JP2017534748A - 窒化包装鋼の製造方法 - Google Patents
窒化包装鋼の製造方法 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
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- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
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- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
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- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0257—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment with diffusion of elements, e.g. decarburising, nitriding
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- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
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- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0405—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing of ferrous alloys
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- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
- C21D8/0436—Cold rolling
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- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
- C21D8/0457—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment with diffusion of elements, e.g. decarburising, nitriding
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- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
- C21D8/0473—Final recrystallisation annealing
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- 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
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- 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
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- 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
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- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
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- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F17/00—Multi-step processes for surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by subclass C21D or C22F or class C25
Abstract
Description
Claims (15)
- 炭素含有量が10〜1000ppmであり、鋼中に溶存する未結合窒素の量が100ppmを超える窒化包装鋼の製造方法であり、以下のステップ、
a)窒素含有ガスおよび/または窒素含有固体を溶鋼中に供給することによって、最大で160ppmの窒素含有量になるまで溶鋼を窒化するステップ、
b)前記溶鋼から鋼片を鋳造し、前記鋼片を熱間圧延してホットストリップを形成するステップ、
c)前記ホットストリップを冷間圧延して平鋼製品を形成するステップ、
d)前記冷間圧延された平鋼製品を焼鈍炉で、特に連続焼鈍炉で再結晶焼鈍するステップであって、前記平鋼製品中の未結合窒素の量をさらに増加させるために、窒素含有ガスが前記焼鈍炉に導入され、かつ前記平鋼製品上に向けられて成るステップを備えることを特徴とする方法。 - ステップa)で、前記溶鋼の窒化は、窒素ガス(N2)および/またはカルシウムシアナミド(CaCN2)および/またはマンガン窒化物(MnN)を前記溶鋼中に供給することによって行われることを特徴とする、請求項1に記載の方法。
- ステップd)で、アンモニアガス(NH3)が前記焼鈍炉内に供給されることを特徴とする、請求項1または2に記載の方法。
- 前記アンモニアガス(NH3)は前記焼鈍炉内で1つまたは複数の噴射ノズルによって前記平鋼製品上に向けられることを特徴とする、請求項3に記載の方法。
- 前記アンモニアガス(NH3)を供給した結果、0.05〜1.5%の範囲の濃度で前記焼鈍炉内にアンモニア平衡が確立されることを特徴とする、請求項3または4に記載の方法。
- アンモニアガス(NH3)を供給した結果、前記焼鈍炉内に生じるアンモニア平衡濃度は、アンモニアセンサを用いて測定されることを特徴とする、請求項3〜5のいずれか一項に記載の方法。
- 前記測定されたアンモニア平衡濃度の値は、前記焼鈍炉内に供給される単位時間当たりのアンモニアガスの量を制御するために使用されることを特徴とする、請求項6に記載の方法。
