CN101027422A - 具有发丝纹外观的高耐蚀性镀Zn系合金的钢材 - Google Patents
具有发丝纹外观的高耐蚀性镀Zn系合金的钢材 Download PDFInfo
- Publication number
- CN101027422A CN101027422A CNA2005800326698A CN200580032669A CN101027422A CN 101027422 A CN101027422 A CN 101027422A CN A2005800326698 A CNA2005800326698 A CN A2005800326698A CN 200580032669 A CN200580032669 A CN 200580032669A CN 101027422 A CN101027422 A CN 101027422A
- Authority
- CN
- China
- Prior art keywords
- hair line
- coating
- outward appearance
- plated steel
- corrosion resistant
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 64
- 230000007797 corrosion Effects 0.000 title claims abstract description 56
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 53
- 239000010959 steel Substances 0.000 title claims abstract description 53
- 229910001297 Zn alloy Inorganic materials 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 title abstract description 92
- 238000007747 plating Methods 0.000 claims abstract description 36
- 230000003746 surface roughness Effects 0.000 claims abstract description 26
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims description 73
- 239000011248 coating agent Substances 0.000 claims description 71
- 238000012545 processing Methods 0.000 claims description 57
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims description 27
- 230000005496 eutectics Effects 0.000 claims description 25
- 229910052725 zinc Inorganic materials 0.000 claims description 13
- 229910045601 alloy Inorganic materials 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 20
- 229910052749 magnesium Inorganic materials 0.000 abstract description 8
- 239000002344 surface layer Substances 0.000 abstract 1
- 239000011701 zinc Substances 0.000 description 42
- 150000003839 salts Chemical class 0.000 description 32
- 239000011777 magnesium Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 22
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 19
- 239000010935 stainless steel Substances 0.000 description 16
- 229910001220 stainless steel Inorganic materials 0.000 description 16
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 15
- 229920000180 alkyd Polymers 0.000 description 15
- 230000000694 effects Effects 0.000 description 15
- 229920000728 polyester Polymers 0.000 description 14
- 241001163841 Albugo ipomoeae-panduratae Species 0.000 description 12
- 239000011247 coating layer Substances 0.000 description 11
- 239000003973 paint Substances 0.000 description 11
- 229910001335 Galvanized steel Inorganic materials 0.000 description 9
- 239000008397 galvanized steel Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 6
