor： Thomas Sourmail ,  Amandine Philippot ,  Enrico Cesare D'Eramo

IPC: C22C38/58 ,  C21D1/10 ,  C21D1/20 ,  C21D1/30 ,  C22C38/00 ,  C22C38/02 ,  C22C38/06 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  C22C38/60

CPC classification number: C22C38/58 ,  C21D1/10 ,  C21D1/20 ,  C21D1/30 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/06 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  C22C38/60 ,  C21D2211/001 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/008 ,  C21D2211/009

Abstract: The invention relates to a hot-formed steel part having a composition consisting of 0.22%≤C≤0.35%, 0.50%≤Mn≤1.70%; 0.50%≤Cr≤1.70%; traces≤Mo≤0.15%; traces≤Si≤0.40%; traces≤Ni≤0.50%; traces≤Cu≤0.50%; traces≤V≤0.08%; traces≤Al≤0.10%; 0.001%≤B≤0.010%; 0.01%≤Ti≤0.06%; traces≤Nb≤0.05%; traces≤S≤0.15%; traces≤Ca≤0.010%; traces≤Te≤0.030%; traces≤Se≤0.050%; traces≤Bi≤0.050%; traces≤Pb≤0.100%; traces≤P≤0.100%; traces≤N≤0.013%; with 540≤(830−270*C %−90*Mn %−70*Cr %−83*Mo %−37*Ni %)≤600 and Ti %≥2.5N %. The microstructure consists of at least 70% bainitic ferrite and carbides or residual austenite, the residual austenite fraction being at most 10%, at most 30% martensite and/or proeutectoid ferrite and/or pearlite, the proeutectoid ferrite and/or pearlite fraction being at most 10%.

公开(公告)号：US20010052376A1

公开(公告)日：2001-12-20

申请号：US09760855

申请日：2001-01-17

Applicant: ASCOMETAL

Inventor： Philippe Damie ,  Christian Turrel

IPC: B21C037/00 ,  C21D005/00

CPC classification number: C22C38/00 ,  C22B7/00 ,  Y02P10/212 ,  Y10T428/12431

Abstract: A carbon or low-alloy steel is provided with improved machinability. The carbon content of the steel is less than 1.5% and the sum of the alloy elements contained therein is less than 9%. The steel contains oxide and sulfide inclusions, and the chemical composition of the steel includes 0.1%nullMn, 0.01%nullAlnull0.05%, 0.025%nullSnull0.3%, 0.002%nullCa, Onull0.0015% by weight; the nullKO oxidesnull cleanness index is less than 30, all the oxides are lime aluminates, and the average calcium content of type 2, type 3, type 4 and type 5 inclusions is less than 30%. A process of manufacturing such steel and an oxide-coated wire for its manufacture are also provided.

Abstract translation: 碳或低合金钢具有改善的机械加工性。 钢的碳含量小于1.5％，其中含有的合金元素的总和小于9％。 该钢含有氧化物和硫化物夹杂物，钢的化学组成包括0.1％<= Mn，0.01％<= Al <= 0.05％，0.025％<= S <= 0.3％，0.002％<= Ca， = 0.0015重量％ “KO氧化物”的清洁指数小于30，所有的氧化物都是石灰铝酸盐，2型，3型，4型和5型夹杂物的平​​均钙含量小于30％。 还提供了制造这种钢和用于其制造的氧化物被覆丝的方法。

公开(公告)号：WO2011124851A3

公开(公告)日：2015-06-25

申请号：PCT/FR2011050781

申请日：2011-04-07

Applicant: ASCOMETAL SA ,  SOURMAIL THOMAS

Inventor： SOURMAIL THOMAS

IPC: C21D1/18 ,  C21D1/19 ,  C21D6/00 ,  C21D8/00 ,  C21D9/00 ,  C22C38/04 ,  C22C38/18

CPC classification number: C21D1/19 ,  C21D1/18 ,  C21D6/002 ,  C21D6/005 ,  C21D8/005 ,  C21D9/00 ,  C21D2211/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/18 ,  C22C38/44 ,  C22C38/46 ,  C22C38/58

Abstract: Mechanical part made of steel having high properties and process for manufacturing same. Mechanical part made of steel having high properties, characterized in that its composition, in percentages by weight, is: 0.05% ≤ C ≤ 0.25%; 1.2% ≤ Mn ≤ 2%; 1% ≤ Cr ≤ 2.5%; (830 - 270 C% - 90 Mn% - 70 Cr%) ≤ 560; traces ≤ Si ≤ 1.5%; traces ≤ Ni ≤ 1%; traces ≤ Mo ≤ 0.5%; traces ≤ Cu ≤ 1%; traces ≤ V ≤ 0.3%; traces ≤ Al ≤ 0.1%; traces ≤ B ≤ 0.005%; traces ≤ Ti ≤ 0.03% traces ≤ Nb ≤ 0.06%; traces ≤ S ≤ 0.1%; traces ≤ Ca ≤ 0.006%; traces ≤ Te ≤ 0.03%; traces ≤ Se ≤ 0.05%; traces ≤ Bi ≤ 0.05%; traces ≤ Pb ≤ 0.1%; the balance being iron and impurities resulting from the smelting, and in that its structure is bainitic and contains at most 20% in total of martensite and/or proeutectoid fernite and/or perlite. Process for manufacturing a mechanical part having this composition.

