JP2020037746A - 金属被覆鋼ストリップの製造方法 - Google Patents
金属被覆鋼ストリップの製造方法 Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 14
- 239000002184 metal Substances 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title description 7
- 238000000576 coating method Methods 0.000 claims abstract description 104
- 239000011248 coating agent Substances 0.000 claims abstract description 91
- 229910001092 metal group alloy Inorganic materials 0.000 claims abstract description 65
- 238000000034 method Methods 0.000 claims abstract description 57
- 238000007598 dipping method Methods 0.000 claims abstract description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 70
- 239000000956 alloy Substances 0.000 claims description 70
- 238000001816 cooling Methods 0.000 claims description 54
- 229910007981 Si-Mg Inorganic materials 0.000 claims description 44
- 229910008316 Si—Mg Inorganic materials 0.000 claims description 44
- 239000000498 cooling water Substances 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 17
- 239000012535 impurity Substances 0.000 claims description 13
- 238000002161 passivation Methods 0.000 claims description 11
- 229910052749 magnesium Inorganic materials 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 8
- 238000007747 plating Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 229910018134 Al-Mg Inorganic materials 0.000 claims description 3
- 229910018467 Al—Mg Inorganic materials 0.000 claims description 3
- 229910018571 Al—Zn—Mg Inorganic materials 0.000 claims description 3
- 229910009369 Zn Mg Inorganic materials 0.000 claims description 3
- 229910007573 Zn-Mg Inorganic materials 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 3
- 238000005275 alloying Methods 0.000 claims description 3
- 239000008199 coating composition Substances 0.000 abstract description 5
- 238000003618 dip coating Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 46
- 239000010410 layer Substances 0.000 description 28
- 238000010791 quenching Methods 0.000 description 24
- 239000011777 magnesium Substances 0.000 description 18
- 230000007797 corrosion Effects 0.000 description 17
- 238000005260 corrosion Methods 0.000 description 17
- 230000000171 quenching effect Effects 0.000 description 16
- 238000001465 metallisation Methods 0.000 description 14
- 239000011701 zinc Substances 0.000 description 11
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
- 229910018137 Al-Zn Inorganic materials 0.000 description 6
- 229910018573 Al—Zn Inorganic materials 0.000 description 6
- 239000011575 calcium Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 238000012827 research and development Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910019064 Mg-Si Inorganic materials 0.000 description 2