- 238000000227 grinding Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000012298 atmosphere Substances 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000000137 annealing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000001000 micrograph Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- -1 buildings Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005480 shot peening Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000001976 improved effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000007761 roller coating Methods 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910018134 Al-Mg Inorganic materials 0.000 description 1
- 229910018467 Al—Mg Inorganic materials 0.000 description 1
- 229910018464 Al—Mg—Si Inorganic materials 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- 229910001020 Au alloy Inorganic materials 0.000 description 1
- WRAGBEWQGHCDDU-UHFFFAOYSA-M C([O-])([O-])=O.[NH4+].[Zr+] Chemical compound C([O-])([O-])=O.[NH4+].[Zr+] WRAGBEWQGHCDDU-UHFFFAOYSA-M 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 229910052774 Proactinium Inorganic materials 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 229910004349 Ti-Al Inorganic materials 0.000 description 1
- 229910010038 TiAl Inorganic materials 0.000 description 1
- 229910004692 Ti—Al Inorganic materials 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
Images
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
- 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
Abstract
Description
No. | 条件 | Ra(μm) | PPI | Ra的比C/L | PPI的比C/L | 评价 | |
1 | 0.8tHL#150 | L | 0.65 | 48.2 | 2.47 | 7.10 | ○ |
C | 1.61 | 342.4 | |||||
2 | 0.8tHL#80 | L | 0.65 | 57.0 | 2.14 | 3.76 | ○ |
C | 1.39 | 214.6 | |||||
3 | 0.8t喷丸#80 | L | 1.36 | 245.8 | 1.04 | 6.94 | × |
C | 1.42 | 232.0 | |||||
4 | 0.8tHL#600 | L | 0.08 | 1.8 | 1.88 | 25.0 | △ |
C | 0.15 | 45 | |||||
5 | 1.6tHL#150 | L | 0.73 | 55.0 | 2.21 | 5.72 | ○ |
C | 1.61 | 315.2 | |||||
6 | 0.8t未研磨 | L | 0.93 | 70.0 | 0.71 | 1.21 | × |
C | 0.66 | 85.8 | |||||
7 | 0.8t未研磨 | L | 0.56 | 79.2 | 0.98 | 0.92 | × |
C | 79.2 | 72.8 |
No. | 镀层组成 | Ra(μm) | PPI | Ra的比C/L | PPI的比C/L | 发丝纹外观评价 | 打磨器的渣滓堵塞评价 | 耐蚀性SST240小时后的外观 | 备注 | |
1 | Zn-1%Al-0.1%Mg | L | 0.40 | 50 | 3.25 | 3.20 | ○ | ○ | ○ | 本发明材料 |
C | 1.30 | 160 | ||||||||
2 | Zn-1%Al-1%Mg | L | 0.42 | 53 | 3.45 | 3.11 | ○ | ○ | ○ | 本发明材料 |
C | 1.45 | 165 | ||||||||
3 | Zn-6%Al-1%Mg | L | 0.51 | 33 | 2.82 | 5.30 | ○ | ○ | ○ | 本发明材料 |
C | 1.44 | 175 | ||||||||
4 | Zn-6%Al-3%Mg | L | 0.36 | 45 | 4.89 | 4.09 | ○ | ○ | ○ | 本发明材料 |
C | 1.76 | 184 | ||||||||