Abstract translation: 具有高性能的钢制机械部件及其制造方法。 机械部件由具有高性能的钢制成，其特征在于，其重量百分比的组成为：0.05％≤C≤0.25％; 1.2％≤Mn≤2％; 1％≤Cr≤2.5％; （830〜270C％〜90Mn％〜70Cr％）≤6060; 痕量≤Si≤1.5％; 痕量≤Ni≤1％; 痕量≤Mo≤0.5％ 痕量≤Cu≤1％; 痕量≤V≤0.3％; 痕量≤Al≤0.1％; 痕量≤B≤0.005％; 痕量≤Ti≤0.03％痕量≤Nb≤0.06％; 痕量≤S≤0.1％; 痕量≤Ca≤0.006％; 痕量≤Te≤0.03％; 痕量≤Se≤0.05％ 痕量≤Bi≤0.05％; 痕量≤Pb≤0.1％; 余量为铁和冶炼产生的杂质，其结构为贝氏体，总共含有马氏体和/或共析过的蕨类和/或珍珠岩的20％以下。 制造具有该组成的机械部件的方法。

公开(公告)号：WO2005098070A3

公开(公告)日：2006-10-05

申请号：PCT/FR2005000684

申请日：2005-03-21

Applicant: ASCOMETAL SA ,  DAGUIER PASCAL ,  DIERICKX PIERRE ,  PICHARD CLAUDE

Inventor： DAGUIER PASCAL ,  DIERICKX PIERRE ,  PICHARD CLAUDE

IPC: C22C38/22 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/20 ,  C22C38/26 ,  C22C38/60 ,  C23C8/22 ,  C23C8/32

CPC classification number: C22C38/02 ,  C22C38/001 ,  C22C38/04 ,  C22C38/20 ,  C22C38/22 ,  C22C38/26 ,  C22C38/60

Abstract: The inventive steel for mechanical parts is characterised by the composition thereof expressed in the following percentages by weight: 0.19 % = C = 0.25 %; 1.1 % = Mn = 1.5 %; 0.8 % = Si = 1.,2 %; 0.01 % = S = 0.09 %; traces = P = 0.025 %; traces = Ni = 0.25 %; 1 % = Cr = 1.4 %; 0.10 % = Mo = 0,25 %; traces = Cu = 0.30 %; 0.01 % = Al = 0.045 %; 0.010 % = Nb = 0.045 %; 0.0130 % = N = 0.0300 %; optionally traces = Bi = 0.10 % and/or traces = Pb = 0.12 % and/or traces = Te = 0.015 % and/or traces = Se = 0.030 % and/or traces = Ca = 0.0050 %. The rest being iron and impurities resulting from preparation, a chemical composition being adjusted in such a way that mean values J 3m , J 11m , J 15m et J 25m of five Jominy tests are such as a = | J 11m - J 3m x 14/22 - J 25m x 8/22 |= 2.5 HRC; and ß = J 3m - J 15m = 9 HRC. A method for producing a mechanical part from said steel and the thus obtainable mechanical part are also disclosed.

Abstract translation: 用于机械部件的本发明钢的特征在于其组成以下列重量百分比表示：0.19％= C = 0.25％; 1.1％= Mn = 1.5％; 0.8％= Si = 1..2％; 0.01％= S = 0.09％; 痕量= P = 0.025％; 痕量= Ni _{= 0.25％; 1％= Cr = 1.4％; 0.10％= Mo = 0.25％; 痕量= Cu = 0.30％; 0.01％= Al = 0.045％; 0.010％= Nb = 0.045％ 0.0130％= N = 0.0300％; 可选的迹线= Bi = 0.10％和/或迹线= Pb = 0.12％和/或迹线= Te = 0.015％和/或迹线= Se = 0.030％和/或迹线= Ca = 0.0050％。 其余为铁和由制备产生的杂质，化学成分以这样的方式调节，即平均值J 3m，J 11m，J 15m / 五个Jominy测试中的等于25m 如a = | J 11m - J 3m x 14/22 -J 25m x 8/22 | = 2.5HRC; 并且ß= J 3m -J 15m = 9 HRC。 还公开了从所述钢和由此获得的机械部件制造机械部件的方法。}

公开(公告)号：JPH1171613A

公开(公告)日：1999-03-16

申请号：JP19562998

申请日：1998-07-10

Applicant: ASCOMETAL SA

Inventor： PICHARD CLAUDE

IPC: C23C8/22 ,  C21D1/06 ,  C21D1/55 ,  C21D1/78 ,  C22C38/00 ,  C22C38/04 ,  C22C38/18 ,  C22C38/60 ,  C23C8/26 ,  C23C8/30 ,  C23C8/32

Abstract: PROBLEM TO BE SOLVED: To provide a method for producing machine parts of a steel by which a blank of steel parts is made, and at least the surface parts of this blank are subjected to carburizing or carbo-nitriding treatment. SOLUTION: This steel has a chemical compsn. contg., by weight, 0.15 to 0.35% C, 0 to 0.6% Si, 0 to 5% Mn+Cr+Mo, 0 to 0.1% Al, 0 to 0.5% Cu, 0 to 0.15% S and