JP7498801B2 - 溶融亜鉛アルミニウムマグネシウムめっき鋼板及びその製造方法 - Google Patents
溶融亜鉛アルミニウムマグネシウムめっき鋼板及びその製造方法 Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims description 188
- 239000010959 steel Substances 0.000 title claims description 188
- -1 zinc aluminum magnesium Chemical compound 0.000 title claims description 53
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 238000007747 plating Methods 0.000 claims description 157
- 229910052782 aluminium Inorganic materials 0.000 claims description 80
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 62
- 230000007797 corrosion Effects 0.000 claims description 62
- 238000005260 corrosion Methods 0.000 claims description 62
- 239000011777 magnesium Substances 0.000 claims description 59
- 229910052749 magnesium Inorganic materials 0.000 claims description 56
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 55
- 239000011701 zinc Substances 0.000 claims description 41
- 229910052725 zinc Inorganic materials 0.000 claims description 33
- 238000001816 cooling Methods 0.000 claims description 31
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 28
- 239000012535 impurity Substances 0.000 claims description 20
- 239000000126 substance Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- 239000011575 calcium Substances 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 229910052791 calcium Inorganic materials 0.000 claims description 5
- 230000003746 surface roughness Effects 0.000 claims description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 45
- 150000001875 compounds Chemical class 0.000 description 16
- 239000007788 liquid Substances 0.000 description 16
- 229910001425 magnesium ion Inorganic materials 0.000 description 14
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 13
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 12
- 239000010410 layer Substances 0.000 description 12
- 238000012360 testing method Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 5
- 239000001095 magnesium carbonate Substances 0.000 description 5
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 4
- 229910018137 Al-Zn Inorganic materials 0.000 description 3
- 229910018573 Al—Zn Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 210000001787 dendrite Anatomy 0.000 description 3
- 230000005496 eutectics Effects 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- 229910000861 Mg alloy Inorganic materials 0.000 description 2
- 229910019440 Mg(OH) Inorganic materials 0.000 description 2
- GANNOFFDYMSBSZ-UHFFFAOYSA-N [AlH3].[Mg] Chemical compound [AlH3].[Mg] GANNOFFDYMSBSZ-UHFFFAOYSA-N 0.000 description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229940031958 magnesium carbonate hydroxide Drugs 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- UOURRHZRLGCVDA-UHFFFAOYSA-D pentazinc;dicarbonate;hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[O-]C([O-])=O.[O-]C([O-])=O UOURRHZRLGCVDA-UHFFFAOYSA-D 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000011592 zinc chloride Substances 0.000 description 2
- 235000005074 zinc chloride Nutrition 0.000 description 2
- 229910018626 Al(OH) Inorganic materials 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000010349 cathodic reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 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
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 1
- 229940007718 zinc hydroxide Drugs 0.000 description 1
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 1
Classifications
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
- C22C18/04—Alloys based on zinc with aluminium as the next major constituent