5 | Zn-6%Al-10%Mg | L | 0.66 | 56 | 2.86 | 3.39 | ○ | ○ | ○ | 本发明材料 |
C | 1.89 | 190 | ||||||||
6 | Zn-11%Al-0.1%Mg | L | 0.46 | 52 | 3.22 | 3.25 | ○ | ○ | ○ | 本发明材料 |
C | 1.48 | 169 | ||||||||
7 | Zn-11%Al-2%Mg | L | 0.64 | 49 | 2.58 | 7.04 | ○ | ○ | ○ | 本发明材料 |
C | 1.65 | 345 | ||||||||
8 | Zn-11%Al-3%Mg | L | 0.61 | 63 | 2.82 | 5.63 | ○ | ○ | ○ | 本发明材料 |
C | 1.72 | 355 | ||||||||
9 | Zn-11%Al-5%Mg | L | 0.59 | 69 | 3.19 | 4.72 | ○ | ○ | ○ | 本发明材料 |
C | 1.88 | 326 | ||||||||
10 | Zn-11%Al-10%Mg | L | 0.72 | 71 | 2.76 | 4.07 | ○ | ○ | ○ | 本发明材料 |
C | 1.99 | 289 | ||||||||
11 | Zn-11%Al-3%Mg-0.0001%Ti | L | 0.71 | 56 | 2.62 | 5.30 | ○ | ○ | ○ | 本发明材料 |
C | 1.86 | 297 |
12 | Zn-11%Al-3%Mg-0.01%Ti | L | 0.79 | 63 | 2.48 | 4.51 | ○ | ○ | ○ | 本发明材料 |
C | 1.96 | 284 | ||||||||
13 | Zn-11%Al-3%Mg-0.1%Ti | L | 0.72 | 45 | 2.57 | 8.13 | ○ | ○ | ○ | 本发明材料 |
C | 1.85 | 366 | ||||||||
14 | Zn-11%Al-3%Mg-0.0001%B | L | 0.56 | 88 | 3.55 | 4.39 | ○ | ○ | ○ | 本发明材料 |
C | 1.99 | 386 | ||||||||
15 | Zn-11%Al-3%Mg-0.01%B | L | 0.54 | 56 | 3.43 | 6.09 | ○ | ○ | ○ | 本发明材料 |
C | 1.85 | 341 | ||||||||
16 | Zn-11%Al-3%Mg-0.1%B | L | 0.55 | 39 | 3.25 | 8.36 | ○ | ○ | ○ | 本发明材料 |
C | 1.79 | 326 | ||||||||
17 | Zn-11%Al-3%Mg-0.01%Ti-0.01%B | L | 0.10 | 45 | 22.50 | 8.13 | ○ | ○ | ○ | 本发明材料 |
C | 2.25 | 366 | ||||||||
18 | Zn-0.5%Al | L | 0.45 | 56 | 2.18 | 1.80 | △ | × | × | 比较材料 |
C | 0.98 | 101 | ||||||||
19 | Zn-0.5%Al-0.5%Mg | L | 0.39 | 51 | 2.85 | 1.90 | △ | × | × | 比较材料 |
C | 1.11 | 97 | ||||||||
20 | Zn-65%Al-11%Mg | L | 1.35 | 120 | 1.93 | 1.80 | △ | ○ | × | 比较材料 |
C | 2.61 | 216 |
No. | 镀层组成 | Zn/Al二元共晶体积占有率vol% | Zn/Al/Zn2Mg三元共晶体积占有率vol% | 两者的相的合计 | 发丝纹外观评价 | 打磨器的渣滓堵塞评价 | 备注 |
1 | Zn-5Al-3Mg | 1 | 49 | 50 | ○ | ○ | 本发明材料 |
2 | Zn-7Al-3Mg | 10 | 45 | 55 | ○ | ○ | 本发明材料 |
3 | Zn-45Al-2Mg | 68 | 25 | 93 | ○ | ○ | 本发明材料 |
4 | Zn-55Al-1.5Mg | 80 | 13 | 93 | ○ | ○ | 本发明材料 |
5 | Zn-11Al-3.3Mg | 35 | 56 | 91 | ○ | ○ | 本发明材料 |
6 | Zn-6Al-0.05Mg | 25 | 1 | 26 | × | × | 比较材料 |
7 | Zn-0.5Al | 0 | 0 | 0 | × | × | 比较材料 |
No. | 镀层组成 | 耐黑变处理 | 前处理 | 附着量mg/m2 | 涂装种类 | 膜厚μm |
1 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | ||
2 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 20 | ||
3 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 50 | ||
4 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 200 | ||
5 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 三聚氰胺醇酸 | 0.5 |
6 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 三聚氰胺醇酸 | 2 |
7 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 三聚氰胺醇酸 | 3 |
8 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 三聚氰胺醇酸 | 5 |
