EP1857566B1 - Mit einem Korrosionsschutzüberzug versehenes Stahlflachprodukt und Verfahren zu seiner Herstellung - Google Patents
Mit einem Korrosionsschutzüberzug versehenes Stahlflachprodukt und Verfahren zu seiner Herstellung Download PDFInfo
- Publication number
- EP1857566B1 EP1857566B1 EP06113962.2A EP06113962A EP1857566B1 EP 1857566 B1 EP1857566 B1 EP 1857566B1 EP 06113962 A EP06113962 A EP 06113962A EP 1857566 B1 EP1857566 B1 EP 1857566B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coating
- steel
- steel substrate
- temperature
- layer
- 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.)
- Not-in-force
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 68
- 239000010959 steel Substances 0.000 title claims description 68
- 238000005260 corrosion Methods 0.000 title claims description 29
- 230000007797 corrosion Effects 0.000 title claims description 26
- 238000000034 method Methods 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000000576 coating method Methods 0.000 title description 53
- 239000011248 coating agent Substances 0.000 title description 49
- 239000010410 layer Substances 0.000 claims description 43
- 239000000758 substrate Substances 0.000 claims description 33
- 239000011701 zinc Substances 0.000 claims description 20
- 229910052782 aluminium Inorganic materials 0.000 claims description 17
- 229910052725 zinc Inorganic materials 0.000 claims description 13
- 229910052749 magnesium Inorganic materials 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 239000002344 surface layer Substances 0.000 claims description 7
- 238000000137 annealing Methods 0.000 claims description 6
- 239000011253 protective coating Substances 0.000 claims description 5
- 239000012298 atmosphere Substances 0.000 claims description 4
- 229910052745 lead Inorganic materials 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 239000011241 protective layer Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 24
- 239000000155 melt Substances 0.000 description 15
- 238000003466 welding Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 239000011247 coating layer Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000003618 dip coating Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000009533 lab test Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 101000993059 Homo sapiens Hereditary hemochromatosis protein Proteins 0.000 description 2
- 229910003023 Mg-Al Inorganic materials 0.000 description 2
- 229910000742 Microalloyed steel Inorganic materials 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005246 galvanizing Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910009369 Zn Mg Inorganic materials 0.000 description 1
- 229910007570 Zn-Al Inorganic materials 0.000 description 1
- 229910007573 Zn-Mg Inorganic materials 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 238000004210 cathodic protection Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000001336 glow discharge atomic emission spectroscopy Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
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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
- C23C2/06—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
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0224—Two or more thermal pretreatments
-
- 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.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12785—Group IIB metal-base component
- Y10T428/12792—Zn-base component
- Y10T428/12799—Next to Fe-base component [e.g., galvanized]
-
- 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
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
-
- 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
- Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
Definitions
- the invention relates to a method for producing a flat steel product formed from a steel substrate, such as steel strip or sheet, and a zinc-based anticorrosive coating applied to at least one of the sides of the steel substrate.
- metallic coatings are applied, in particular on steel sheets or strips, which are based on zinc or zinc alloys in the majority of applications.
- Such zinc or zinc alloy coatings protect due to their barrier and cathodic protection effect the corresponding coated steel sheet in practical use against corrosion.
- the thickness of the coating required in the prior art for sufficient corrosion resistance poses problems in processing, ie in forming and welding. This applies z. B. when in high-wear highly corrosive flanges to be welded by spot welding. This requirement exists in particular in the field of construction of automobile bodies, in general construction applications or in the construction of housings for building services.
- a metallic protective coating sheet with improved corrosion resistance is from the EP 1 621 645 Al known.
- the one described there Steel sheet is provided with a protective coating by conventional hot-dip galvanizing, containing (in% by weight) 0.3-2.3% Mg, 0.6-2.3% Al, optionally ⁇ 0.2% other active ingredients and balance Zn and unavoidable impurities.
- the steel sheet is passed through a melt bath containing 0.3-2.3% by weight of Mg, 0.5-2.3% by weight of Al, optionally less than 0.2% by weight of others Alloy components and passed as rest Zn and unavoidable impurities.
- a melt bath containing 0.3-2.3% by weight of Mg, 0.5-2.3% by weight of Al, optionally less than 0.2% by weight of others Alloy components and passed as rest Zn and unavoidable impurities.