-
- 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
- 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
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Thermal Sciences (AREA)
- Coating With Molten Metal (AREA)
Description
本発明は、2020年6月8日に、中国に出願された出願番号202010513855X、発明名称「優れた切欠耐食性を有する溶融亜鉛アルミニウムマグネシウムめっき鋼板及びその製造方法」に基づき優先権を主張し、その内容全体を参照により本願に援用する。
そこで、切欠部に耐食性を有する溶融亜鉛アルミニウムマグネシウムめっき鋼板を開発することが急務の技術課題となっている。
Claims (4)
- 切欠耐食性を有する溶融亜鉛アルミニウムマグネシウムめっき鋼板の製造方法であって、前記溶融亜鉛アルミニウムマグネシウムめっき鋼板は鋼板とめっきを含み、
前記めっきの化学成分の質量分率が、アルミニウム2~12%、マグネシウム1~4%、カルシウム0.01%~0.1%、残部亜鉛、及び不可避不純物となり、前記アルミニウムの質量分率が前記マグネシウムの質量分率の2~3倍であり、
前記めっきの厚みが、前記鋼板の厚みの5‰以上であり、
前記製造方法は、
前記めっきの化学成分を用いてめっき液を作成する工程と、
前記めっき液を加熱し、温度が前記めっき液の融点以上且つ500℃以下に制御された予熱めっき液を作成する工程と、
取得した前記鋼板は、表面粗さRaが1μm~2μmである鋼板であり、前記鋼板を前記予熱めっき液に浸漬させ、めっきされた鋼板を取得する工程と
前記めっきされた鋼板を冷却し、切欠耐食性を有する溶融亜鉛アルミニウムマグネシウムめっき鋼板を作成する工程とを含み、
前記めっきされた鋼板を冷却する工程は、前記めっきされた鋼板の温度はめっき浴の温度と360℃との間にある場合、0<冷却速度≦1℃/sに制御された第1冷却速度で冷却を行い、前記めっきされた鋼板の温度は360℃と300℃との間にある場合、5℃/s以上の第2冷却速度で冷却を行う
ことを特徴とする、切欠耐食性を有する溶融亜鉛アルミニウムマグネシウムめっき鋼板の製造方法。 - 前記カルシウムの質量分率が0.01%である場合、めっきのマグネシウム及びアルミニウムの質量分率が鋼板の厚みに応じて制御され、具体的に、
0.5mm≦鋼板の厚み≦2.5mmの場合、前記めっきの化学成分の質量分率が、アルミニウム2%~12%、マグネシウム1%~4%、残部亜鉛及び不可避不純物となり、
2.5mm<鋼板の厚み≦4mmの場合、前記めっきの化学成分の質量分率が、アルミニウム2.5%~12%、マグネシウム1.2%~4%、残部亜鉛及び不可避不純物となり、
4mm<鋼板の厚み≦5mmの場合、前記めっきの化学成分の質量分率が、アルミニウム3.8%~12%、マグネシウム1.8%~4%、残部亜鉛及び不可避不純物となり、
5mm<鋼板の厚み≦6mmの場合、前記めっきの化学成分の質量分率が、アルミニウム5~12%、マグネシウム2.5~4%、残部亜鉛及び不可避不純物となる、請求項1に記載の製造方法。 - 前記鋼板を前記めっき液に浸漬させめっき浴を行う前に、前記鋼板を、前記予熱めっき液の温度±10℃の範囲の鋼板予熱温度に予熱する、請求項1に記載の製造方法。
- 前記鋼板を前記めっき液に浸漬させめっき浴を行う前に、前記鋼板を鋼板の厚みに応じて制御される鋼板予熱温度に予熱し、具体的に、
0.5mm≦鋼板の厚み≦2mmの場合、前記予熱めっき液の温度≦鋼板予熱温度≦前記予熱めっき液の温度+10℃となり、
2mm<鋼板の厚み≦4mmの場合、前記予熱めっき液の温度-5℃≦鋼板予熱温度≦予熱めっき液の温度となり、
4mm<鋼板の厚み≦6mmの場合、前記予熱めっき液の温度-10℃≦鋼板予熱温度≦予熱めっき液の温度-5℃となる、請求項1に記載の製造方法。
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CN202010513855.X | 2020-06-08 | ||
CN202010513855.XA CN111534777B (zh) | 2020-06-08 | 2020-06-08 | 一种具有切口耐蚀性的热浸镀锌铝镁镀层钢板及其制备方法 |
PCT/CN2020/121167 WO2021248765A1 (zh) | 2020-06-08 | 2020-10-15 | 一种热浸镀锌铝镁镀层钢板及其制造方法 |
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JP2023528640A JP2023528640A (ja) | 2023-07-05 |
JP7498801B2 true JP7498801B2 (ja) | 2024-06-12 |
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JP (1) | JP7498801B2 (ja) |
KR (1) | KR20230021116A (ja) |
CN (1) | CN111534777B (ja) |
WO (1) | WO2021248765A1 (ja) |
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CN111534777B (zh) * | 2020-06-08 | 2021-11-19 | 首钢集团有限公司 | 一种具有切口耐蚀性的热浸镀锌铝镁镀层钢板及其制备方法 |
CN112080746B (zh) * | 2020-08-31 | 2022-10-21 | 首钢集团有限公司 | 一种锌铝镁镀层钢及其制备方法 |
CN112680684B (zh) * | 2020-11-23 | 2023-02-07 | 新冶高科技集团有限公司 | 一种热浸镀锌铝镁合金镀层及其制备方法 |
CN113025936A (zh) * | 2021-02-07 | 2021-06-25 | 首钢集团有限公司 | 一种高耐蚀热浸镀锌铝镁镀层钢板及其制造方法 |
CN113025938B (zh) * | 2021-02-07 | 2023-01-31 | 首钢集团有限公司 | 一种具有优异膜下耐蚀性的镀锌钢板及其制备方法 |
CN113512691B (zh) * | 2021-03-11 | 2023-05-09 | 首钢集团有限公司 | 一种锌铝镁镀层钢及其制备方法 |
CN113252542B (zh) * | 2021-04-16 | 2022-09-09 | 首钢集团有限公司 | 一种镀层钢板断口耐蚀性的评价方法 |
CN113355621B (zh) * | 2021-04-29 | 2022-07-15 | 首钢京唐钢铁联合有限责任公司 | 一种提高锌铝镁板表面鲜映性的方法 |
CN114058996B (zh) * | 2021-10-19 | 2024-02-13 | 首钢集团有限公司 | 一种易脱脂的镀层钢板及其制备方法和涂漆钢板 |
CN114369783B (zh) * | 2021-12-10 | 2024-04-09 | 首钢集团有限公司 | 一种热浸镀锌镀层钢板及其制备方法 |
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JP2023528640A (ja) | 2023-07-05 |
KR20230021116A (ko) | 2023-02-13 |
WO2021248765A1 (zh) | 2021-12-16 |
EP4163411A4 (en) | 2023-12-20 |
EP4163411A1 (en) | 2023-04-12 |
CN111534777B (zh) | 2021-11-19 |
CN111534777A (zh) | 2020-08-14 |
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