9 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 三聚氰胺醇酸 | 25 |
10 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 三聚氰胺醇酸 | 100 |
11 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 聚酯 | 0.5 |
12 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 聚酯 | 2 |
13 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 聚酯 | 3 |
14 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 聚酯 | 5 |
15 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 聚酯 | 25 |
16 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 聚酯 | 100 |
17 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 丙烯酸系 | 0.5 |
18 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 丙烯酸系 | 2 |
19 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 丙烯酸系 | 3 |
20 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 丙烯酸系 | 5 |
21 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 丙烯酸系 | 25 |
22 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 丙烯酸系 | 100 |
23 | Zn-11Al-3Mg-0.2Si | 有 | 铬酸盐 | 10 | 丙烯酸系 | 100 |
24 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | ||
25 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 20 | ||
26 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 50 | ||
27 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 1000 | ||
28 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 三聚氰胺醇酸 | 0.5 |
29 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 三聚氰胺醇酸 | 2 |
30 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 三聚氰胺醇酸 | 3 |
31 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 三聚氰胺醇酸 | 5 |
32 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 三聚氰胺醇酸 | 25 |
33 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 三聚氰胺醇酸 | 100 |
34 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 聚酯 | 0.5 |
35 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 聚酯 | 2 |
36 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 聚酯 | 3 |
37 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 聚酯 | 5 |
38 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 聚酯 | 25 |
39 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 聚酯 | 100 |
40 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 丙烯酸系 | 0.5 |
41 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 丙烯酸系 | 2 |
42 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 丙烯酸系 | 3 |
43 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 丙烯酸系 | 5 |
44 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 丙烯酸系 | 25 |
45 | Zn-11Al-3Mg-0.2Si | 无 | 非铬酸盐 | 10 | 丙烯酸系 | 100 |
46 | Zn-11Al-3Mg-0.2Si | 有 | 非铬酸盐 | 10 | 丙烯酸系 | 100 |
47 | Zn-11Al-3Mg-0.2Si | 无 | 无 | 无 | ||
48 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 0.5 | 无 | |
