EP3715490B1 - Verfahren zum giessen von stahllegierungskomponenten und gusskomponenten - Google Patents

Verfahren zum giessen von stahllegierungskomponenten und gusskomponenten Download PDF

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Publication number
EP3715490B1
EP3715490B1 EP19166206.3A EP19166206A EP3715490B1 EP 3715490 B1 EP3715490 B1 EP 3715490B1 EP 19166206 A EP19166206 A EP 19166206A EP 3715490 B1 EP3715490 B1 EP 3715490B1
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EP
European Patent Office
Prior art keywords
component
steel alloy
cast
casting
heat treatment
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Active
Application number
EP19166206.3A
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English (en)
French (fr)
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EP3715490A1 (de
Inventor
Clemens Bergmann
Michel Millot
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayerische Motoren Werke AG
Meita Industrial Co Ltd
Original Assignee
Bayerische Motoren Werke AG
Meita Industrial Co Ltd
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 Bayerische Motoren Werke AG, Meita Industrial Co Ltd filed Critical Bayerische Motoren Werke AG
Priority to EP19166206.3A priority Critical patent/EP3715490B1/de
Priority to CN202080026048.3A priority patent/CN113614267A/zh
Priority to EP20712393.6A priority patent/EP3947764A1/de
Priority to US17/598,736 priority patent/US20220154316A1/en
Priority to PCT/EP2020/058411 priority patent/WO2020200972A1/en
Publication of EP3715490A1 publication Critical patent/EP3715490A1/de
Application granted granted Critical
Publication of EP3715490B1 publication Critical patent/EP3715490B1/de
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/08—Making cast-iron 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C21D1/28—Normalising
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/06—Cast-iron alloys containing chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/06—Cast-iron alloys containing chromium
    • C22C37/08—Cast-iron alloys containing chromium with nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C37/00—Cast-iron alloys
    • C22C37/10—Cast-iron alloys containing aluminium or 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
    • C22C38/002—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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing 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
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • 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
    • C21D2211/009—Pearlite