- 229910019406 Mg—Si Inorganic materials 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- -1 Zn-Mg based alloys Chemical class 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 206010027146 Melanoderma Diseases 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013766 direct food additive Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical group [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 210000004894 snout Anatomy 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
-
- 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
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- 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
-
- 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
-
- 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
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
- C23C2/29—Cooling or quenching
-
- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
- C23C22/77—Controlling or regulating of the coating process
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
- Y10T428/12583—Component contains compound of adjacent metal
- Y10T428/1259—Oxide
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- Oil, Petroleum & Natural Gas (AREA)
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- General Chemical & Material Sciences (AREA)
- Coating With Molten Metal (AREA)
Abstract
Description
(a)溶融めっき工程の前に、前記ストリップを清浄にするためにストリップを前処理する工程、
(b)前記被覆工程の直後に前記被覆ストリップの厚さを制御する工程、
(c)前記被覆ストリップを圧延(rolling)する工程、および
(d)前記被覆ストリップを巻き取る(coiling)工程。
金から成る群から選択される少なくとも1種の金属合金であり、それらの合金の各々は、
例えばSiなどの他の元素を含み、その追加の元素は、意図的な合金添加物または不可避
不純物の結果であってもよい。
Al: 2〜19%
Si: 0.01〜2%
Mg: 1〜10%
残部 Znおよび不可避不純物
Zn: 30〜60%
Si: 0.3〜3%
Mg: 0.3〜10%
残部 Alおよび不可避不純物
Zn: 35〜50%
Si: 1.2〜2.5%
Mg: 1.0〜3.0%
残部 Alおよび不可避不純物
Al: 2〜19%
Si: 0.01〜2%
Mg: 1〜10%
残部 Znおよび不可避不純物
Zn: 30〜60%
Si: 0.3〜3%
Mg: 0.3〜10%
残部 Alおよび不可避不純物
図1を参照すると、使用時に、冷間圧延した低炭素鋼ストリップの(複数の)コイルは、巻き解きステーション1(uncoiling station 1)で巻き解かれ、そして次の巻き解き長さのストリップ(successive uncoiled lengths of the strip)は、溶接機2により端部が端部に溶接されて、連続した長さのストリップとなる。
Claims (22)
- 金属合金被覆鋼ストリップを形成するために、鋼ストリップ上に金属合金被覆を形成する方法であって、
鋼ストリップを溶融金属合金浴に浸漬して、前記鋼ストリップの露出面に金属合金の層を形成する溶融めっき工程であって、前記金属被覆浴から取り出した後に、前記金属合金被覆鋼ストリップの前記金属合金被覆上に天然の酸化層が生じる、溶融めっき工程を含み、
前記方法は、下流側の工程の間に前記天然の酸化層が前記金属合金被覆上にそのまま維持されるように、前記溶融めっき工程の下流側の方法を制御すること、および/または、金属被覆の組成を選択することを含む方法。 - 前記方法は、前記金属合金被覆ストリップを不動態化溶液で処理する工程を含み、
前記方法は、前記天然の酸化層が前記金属合金被覆上に少なくとも実質的にそのまま維持されるように、前記溶融めっき工程と不動態化工程との間の方法を制御することを含む、請求項1に記載の方法。 - 前記方法は、前記金属合金被覆ストリップを冷却水で冷却する工程を含み、
前記溶融めっき工程の下流側の条件を制御する工程は、前記天然の酸化層が前記金属合金被覆上に少なくとも実質的にそのまま維持されるように、前記ストリップを冷却する工程を制御することを含む、請求項1また2に記載の方法。 - 前記ストリップを冷却する工程は、冷却水のpHをpH5〜9の範囲に制御することを含む、請求項3に記載の方法。
- 前記ストリップを冷却する工程は、冷却水の前記pHを8未満に制御することを含む、請求項3に記載の方法。
- 前記ストリップを冷却する工程は、冷却水の前記pHを7未満に制御することを含む、請求項3に記載の方法。
- 前記ストリップを冷却する工程は、冷却水の前記pHを、6を超えるように制御することを含む、請求項3に記載の方法。
- 前記ストリップを冷却する工程は、冷却水の温度を25〜80℃の範囲に制御することを含む、請求項3〜7のいずれか1項に記載の方法。
- 前記ストリップを冷却する工程は、冷却水の温度を70℃未満に制御することを含む、請求項3〜7のいずれか1項に記載の方法。
- 前記ストリップを冷却する工程は、冷却水の温度を60℃未満に制御することを含む、請求項3〜7のいずれか1項に記載の方法。
- 前記ストリップを冷却する工程は、冷却水の温度を55℃未満に制御することを含む、請求項3〜7のいずれか1項に記載の方法。
- 前記ストリップを冷却する工程は、冷却水の温度を50℃未満に制御することを含む、請求項3〜7のいずれか1項に記載の方法。