49 | Zn-11Al-3Mg-0.2Si | 无 | 铬酸盐 | 10 | 丙烯酸系 | 0.4 |
No. | 耐蚀性 | 黑变 | 备注 | |
平面部分 | 交叉切划部 | |||
1 | ○ | ○ | △ | 本发明材料 |
2 | ○ | ○ | △ | 本发明材料 |
3 | ○ | ○ | △ | 本发明材料 |
4 | ○ | ○ | △ | 本发明材料 |
5 | ○ | ○ | △ | 本发明材料 |
6 | ○ | ○ | △ | 本发明材料 |
7 | ○ | ○ | △ | 本发明材料 |
8 | ○ | ○ | △ | 本发明材料 |
9 | ○ | ○ | △ | 本发明材料 |
10 | ○ | ○ | △ | 本发明材料 |
11 | ○ | ○ | △ | 本发明材料 |
12 | ○ | ○ | △ | 本发明材料 |
13 | ○ | ○ | △ | 本发明材料 |
14 | ○ | ○ | △ | 本发明材料 |
15 | ○ | ○ | △ | 本发明材料 |
16 | ○ | ○ | △ | 本发明材料 |
17 | ○ | ○ | △ | 本发明材料 |
18 | ○ | ○ | △ | 本发明材料 |
19 | ○ | ○ | △ | 本发明材料 |
20 | ○ | ○ | △ | 本发明材料 |
21 | ○ | ○ | △ | 本发明材料 |
22 | ○ | ○ | △ | 本发明材料 |
23 | ○ | ○ | ○ | 本发明材料 |
24 | ○ | ○ | △ | 本发明材料 |
25 | ○ | ○ | △ | 本发明材料 |
26 | ○ | ○ | △ | 本发明材料 |
27 | ○ | ○ | △ | 本发明材料 |
28 | ○ | ○ | △ | 本发明材料 |
29 | ○ | ○ | △ | 本发明材料 |
30 | ○ | ○ | △ | 本发明材料 |
31 | ○ | ○ | △ | 本发明材料 |
32 | ○ | ○ | △ | 本发明材料 |
33 | ○ | ○ | △ | 本发明材料 |
34 | ○ | ○ | △ | 本发明材料 |
35 | ○ | ○ | △ | 本发明材料 |
36 | ○ | ○ | △ | 本发明材料 |
37 | ○ | ○ | △ | 本发明材料 |
38 | ○ | ○ | △ | 本发明材料 |
39 | ○ | ○ | △ | 本发明材料 |
40 | ○ | ○ | △ | 本发明材料 |
41 | ○ | ○ | △ | 本发明材料 |
42 | ○ | ○ | △ | 本发明材料 |
43 | ○ | ○ | △ | 本发明材料 |
44 | ○ | ○ | △ | 本发明材料 |
45 | ○ | ○ | △ | 本发明材料 |
46 | ○ | ○ | ○ | 本发明材料 |
47 | × | × | 比较材料 | |
48 | × | × | 比较材料 | |
49 | ○ | × | △ | 比较材料 |
Claims (10)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP282443/2004 | 2004-09-28 | ||
JP2004282443 | 2004-09-28 | ||
JP031542/2005 | 2005-02-08 | ||
JP2005031542A JP4546848B2 (ja) | 2004-09-28 | 2005-02-08 | ヘアライン外観を有する高耐食性Zn系合金めっき鋼材 |
PCT/JP2005/006975 WO2006035527A1 (ja) | 2004-09-28 | 2005-04-04 | ヘアライン外観を有する高耐食性Zn系合金めっき鋼材 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101027422A true CN101027422A (zh) | 2007-08-29 |
CN101027422B CN101027422B (zh) | 2010-12-29 |
Family
ID=36118679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800326698A Active CN101027422B (zh) | 2004-09-28 | 2005-04-04 | 具有发丝纹外观的高耐蚀性镀Zn系合金的钢材 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4546848B2 (zh) |
KR (1) | KR100881777B1 (zh) |
CN (1) | CN101027422B (zh) |
WO (1) | WO2006035527A1 (zh) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102971444A (zh) * | 2010-06-21 | 2013-03-13 | 新日铁住金株式会社 | 耐加热黑变性优异的热浸镀Al钢板及其制造方法 |
CN101970725B (zh) * | 2008-02-15 | 2013-03-27 | 新日铁住金株式会社 | 具有薄膜一次防锈被覆层的表面导电性优良的锌系镀覆钢板及其制造方法 |
CN103733321A (zh) * | 2011-07-28 | 2014-04-16 | 日产自动车株式会社 | 半导体装置的制造方法及半导体装置 |
CN104334765A (zh) * | 2012-05-23 | 2015-02-04 | 新日铁住金株式会社 | 具有拉丝外观的Al 系合金镀覆钢材 |
CN105437653A (zh) * | 2014-09-26 | 2016-03-30 | 鞍钢股份有限公司 | 一种超厚热镀锌拉丝镀层钢板及其制造方法 |