Definitions

  • the invention relates to a method of manufacturing a component, and a component.
  • a steel alloy comprises, in percent by mass, 0.17 to 0.23 carbon (C).
  • the unit or specification "percent by mass” is also referred to as “percentage by mass”, “percentage by weight”, “percent by weight”, “weight percent, “weight percentage” or “mass fraction”.
  • the percentage by mass of a substance within a mixture or an alloy such as the steel alloy is the ratio of the mass of that substance to the total mass of the mixture or the alloy respectively.
  • said substance can be an alloying element such as carbon.
  • said carbon is a substance of the steel alloy.
  • the steel alloy comprises, in percent by mass, 1.40 to 1.60 silicon (Si), 0.50 to 0.60 manganese (Mn), up to 0.020 phosphor (P), up to 0.020 sulphur (S), up to 0.30 chrome (Cr), up to 0.12 molybdenum (Mo), up to 0.80 nickel (Ni), up to 0.30 copper (Cu) and up to 0.03 vanadium (V), the remainder or balance being iron (Fe) and incidental or unavoidable impurities.
  • This means the carbon, the silicon, the manganese, the phosphor, the sulphur, the chrome, the molybdenum, the nickel, the copper and the vanadium are substances, in particular alloying elements, of the steel alloy.
  • said iron and said impurities are substances of the steel alloy.
  • said impurities can be conditional of manufacturing.
  • the steel alloy comprises at least 95 percent by mass and preferably at least 95.5 percent by mass of iron.
  • the steel alloy comprises at least 95.78 percent by mass of iron.
  • the steel alloy comprises a mass fraction of at least 95 percent, preferably at least 95.5 percent and preferably at least 95.78 percent of iron, the remainder being incidental or unavoidable or inevitable impurities.
  • the steel alloy can be cast in a particular advantageous way so that components can be made of the steel alloy in a particular advantageous, time- and cost efficient way. It has particularly been found that silicon, in particular its mass fraction or percentage by mass according to the present invention, helps create a particularly good flowability of a molten mass made from the steel alloy.
  • the mass fraction of silicon according to the present invention helps realize an advantageously low solidus temperature.
  • manganese and its mass fraction according to the present invention help avoid an excessive or unwished reactivity, in particular during processing the steel alloy.
  • the steel alloy is a steel cast alloy. It has been found that the steel alloy used in the present invention can be cast in a particular advantageous way due to said substances and their respective mass fractions. In other words, the steel alloy used in the present invention is processed particular advantageously by casting.
  • the steel alloy as cast has a Brinell hardness of at least 190 HBW 5/750 and/or a yield point (R p0,2 ) of at least 300 megapascal (N/mm 2 ).
  • the present invention relates to a method of manufacturing a component in a cast state of the steel alloy, wherein the component is made from the steel alloy by casting, i.e. by a casting method or a casting process.
  • the present invention relates to a method for manufacturing at least one component. In said method the component is manufactured or made from the steel alloy described above.
  • the component is made from the steel alloy by casting, i.e. by a casting method or a casting process.
  • the component can be made in a particular easy and time- and cost-efficient way.
  • a particularly low wall thickness of the component can be realized by manufacturing the component from the steel alloy.
  • the component is subjected to a heat treatment after the casting.
  • the component is subjected to at least or exactly one heat treatment after the casting.
  • the heat treatment comprises a normalizing of the component.
  • the heat treatment is a normalizing of the component.
  • the normalizing is carried out in a temperature range extending from 900 degrees centigrade to 980 degrees centigrade.
  • the steel alloy has a tensile strength (R m ) of at least 560 megapascal and/or a yield point (R p0,2 ) of at least 370 megapascal and/or an elongation at break (A 5,65 ) of at least 20% and/or a Vickers hardness of at least 180 HV10 and/or a viscosity or ductility (KV) of at least 27 joule, wherein the ductility has been or can be determined by an impact test.
  • R m tensile strength
  • R p0,2 yield point
  • a 5,65 elongation at break
  • KV viscosity or ductility
  • Said tensile strength, said yield point, said elongation at break, said ductility and said Vickers hardness as well as said Brinell hardness are mechanical characteristics or properties of the steel alloy or the component respectively, wherein said properties and their mentioned characteristic values have been or can be determined according to DIN EN ISO 6892-1, in particular by means of a tensile test according to DIN EN ISO 6892-1.
  • said properties and their mentioned characteristic values have been or can be determined by means of a sample or probe which can be taken or drawn according to DIN EN ISO 377.
  • the probe or sample is also referred to as a specimen. If possible, the specimen type E according to DIN 50125 should be chosen.
  • the standards, in particular the DIN EN standards mentioned herein are or have been valid on June 29 th , 2017.
  • a homogeneous perlitic-ferritic structure or micro structure is created by the heat treatment, wherein during the heat treatment, a carbonization and a decarbonisation of the component are omitted.
  • the present invention also relates to a component which is a cast component.
  • Said cast component is obtained by the method according to the invention, i.e. from the steel alloy according to the description above.
  • the component is a body component for a body in white or an integral body of a vehicle, in particular a passenger vehicle.
  • the body in white or the integral body are also referred to as a self-supporting body, body work or shell.
  • the body component is a dome such as a suspension-strut dome.
  • the dome has a particularly low wall thickness which can be realized by using the steel alloy according to the description above.
  • the present invention relates to a cast component obtained by the method defined in claims 1 or 2.
  • Figs. 1 and 2 show a component 1 for a vehicle such as a car or an automobile.
  • said vehicle is a passenger vehicle having, in its completely assembled state, a body in white which is also referred to as a body, an integral body, a self-supporting body, a bodywork or a shell.
  • the component 1 is a body component of the body in white.
  • the component 1 is a dome in a form of a suspension-strut dome of the body in white.
