FI3770295T3 - Alumiini-piiseospinnoitteella varustetun kuumapuristuskomponentin valmistusmenetelmä - Google Patents

Alumiini-piiseospinnoitteella varustetun kuumapuristuskomponentin valmistusmenetelmä Download PDF

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FI3770295T3
FI3770295T3 FIEP19847997.4T FI19847997T FI3770295T3 FI 3770295 T3 FI3770295 T3 FI 3770295T3 FI 19847997 T FI19847997 T FI 19847997T FI 3770295 T3 FI3770295 T3 FI 3770295T3
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aluminum
heating
alloy coating
silicon alloy
temperature
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Ning Tan
Jiang Fu
Jiyao Hong
Xuehua Fang
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Baoshan Iron & Steel
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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/12—Aluminium or alloys based thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B21D22/022—Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment
    • 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
    • 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
    • C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/16—Heating or cooling
    • 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
    • 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
    • C21D1/62—Quenching devices
    • C21D1/673—Quenching devices for die quenching
    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • 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
    • C21D11/00—Process control or regulation for heat treatments
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
    • 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
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; Strips
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/021—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/02—Alloys based on aluminium with silicon as the next major constituent
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • C—CHEMISTRY; METALLURGY
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    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese

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Claims (9)

PATENTTIVAATIMUKSET
1. Alumiini-piiseospinnoitteella varustetun kuumapuristuskomponentin valmistusmenetelmä, joka kä- sittää seuraavat vaiheet: työstetään alumiini-pii- seospinnoitteella pinnoitettu teräslevy aihioksi, jolla on osalle vaadittava muoto; suoritetaan aihion lämpökä- sittely ja kuumapuristus; jossa aihion lämpökäsittelyssä aihio laitetaan lämpökäsittelyuuniin austenointilämpökäsittelyä varten, ja aihion lämpökäsittelyprosessi käsittää ensimmäisen kuumennus- ja pitovaiheen, toisen kuumennus- ja pito- vaiheen ja kolmannen kuumennus- ja pitovaiheen; ja jossa: kun alumiini-piiseospinnoitteella pinnoitetun teräslevyn paksuus on alle 1,5 mm, ensimmäisessä kuumennus- ja pitovaiheessa kuu- mentamisen ja pidon lämpötila ja aika ovat graafin ABCD sisällä, joka graafi ABCD esittää lämpötila- ja aika- alueet, jotka ovat koordinaattien A (750 °C, 30 s), B (750 °c, 90 s), C (870 °C, 90 s) ja D (870 °c, 30 s) määrittämät; ja toisessa kuumennus- ja pitovaiheessa kuumenta- misen ja pidon lämpötila ja aika ovat graafin EFGH si- sällä, joka graafi EFGH esittää lämpötila- ja aika-alu- eet, jotka ovat koordinaattien E (875 °C, 60 s), F (875 °c, 240 s), G (930 °c, 150 s) ja H (930 °C, 30 s) määrittämät; ja kolmannessa kuumennus- ja pitovaiheessa kuu- mentamisen ja pidon lämpötila ja aika ovat araafin IJKL sisällä, joka graafi IJKI esittää lämpötila- ja aika- alueet, jotka ovat koordinaattien I (935 °C, 60 s), J (935 °C, 240 s), K (955 °C, 180 s) ja L (955 °C, 30 s) määrittämät; kun alumiini-piiseospinnoitteella pinnoitetun teräslevyn paksuus on 1,5 mm tai enemmän, ensimmäisessä kuumennus- ja pitovaiheessa kuu- mentamisen ja pidon lämpötila ja aika ovat graafin