CN105500822A (zh) * | 2014-09-26 | 2016-04-20 | 鞍钢股份有限公司 | 一种锌铝镁拉丝镀层钢板及其生产方法 |
CN103733321B (zh) * | 2011-07-28 | 2016-11-30 | 日产自动车株式会社 | 半导体装置的制造方法及半导体装置 |
TWI613323B (zh) * | 2013-12-03 | 2018-02-01 | 日新製鋼股份有限公司 | 熔融鋅合金鍍覆鋼板及其製造方法 |
CN108441796A (zh) * | 2018-04-18 | 2018-08-24 | 江苏克罗德科技有限公司 | 一种热镀锌铝镁合金钢板及其生产工艺 |
CN110268100A (zh) * | 2017-10-12 | 2019-09-20 | 日本制铁株式会社 | 锌系电镀层钢板 |
CN110770018A (zh) * | 2017-06-16 | 2020-02-07 | 日本制铁株式会社 | 镀敷钢材 |
CN113195796A (zh) * | 2018-12-19 | 2021-07-30 | Posco公司 | 表面外观优异的电镀钢板及其制造方法 |
CN113825640A (zh) * | 2019-05-24 | 2021-12-21 | 日本制铁株式会社 | 镀敷钢板 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4757608B2 (ja) * | 2005-11-09 | 2011-08-24 | 新日本製鐵株式会社 | Zn系合金めっき鋼材 |
JP4704956B2 (ja) * | 2006-05-24 | 2011-06-22 | 株式会社神戸製鋼所 | 耐白錆性に優れたノンクロメート被覆溶融亜鉛めっき鋼板 |
NZ575788A (en) | 2006-08-30 | 2012-03-30 | Bluescope Steel Ltd | Steel strip coated with aluminium, zinc, silicon alloy |
US7699686B2 (en) * | 2006-11-03 | 2010-04-20 | Severstal Sparrows Point, Llc | Method for polishing and aluminum-zinc hot-dip coating |
JP5101249B2 (ja) * | 2006-11-10 | 2012-12-19 | Jfe鋼板株式会社 | 溶融Zn−Al系合金めっき鋼板およびその製造方法 |
KR200445926Y1 (ko) * | 2007-09-10 | 2009-09-10 | 유니온스틸 주식회사 | 헤어라인 칼라강판 |
US9574093B2 (en) | 2007-09-28 | 2017-02-21 | Ppg Industries Ohio, Inc. | Methods for coating a metal substrate and related coated metal substrates |
JP5573195B2 (ja) * | 2010-01-25 | 2014-08-20 | 新日鐵住金株式会社 | 昇温特性に優れた熱間プレス用Alめっき鋼板及びその製造方法 |
US8620033B2 (en) | 2011-06-29 | 2013-12-31 | Wheelabrator Group, Inc. | Surface measurement system and method |
KR101388332B1 (ko) * | 2011-11-30 | 2014-04-24 | 현대제철 주식회사 | 내식성이 우수한 아연합금도금강판 및 그 제조 방법 |
JP5097305B1 (ja) * | 2012-04-25 | 2012-12-12 | 日新製鋼株式会社 | 黒色めっき鋼板 |
WO2013160566A1 (fr) * | 2012-04-25 | 2013-10-31 | Arcelormittal Investigacion Y Desarrollo, S.L. | Procédé de réalisation d'une tôle à revêtements znalmg huilés et tôle correspondante. |
KR101823068B1 (ko) * | 2016-02-11 | 2018-01-30 | 아주스틸 주식회사 | 연마된 스테인레스 스틸 질감을 갖는 컬러강판의 제조방법 및 이에 의해 제조된 컬러강판 |
CN111699282B (zh) | 2018-04-03 | 2023-01-20 | 日本制铁株式会社 | 锌类电镀钢板 |
KR102209546B1 (ko) | 2018-12-19 | 2021-01-29 | 주식회사 포스코 | 광택도 및 표면특성이 우수한 도금강판 및 그 제조방법 |
JP6973683B2 (ja) | 2019-04-17 | 2021-12-01 | 日本製鉄株式会社 | 亜鉛系めっき鋼板 |
JP7260772B2 (ja) * | 2019-05-24 | 2023-04-19 | 日本製鉄株式会社 | 意匠性亜鉛めっき鋼板 |
JP7328542B2 (ja) | 2019-11-29 | 2023-08-17 | 日本製鉄株式会社 | 溶融めっき鋼板 |
CN116997685A (zh) | 2021-03-19 | 2023-11-03 | 日本制铁株式会社 | 带纹理镀覆钢板的制造方法和带纹理镀覆钢板的制造装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3711650A1 (de) * | 1987-04-07 | 1988-10-27 | Norddeutsche Affinerie | Verfahren zum herstellen von nichteisenmetallpulver bzw. ne-metallpulvergemischen |