  • the component 1 has a particularly low wall thickness.
  • the component 1 has a rib structure 2 stiffening the component 1.
  • the component 1 is formed in one piece. In other words, the component is integrally formed. As can be seen from Figs.
  • the component 1 has a recess 3 which is, preferably, a through opening.
  • a spring and/or damper element such as a suspension-strut can be supported on the component 1 in the vertical direction of the vehicle upwardly.
  • the spring and/or damper element can be arranged partially in the recess 3.
  • the component 1 is made from a steel alloy by casting, i.e. by a casting method.
  • Said steel alloy is a steel cast alloy which can be processed by casting in a particularly easy and time- and cost-efficient way.
  • Said steel alloy comprises the following substances, given in mass fractions in the unit %:
  • the steel alloy comprises the afore-mentioned substances, in percent by mass or percentage by mass.
  • the steel alloy can be processed very well, in particular by casting.
  • the component 1 After casting the component 1, the component 1 is subjected to a heat treatment, which is a normalizing of the component 1.
  • the normalizing is also referred to as a normalization and is performed in a temperature range of 900 to 980 degrees centigrade.
  • the component 1 is normalized in an oven.
  • a temperature and an atmosphere in the oven during the normalizing should be chosen in a way that a homogeneous perlitic-ferritic grain structure of the component 1 is accomplished and neither carbonisation nor decarbonisation of the component 1 or the steel alloy respectively occurs. This can be proven by means of a grain structure analysis.
  • the component 1 or the steel alloy has a tensile strength (TS) of at least 560 megapascal and /or a yield point or yield strength (YS) of at least 370 megapascal and/or an elongation at break or a fracture elongation (A 5.65 ) of at least 20 percent and/or a tensile ductility or toughness (KV) of at least 27 joule and/or a Vickers hardness of at least 180 HV10.
  • TS tensile strength
  • YS yield point or yield strength
  • a 5.65 of at least 20 percent
  • KV tensile ductility or toughness
  • a measurement to determine said toughness is preferably carried out according to ISO 148-1:2016 which, preferably, is or has been valid on June 29 th , 2017.
  • a measurement for determining said hardness is carried out according to DIN EN ISO 6507-1.
  • Said tensile strength, said yield strength, said fracture elongation, said toughness and said Vickers hardness are mechanical properties or mechanical characteristics in normalized condition of the component 1, i.e. after said normalizing.
  • the component 1 is cleaned, preferably by centrifugal blasting.
  • the component 1 is cleaned by means of airless blast cleaning after the casting and after the heat treatment.
  • Fig. 3 shows a flow diagram illustrating a process or process sequence which is carried out after the casting and after the heat treatment and, preferably, after said cleaning of the component 1.
  • the process sequence shown in Fig. 3 is carried out in order to realize a particularly high quality of a surface of the, in particular completely manufactured, component 1.
  • a first step S1 of the process sequence the component 1 is degreased, preferably by means of an alkaline fluid.
  • the component 1 is subjected to a first purging in which, preferably, the component 1 is purged by means of deionised water.
  • the second step S2 is carried out after the first step S1.
  • a third step S3 of the process sequence the component 1 is subjected to an ultrasonically cleaning in which, preferably, the component 1 is cleaned by means of the deionised water.
  • the third step S3 is carried out after the second step S2.
  • a fourth step S4 of the process sequence the component 1 is subjected to a first chemical polishing which is preferably carried out after the third step S3.
  • the fourth step S4 at least or exactly one layer having a thickness of 10 to 15 micrometres is abased from the component 1.
  • a fifth step S5 the component 1 is subjected to a second chemical polishing.
  • the fifth step S5 is an alternative to the fourth step S4 so that either the fourth step S4 or the fifth step S5 is carried out.
  • the fifth step S5 at least or exactly one layer having a thickness of 25 to 30 micrometres is abased from the component 1.
  • the fourth or fifth step respectively is carried out after the third step.
  • a sixth step S6 which is preferably carried out after the fourth step S4 or the fifth step S5 respectively, the component 1 is subjected to a second purging in which the component 1 is purged by deionised water.
  • a seventh step S7 of the process sequence the component 1 is subjected to an ultrasonically cleaning, wherein, preferably, the seventh step S7 is carried out after the sixth step S6.
  • the seventh step S7 the component 1 is ultrasonically cleaned by means of deionised water.
  • an eighth step S8 of the process sequence the component 1 is subjected to a pickling which is also referred to as a pickeling. Preferably, by means of the pickling the component 1 is cleaned.
  • the eighth step S8 is carried out after the seventh step S7.
  • a ninth step S9 of the process sequence the component 1 is subjected to a galvanising process in which the component 1 is galvanised.
  • the ninth step S9 is carried out after the eighth step S8.
  • the component 1 is furnished or provided with at least one layer by means of galvanising.
  • Said layer is made of zinc (Zn) in order to protect the component 1 from corrosion. Since the galvanising in the ninth step S9 is carried out after the pickling carried out in the eighth step S8, the layer adheres particularly advantageously or strongly to the surface of the component 1.
  • a corrosion protection oil in particular by spraying.
  • said corrosion protection oil is sprayed on said zinc layer and, thus, on a surface formed by said layer which is a zinc layer.
  • the tenth step S10 is carried out after the ninth step S9.
  • the component 1, in particular in its completely manufactured state has a surface having a surface roughness fulfilling the following demands: Ra max.10 micrometres, Rz max. 50 micrometres and Rt max. 75 micrometres.
  • said surface roughness is determined or measured according to DIN EN ISO 4288:1997.
  • the ninth step S9 is a coating or coating process which is also referred to as a galvanic zinc coating or galvanic zinc coating process, said layer being a zinc layer is a coat or a zinc coat.
  • the zinc coat is also referred to as a sink coating which is, preferably, at every position of the component 1 and, thus, completely closed.
  • the layer has a thickness of 7 to 15 micrometres.