A'B'/C'D' sisällä, joka graafi A'B'/C'D' esittää lämpö- tila- ja aika-alueet, jotka ovat koordinaattien A’ (750 °c, 30 s), B' (750 °c, 90 s), C' (890 °C, 90 s) ja D' (890 °C, 30 s) määrittämät; ja toisessa kuumennus- ja pitovaiheessa kuumenta- misen ja pidon lämpötila ja aika ovat graafin E/F'G'H' sisällä, joka graafi E/F'/GH' esittää lämpötila- ja aika-alueet, jotka ovat koordinaattien E’ (895 °C, 90 s), EF" (895 °c, 270 s), G' (940 °C, 210 s) ja H' (940 °C, 60 s) määrittämät; ja kolmannessa kuumennus- ja pitovaiheessa kuu- mentamisen ja pidon lämpötila ja aika ovat graafin I'J':K'/L' sisällä, joka graafi I'J'K'L' esittää lämpö- tila- ja aika-alueet, jotka ovat koordinaattien I” (945 °c, 60 s), J" (945 °c, 240 s), K' (955 °c, 180 s) ja L’ (955 °C, 30 s) määrittämät.
2. Patenttivaatimuksen 1 mukainen alumiini- piiseospinnoitteella varustetun kuumapuristuskomponen- tin valmistusmenetelmä, jossa aihion lämpökäsittelypro- sessissa lämpötila nousee asteittain ensimmäisen, toi- sen ja kolmannen kuumennus- ja pitovaiheen mukaisessa järjestyksessä, tai ensimmäisen, toisen ja kolmannen kuumennus- ja pitovaiheen lämpötilat on asetettu tie- tyiksi lämpötiloiksi.
3. Patenttivaatimuksen 1 mukainen alumiini- piiseospinnoitteella varustetun kuumapuristuskomponen- tin valmistusmenetelmä, jossa aihion lämpökäsittelypro- sessin aika on vähintään 150 s ja enintään 600 s.
4. Patenttivaatimuksen 1 mukainen alumiini- piiseospinnoitteella varustetun kuumapuristuskomponen- tin valmistusmenetelmä, jossa aihion lämpökäsittelypro- sessissa käytetään lämpökäsittelyuunia, jossa happipi- toisuus uunin ilmakehässä on vähintään 15 % ja kaste- piste uunissa ei ole korkeampi kuin -5 °C.
5. Patenttivaatimuksen 1 mukainen alumiini- piiseospinnoitteella varustetun kuumapuristuskomponen- tin valmistusmenetelmä, jossa kuumapuristusprosessissa lämpökäsitelty aihio siirretään nopeasti muottiin pu- ristamista varten, siirtoaika on 4-12 sekuntia, ja aihio on vähintään 600 *C:n lämpötilassa ennen sen syöttämistä muottiin; muotti jäähdytetään ennen puristamista, jotta varmistetaan, että muotin pintalämpötila ennen purista- mista on alle 100 °C, ja aihion jäähdytysnopeus on suu- rempi kuin 30 °C/s.
6. Patenttivaatimuksen 1 mukainen alumiini- piiseospinnoitteella varustetun kuumapuristuskomponen- tin valmistusmenetelmä, jossa alumiini-piiseospinnoit- teella pinnoitettu teräslevy käsittää substraatin ja alumiini-piiseospinnoitteen ainakin yhdellä substraatin pinnalla, ja substraatti käsittää seuraavan koostumuk- sen painoprosentteina: C: 0,04-0,8 %, Si < 1,2 %, Mn: 0,1-5 %, P < 0,3 23, S < 0,1 3, Al < 0,3 8%, Ti < 0,5 %, B < 0,1 3, Cr < 3 %, ja loppuosa on Fe:tä ja väistämät- tömiä epäpuhtauksia.
7. Patenttivaatimuksen 6 mukainen alumiini- piiseospinnoitteella varustetun kuumapuristuskomponen- tin valmistusmenetelmä, jossa alumiini-piiseospinnoite käsittää seuraavan koostumuksen painoprosentteina: Si: 4-14 %, Fe: 0-4 %, ja loppuosa on Al:ia ja väistämättömiä epäpuhtauksia.
8. Patenttivaatimuksen 6 tai 7 mukainen alu- miini-piiseospinnoitteella varustetun kuumapuristuskom- ponentin valmistusmenetelmä, jossa alumiini-piiseospin- noitteen keskimääräinen paino on 58-105 g/m? yhdellä puolella.
9. Patenttivaatimuksen 6 tai 7 mukainen alu- miini-piiseospinnoitteella varustetun kuumapuristuskom- ponentin valmistusmenetelmä, jossa alumiini-piiseospin- noitteen keskimääräinen paino on 72-88 g/m? yhdellä puo- lella.
FIEP19847997.4T 2018-08-08 2019-09-06 Alumiini-piiseospinnoitteella varustetun kuumapuristuskomponentin valmistusmenetelmä FI3770295T3 (fi)

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CN201810896744 2018-08-08
CN201811035118.2A CN109518114A (zh) 2018-08-08 2018-09-06 带铝硅合金镀层的热冲压部件的制造方法及热冲压部件
PCT/CN2019/104708 WO2020030200A1 (zh) 2018-08-08 2019-09-06 带铝硅合金镀层的热冲压部件的制造方法及热冲压部件

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CN117483561A (zh) * 2018-08-08 2024-02-02 宝山钢铁股份有限公司 带铝硅合金镀层的热冲压部件的制造方法及热冲压部件
CN112877592B (zh) * 2019-11-29 2022-06-28 宝山钢铁股份有限公司 具有优异漆膜附着力的热成形部件及其制造方法
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