JP3179401B2 (ja) * | 1996-12-13 | 2001-06-25 | 日新製鋼株式会社 | 耐食性および表面外観の良好な溶融Zn−Al−Mgめっき鋼板およびその製造法 |
DE69730212T2 (de) * | 1996-12-13 | 2005-08-18 | Nisshin Steel Co., Ltd. | HEISSTAUCH Zn-Al-Mg BESCHICHTETES STAHLBLECH MIT HERVORRAGENDEN KORROSIONSEIGENSCHAFTEN UND OBERFLÄCHENAUSSEHEN UND VERFAHREN ZUR HERSTELLUNG |
JP4067222B2 (ja) * | 1999-03-29 | 2008-03-26 | 日新製鋼株式会社 | 耐摩耗性、耐指紋性および意匠性に優れた透明フッ素樹脂被覆ステンレス鋼板 |
JP4555499B2 (ja) * | 2000-04-11 | 2010-09-29 | 新日本製鐵株式会社 | 表面性状に優れた溶融Zn−Al−Mg−Siめっき鋼材とその製造方法 |
JP2004263252A (ja) * | 2003-03-03 | 2004-09-24 | Jfe Steel Kk | 耐白錆性に優れたクロムフリー化成処理鋼板 |
-
2005
- 2005-02-08 JP JP2005031542A patent/JP4546848B2/ja active Active
- 2005-04-04 CN CN2005800326698A patent/CN101027422B/zh active Active
- 2005-04-04 KR KR1020077005960A patent/KR100881777B1/ko active IP Right Grant
- 2005-04-04 WO PCT/JP2005/006975 patent/WO2006035527A1/ja active Application Filing
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101970725B (zh) * | 2008-02-15 | 2013-03-27 | 新日铁住金株式会社 | 具有薄膜一次防锈被覆层的表面导电性优良的锌系镀覆钢板及其制造方法 |
CN102971444A (zh) * | 2010-06-21 | 2013-03-13 | 新日铁住金株式会社 | 耐加热黑变性优异的热浸镀Al钢板及其制造方法 |
CN102971444B (zh) * | 2010-06-21 | 2014-08-27 | 新日铁住金株式会社 | 耐加热黑变性优异的热浸镀Al钢板及其制造方法 |
CN103733321A (zh) * | 2011-07-28 | 2014-04-16 | 日产自动车株式会社 | 半导体装置的制造方法及半导体装置 |
CN103733321B (zh) * | 2011-07-28 | 2016-11-30 | 日产自动车株式会社 | 半导体装置的制造方法及半导体装置 |
CN104334765A (zh) * | 2012-05-23 | 2015-02-04 | 新日铁住金株式会社 | 具有拉丝外观的Al 系合金镀覆钢材 |
CN104334765B (zh) * | 2012-05-23 | 2015-10-07 | 新日铁住金株式会社 | 具有拉丝外观的Al系合金镀覆钢材 |
US10125414B2 (en) | 2013-12-03 | 2018-11-13 | Nisshin Steel Co., Ltd. | Method of producing hot-dip Zn alloy-plated steel sheet |
TWI613323B (zh) * | 2013-12-03 | 2018-02-01 | 日新製鋼股份有限公司 | 熔融鋅合金鍍覆鋼板及其製造方法 |
CN105437653B (zh) * | 2014-09-26 | 2017-09-15 | 鞍钢股份有限公司 | 一种超厚热镀锌拉丝镀层钢板及其制造方法 |
CN105500822B (zh) * | 2014-09-26 | 2017-09-08 | 鞍钢股份有限公司 | 一种锌铝镁拉丝镀层钢板及其生产方法 |
CN105500822A (zh) * | 2014-09-26 | 2016-04-20 | 鞍钢股份有限公司 | 一种锌铝镁拉丝镀层钢板及其生产方法 |
CN105437653A (zh) * | 2014-09-26 | 2016-03-30 | 鞍钢股份有限公司 | 一种超厚热镀锌拉丝镀层钢板及其制造方法 |
CN110770018A (zh) * | 2017-06-16 | 2020-02-07 | 日本制铁株式会社 | 镀敷钢材 |
CN110770018B (zh) * | 2017-06-16 | 2021-03-12 | 日本制铁株式会社 | 镀敷钢材 |
CN110268100A (zh) * | 2017-10-12 | 2019-09-20 | 日本制铁株式会社 | 锌系电镀层钢板 |
CN110268100B (zh) * | 2017-10-12 | 2020-06-12 | 日本制铁株式会社 | 锌系电镀层钢板 |
CN108441796A (zh) * | 2018-04-18 | 2018-08-24 | 江苏克罗德科技有限公司 | 一种热镀锌铝镁合金钢板及其生产工艺 |
CN113195796A (zh) * | 2018-12-19 | 2021-07-30 | Posco公司 | 表面外观优异的电镀钢板及其制造方法 |
CN113825640A (zh) * | 2019-05-24 | 2021-12-21 | 日本制铁株式会社 | 镀敷钢板 |