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  • 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)
  • Heat Treatment Of Articles (AREA)

Claims (5)

  1. Verfahren zur Herstellung eines Bauteils in einem gegossenen Zustand einer Stahllegierung, die in Masseprozent umfasst:
    - 0,17 bis 0,23 Kohlenstoff;
    - 1,40 bis 1,60 Silizium;
    - 0,50 bis 0,60 Mangan;
    - bis zu 0,020 Phosphor;
    - bis zu 0,020 Schwefel;
    - bis zu 0,30 Chrom;
    - bis zu 0,12 Molybdän;
    - bis zu 0,80 Nickel;
    - bis zu 0,30 Kupfer;
    - bis zu 0,03 Vanadium;
    wobei der Rest Eisen und zufällige Verunreinigungen ist, wobei das Bauteil (1) aus der Stahllegierung durch Gießen hergestellt wird, wobei nach dem Gießen das Bauteil (1) einer Wärmebehandlung unterzogen wird, die ein Normalglühen des Bauteils (1), umfasst, und wobei das Normalglühen in einem Temperaturbereich ausgeführt wird, der sich von 900 Grad Celsius bis 980 Grad Celsius erstreckt.
  2. Verfahren nach Anspruch 1,
    dadurch gekennzeichnet, dass
    durch die Wärmebehandlung eine homogene perlitisch-ferritische Struktur erzeugt wird, wobei während der Wärmebehandlung eine Karbonisierung und eine Dekarbonisierung des Bauteils unterlassen werden.
  3. Gussbauteil (1), das durch das Verfahren nach Anspruch 1 oder 2 erhalten wird.
  4. Gussbauteil nach Anspruch 3,
    dadurch gekennzeichnet, dass
    das Bauteil (1) ein Karosseriebauteil für eine Rohkarosserie oder eine selbsttragende Karosserie eines Fahrzeugs ist.
  5. Gussbauteil (1) nach Anspruch 4,
    dadurch gekennzeichnet, dass
    das Karosseriebauteil (1) ein Dom ist.
EP19166206.3A 2019-03-29 2019-03-29 Verfahren zum giessen von stahllegierungskomponenten und gusskomponenten Active EP3715490B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP19166206.3A EP3715490B1 (de) 2019-03-29 2019-03-29 Verfahren zum giessen von stahllegierungskomponenten und gusskomponenten
CN202080026048.3A CN113614267A (zh) 2019-03-29 2020-03-25 钢合金、这样的钢合金的用途和部件
EP20712393.6A EP3947764A1 (de) 2019-03-29 2020-03-25 Stahllegierung, verwendung solch einer stahllegierung und komponente
US17/598,736 US20220154316A1 (en) 2019-03-29 2020-03-25 Steel Alloy, Use of Such a Steel Alloy, and Component
PCT/EP2020/058411 WO2020200972A1 (en) 2019-03-29 2020-03-25 Steel alloy, use of such a steel alloy, and component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19166206.3A EP3715490B1 (de) 2019-03-29 2019-03-29 Verfahren zum giessen von stahllegierungskomponenten und gusskomponenten