- 前記ストリップを冷却する工程は、冷却水の温度を、40℃を超えるように制御することを含む、請求項3〜7のいずれか1項に記載の方法。
- 前記ストリップを冷却する工程は、前記冷却水に酸を添加することにより前記pHを制御することを含む、請求項3〜13のいずれか1項に記載の方法。
- 前記ストリップを冷却する工程は、前記冷却水の化学成分を制御することを含む、請求項3〜13のいずれか1項に記載の方法。
- 前記ストリップを冷却する工程は、前記冷却水に酸を添加することにより、化学成分を制御することおよび前記pHを制御することを含む、請求項3〜13のいずれか1項に記載の方法。
- 前記ストリップを冷却する工程は、前記被覆ストリップを30〜50℃の温度範囲に冷却するように、操作条件を制御することを含む、請求項3〜16のいずれか1項に記載の方法。
- 前記金属合金被覆は、Zn-Mg系合金、Al-Mg系合金、およびAl-Zn-Mg系合金から形成されており、
それらの合金の各々は、例えばSiなどの他の元素を含み、
その追加の元素は、意図的な合金添加物または不可避不純物の結果である、請求項1〜17のいずれか1項に記載の方法。 - 前記金属合金被覆は、Al-Zn-Si-Mg合金から形成された被覆である、請求項1〜18のいずれか1項に記載の方法。
- 前記Al-Zn-Si-Mg合金は、重量%で以下の範囲で含む、請求項19に記載の方法。
Al: 2〜19%
Si: 0.01〜2%
Mg: 1〜10%
残部 Znおよび不可避不純物 - 前記Al-Zn-Si-Mg合金は、Al、Zn、SiおよびMgの元素を、重量%で以下の範囲で含む、請求項19に記載の方法。
Zn: 30〜60%
Si: 0.3〜3%
Mg: 0.3〜10%
残部 Alおよび不可避不純物 - 請求項1〜21のいずれか1項に記載の方法で製造された金属合金被覆鋼ストリップ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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AU2012904547 | 2012-10-18 | ||
AU2012904547A AU2012904547A0 (en) | 2012-10-18 | Method of Producing Metal-Coated Steel Strip |
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TWI653362B (zh) * | 2012-10-17 | 2019-03-11 | 澳大利亞商布魯史寇普鋼鐵有限公司 | 金屬被覆鋼帶的製造方法 |
NZ706324A (en) * | 2012-10-18 | 2019-02-22 | Bluescope Steel Ltd | Method of producing metal coated steel strip |
EP3575434B1 (en) | 2017-01-27 | 2022-11-30 | Nippon Steel Corporation | Metallic coated steel product |
JP6897757B2 (ja) * | 2017-03-31 | 2021-07-07 | 日本製鉄株式会社 | 表面処理鋼板 |
DE102020208991A1 (de) | 2020-07-17 | 2022-01-20 | Thyssenkrupp Steel Europe Ag | Verfahren zur Herstellung eines schmelztauchbeschichteten Stahlblechs und schmelztauchbeschichtetes Stahlblech |
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- 2013-10-17 CN CN202011208946.9A patent/CN112662976A/zh active Pending
- 2013-10-17 TW TW102137510A patent/TWI653361B/zh active
- 2013-10-17 MY MYPI2015700809A patent/MY177333A/en unknown
- 2013-10-17 CN CN201380053893.XA patent/CN104736737A/zh active Pending
- 2013-10-17 KR KR1020237008024A patent/KR20230039759A/ko not_active Application Discontinuation
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EP2909352A4 (en) | 2015-12-02 |
WO2014059474A1 (en) | 2014-04-24 |
TWI653361B (zh) | 2019-03-11 |
JP2015532365A (ja) | 2015-11-09 |
CN112662976A (zh) | 2021-04-16 |
MY177333A (en) | 2020-09-12 |
AU2013332256A1 (en) | 2015-04-09 |
US20150267287A1 (en) | 2015-09-24 |
US20230349034A1 (en) | 2023-11-02 |
KR20230039759A (ko) | 2023-03-21 |
KR102509482B1 (ko) | 2023-03-10 |
KR20150070230A (ko) | 2015-06-24 |
EP2909352B1 (en) | 2020-05-27 |
JP6619230B2 (ja) | 2019-12-11 |
KR20210021102A (ko) | 2021-02-24 |
US20190003030A1 (en) | 2019-01-03 |
EP2909352A1 (en) | 2015-08-26 |
AU2013332256B2 (en) | 2018-03-22 |
TW201425642A (zh) | 2014-07-01 |
NZ706324A (en) | 2019-02-22 |
ES2807509T3 (es) | 2021-02-23 |
IN2015DN02511A (ja) | 2015-09-11 |
CN104736737A (zh) | 2015-06-24 |
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