CN113825640B (zh) * | 2019-05-24 | 2023-09-15 | 日本制铁株式会社 | 镀敷钢板 |
Also Published As
Publication number | Publication date |
---|---|
KR100881777B1 (ko) | 2009-02-09 |
KR20070042578A (ko) | 2007-04-23 |
CN101027422B (zh) | 2010-12-29 |
JP4546848B2 (ja) | 2010-09-22 |
WO2006035527A1 (ja) | 2006-04-06 |
JP2006124824A (ja) | 2006-05-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101027422B (zh) | 具有发丝纹外观的高耐蚀性镀Zn系合金的钢材 | |
JP4757608B2 (ja) | Zn系合金めっき鋼材 | |
JP5522318B2 (ja) | ヘアライン外観を有するAl系合金めっき鋼材 | |
JP5693002B2 (ja) | 防食加工され、特に極めて光沢のある支持体を、このように防食加工された支持体とともに製造する方法 | |
EP2620524B1 (en) | Surface treatment fluid for zinc-plated steel sheet, zinc-plated steel sheet, and manufacturing method for same | |
CN101558182A (zh) | 热镀Zn-Al系合金钢板及其制造方法 | |
JPS6352114B2 (zh) | ||
US20090139872A1 (en) | Method for producing a sheet steel product protected against corrosion | |
CN110770018B (zh) | 镀敷钢材 | |
MX2008013219A (es) | Material de acero galvanizado con zinc revestido con pelicula mixta excelente para resistencia a la corrosion, no susceptible a ennegrecimiento, adhesion de revestimiento y resistencia alcalina. | |
KR101068708B1 (ko) | 인산 아연 피막을 가지는 용융 아연 도금 강판의 제조 방법 | |
JPH0324255A (ja) | 溶融亜鉛めっき熱延鋼板の製造方法 | |
CN100379895C (zh) | 机械镀锌基稀土合金镀层工艺 | |
JP2001348678A (ja) | 耐久性の良好な塗装鋼板 | |
JP4312635B2 (ja) | 耐食性に優れた塗装アルミニウムめっき鋼板 | |
US20230145863A1 (en) | Method for producing hardened steel components with a conditioned zinc anti-corrosive layer | |
CN114929819B (zh) | 表面处理组合物、利用其进行表面处理的三元系热浸镀锌合金钢板及制造该钢板的方法 | |
WO1998000579A1 (fr) | Procede de production de feuilles d'acier chromees et galvanisees a chaud, contenant du plomb et ayant une excellente resistance au noircissement et a la formation de rouille blanche | |
CN104745966B (zh) | 电梯用仿不锈钢面板 | |
CN108291312B (zh) | 热浸镀锌钢板及其制造方法 | |
JP3475908B2 (ja) | 亜鉛系めっき材の耐候性改善方法 | |
KR102443787B1 (ko) | 금속판재용 표면조정제 | |
US20230183832A1 (en) | Method for producing hardened steel components with a conditioned zinc alloy anti-corrosive layer | |
JPH02122056A (ja) | 合金化溶融亜鉛めっき鋼板 | |
JPH04235266A (ja) | 加工性及び耐食性に優れた合金化溶融亜鉛めっき鋼板の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: NIPPON STEEL + SUMITOMO METAL CORPORATION Free format text: FORMER NAME: SHIN NIPPON STEEL LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan, Japan Patentee after: Nippon Steel Corporation Address before: Tokyo, Japan, Japan Patentee before: Nippon Steel Corporation |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan, Japan Patentee after: Nippon Iron & Steel Corporation Address before: Tokyo, Japan, Japan Patentee before: Nippon Steel Corporation |