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Publication Number Publication Date
EP3715490A1 EP3715490A1 (de) 2020-09-30
EP3715490B1 true EP3715490B1 (de) 2023-08-23

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EP19166206.3A Active EP3715490B1 (de) 2019-03-29 2019-03-29 Verfahren zum giessen von stahllegierungskomponenten und gusskomponenten
EP20712393.6A Withdrawn EP3947764A1 (de) 2019-03-29 2020-03-25 Stahllegierung, verwendung solch einer stahllegierung und komponente

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EP20712393.6A Withdrawn EP3947764A1 (de) 2019-03-29 2020-03-25 Stahllegierung, verwendung solch einer stahllegierung und komponente

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US (1) US20220154316A1 (de)
EP (2) EP3715490B1 (de)
CN (1) CN113614267A (de)
WO (1) WO2020200972A1 (de)

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JP2005273006A (ja) * 2004-02-27 2005-10-06 Jfe Steel Kk 等速ジョイント外輪およびその製造方法
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CN101343716B (zh) * 2008-06-27 2010-12-01 南车戚墅堰机车车辆工艺研究所有限公司 一种低合金铸钢
JP5503195B2 (ja) * 2009-06-18 2014-05-28 株式会社神戸製鋼所 摩擦圧接に適した機械構造用鋼材およびその製造方法、摩擦圧接部品
JP5629598B2 (ja) * 2011-02-15 2014-11-19 株式会社神戸製鋼所 高強度中空ばね用シームレス鋼管用素管の製造方法
DE102011057007B4 (de) * 2011-12-23 2013-09-26 Benteler Automobiltechnik Gmbh Verfahren zum Herstellen eines Kraftfahrzeugbauteils sowie Kraftfahrzeugbauteil
CN105779893B (zh) * 2012-06-28 2018-08-10 中车戚墅堰机车车辆工艺研究所有限公司 用于高速列车制动盘的合金铸钢及由该合金铸钢制造的高速列车制动盘
KR101699644B1 (ko) * 2012-11-06 2017-01-24 신닛테츠스미킨 카부시키카이샤 합금화 용융 아연 도금 강판과 그 제조 방법
CN106834929A (zh) * 2017-03-03 2017-06-13 衡水裕菖铸锻有限公司 一种适用于大气腐蚀环境下的耐腐蚀铸钢及其热处理工艺
JP7127999B2 (ja) * 2017-03-27 2022-08-30 株式会社神戸製鋼所 鍛鋼品用鋼、組立型クランク軸用鍛鋼クランクスローおよび鍛鋼ジャーナル
CN107267861A (zh) * 2017-05-31 2017-10-20 舞阳钢铁有限责任公司 连铸坯生产正火高强度s460nl厚钢板及其生产方法

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EP3947764A1 (de) 2022-02-09
US20220154316A1 (en) 2022-05-19
WO2020200972A1 (en) 2020-10-08
CN113614267A (zh) 2021-11-05

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