- アンモニアガス(NH3)に加えて、不活性ガス、特に窒素ガス(N2)および/または水素ガス(H2)、好ましくは95wt%の窒素ガス(N2)および5wt%の水素ガス(H2)の混合物もまた前記焼鈍炉に供給されることを特徴とする、請求項3〜7のいずれか一項に記載の方法。
- 前記冷間圧延された平鋼製品を前記焼鈍炉内で窒化した後、未結合窒素の量は100〜500ppmの範囲であり、好ましくは150ppm超であり、最も好ましくは200〜350ppmの範囲であることを特徴とする、請求項1〜8のいずれか一項に記載の方法。
- ステップd)における前記冷間圧延された平鋼製品の再結晶焼鈍は、前記平鋼製品を連続焼鈍炉に通すことによって達成され、前記連続炉内で前記平鋼製品は600℃を超える温度まで、および好ましくは620℃〜660℃の範囲の温度まで加熱されることを特徴とする、請求項1〜9のいずれか一項に記載の方法。
- 前記鋼の前記炭素含有量は100〜1000ppmの範囲、および好ましくは500〜900ppmの範囲であることを特徴とする、請求項1〜10のいずれか一項に記載の方法。
- 特に請求項1〜11のいずれか一項に記載の方法によって製造された、0.5mm未満、および好ましくは0.4mm未満の厚さを有する平鋼製品の形の窒化包装鋼であって、炭素含有量が10〜1000ppmの範囲であり、鋼中に溶存する未結合窒素の平均量が100ppmを超える包装鋼において、前記未結合窒素の濃度分布のばらつきが、前記平鋼製品の厚さ全体にわたって窒素の平均量から±10ppm未満であることを特徴とする窒化包装鋼。
- 前記未結合窒素の前記濃度分布のばらつきが、前記平鋼製品の厚さ全体にわたって窒素の平均量から±5ppm未満であることを特徴とする、請求項12に記載の窒化包装鋼。
- 前記包装鋼の極限引張強度が600MPaより大きいことを特徴とする、請求項12に記載の窒化包装鋼。
- 前記未結合窒素の平均量が150ppmより大きく、好ましくは200〜350ppmの範囲であることを特徴とする、請求項12に記載の窒化包装鋼。
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DE102014112286.0A DE102014112286A1 (de) | 2014-08-27 | 2014-08-27 | Verfahren zur Herstellung eines aufgestickten Verpackungsstahls |
DE102014112286.0 | 2014-08-27 | ||
PCT/EP2015/065055 WO2016030056A1 (de) | 2014-08-27 | 2015-07-02 | Verfahren zur herstellung eines aufgestickten verpackungsstahls |
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US (1) | US10920309B2 (ja) |
EP (1) | EP3186401B1 (ja) |
JP (1) | JP6357274B2 (ja) |
KR (1) | KR102439567B1 (ja) |
CN (1) | CN106661655B (ja) |
AU (1) | AU2015309232B2 (ja) |
BR (1) | BR112017002172B1 (ja) |
CA (1) | CA2954713C (ja) |
DE (1) | DE102014112286A1 (ja) |
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DE102014116929B3 (de) * | 2014-11-19 | 2015-11-05 | Thyssenkrupp Ag | Verfahren zur Herstellung eines aufgestickten Verpackungsstahls, kaltgewalztes Stahlflachprodukt und Vorrichtung zum rekristallisierenden Glühen und Aufsticken eines Stahlflachprodukts |
DE102020106164A1 (de) * | 2020-03-06 | 2021-09-09 | Thyssenkrupp Rasselstein Gmbh | Kaltgewalztes Stahlflachprodukt für Verpackungen |
DE102020112485B3 (de) * | 2020-05-08 | 2021-08-12 | Thyssenkrupp Rasselstein Gmbh | Stahlblech und Verfahren zur Herstellung eines Stahlblechs für Verpackungen |
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WO2016030056A1 (de) | 2016-03-03 |
RS59266B1 (sr) | 2019-10-31 |
KR20170046642A (ko) | 2017-05-02 |
CN106661655B (zh) | 2018-09-28 |
US20170253957A1 (en) | 2017-09-07 |
US10920309B2 (en) | 2021-02-16 |
CN106661655A (zh) | 2017-05-10 |
KR102439567B1 (ko) | 2022-09-02 |
DE102014112286A1 (de) | 2016-03-03 |
BR112017002172B1 (pt) | 2021-09-08 |
AU2015309232B2 (en) | 2018-06-14 |
EP3186401B1 (de) | 2019-06-12 |
AU2015309232A1 (en) | 2017-02-02 |
EP3186401A1 (de) | 2017-07-05 |
JP6357274B2 (ja) | 2018-07-11 |
ES2734402T3 (es) | 2019-12-05 |
CA2954713C (en) | 2020-05-12 |
CA2954713A1 (en) | 2016-03-03 |
BR112017002172A2 (pt) | 2017-11-21 |
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