- the object of the invention was therefore to provide a method for producing a flat steel product, which has an optimum combination of high corrosion resistance and optimized processability and which is particularly suitable for use as a material for automotive body construction, for general construction or for home appliance.
- the invention is based on the recognition that general properties such. As adhesion and also weldability of provided with a corrosion-protective Zn-Mg-Al coating steel sheet or strip decisively depends on the distribution of the aluminum in the coating layer. Thus, it has surprisingly been found that when, as predetermined by the invention, in a near-surface intermediate layer of sufficient thickness according to the invention low Al contents are present, compared to conventionally formed sheets improved weldability is given, although the Al content of the coating on the whole a level is guaranteed by the high corrosion protection. The correspondingly produced according to the invention sheets in the boundary layer at the transition to the steel substrate high Al concentration thereby causes the positive effect of aluminum on the corrosion protection is maintained despite the low proportion of Al in the intermediate layer.
- flat steel products produced according to the invention likewise show a particularly good suitability for phosphating, so that they can be provided with an organic lacquer coating, for example, without any special additional measures.
- Elements from the group Pb, Bi, Cd, Ti, B, Si, Cu, Ni, Co, Cr, Mn, Sn and rare earths can be present up to a total of their contents of 0.8% by weight in the coating produced according to the invention be.
- Pb, Bi and Cd can be used to form a larger crystal structure (zinc flower), Ti, B, Si to improve the formability, Cu, Ni, Co, Cr, Mn to influence the boundary layer reactions, Sn influencing the surface oxidation and rare earths, especially lanthanum and cerium, to improve the flow behavior of the melt.
- the impurities which may be present in a corrosion protection coating according to the invention also include the constituents which, as a result of the hot-dip coating, enter the coating from the steel substrate in quantities which do not affect the properties of the coating.
- the shape of the layer structure desired according to the invention can be directly influenced by a suitable adjustment of the strip inlet and / or bath temperature.
- the process control according to the invention is achieved in that adjacent to the steel substrate Bound layer high Al and Mg contents accumulate, while in the intermediate layer in particular low Al contents are present.
- the difference between the temperature of the strip during immersion and the temperature of the melt bath is of particular importance.
- the inventively minimized presence of Al in the intermediate layer can be set in a safe and targeted manner.
- an advantageous embodiment of the invention provides that the Al content of the intermediate layer is limited to 0.25 wt .-%.
- the layer structure used by the invention then has a particularly positive effect on the weldability and the phosphatability with at the same time still good corrosion protection of the coating, if the thickness of the intermediate layer according to the invention is at least 25% of the total thickness of the anticorrosive coating.
- the information on the structure of the corrosion-coating layer and its individual layers contained herein and in the claims relates to a layer profile determined by a GDOS measurement (glow discharge optical emission spectrometry).
- a GDOS measurement low discharge optical emission spectrometry
- the surface layer is in each case not more than 0.2 .mu.m thick, so that with conventional coating thicknesses of 6 .mu.m and more, the fraction of the surface boundary layer in the total thickness of the coating overlay is approximately 3.5% and wide below it lies.
- the coating has contents of Fe which are more than 0.3% by weight, in particular more than 0.4% by weight or even more than 0.5% by weight.
- the relatively high Fe contents are present in particular in the region of the boundary layer adjacent to the steel substrate.
- a flat steel product obtained according to the invention has Performance characteristics, which are superior to the conventional flat steel products, even if they have high Mg and Al contents in their protective coating.
- the Al content of the anticorrosive coating can be limited to less than 0.6% by weight, in particular less than 0.5% by weight.
- the total thickness of the anticorrosive coating should be at least 5 ⁇ m , in particular at least 7 ⁇ m .
- pad weight distribution of the anticorrosive coating of at least 100 g / m 2 prove to be particularly favorable in terms of its protective effect.
- the weldability is not adversely affected due to the invention prescribed distribution of its Al content.
- the speed with which the steel substrate passes through the melt bath has only a minor influence on the coating result. Therefore, it can be varied in the range of 50 - 200 m / min, for example, in order to achieve the optimum work result at maximum productivity.
- the annealing of the steel strip, which precedes the melt bath, should be carried out under a protective gas atmosphere in order to avoid oxidation of the sheet surface.
- the protective gas atmosphere in a conventional manner contains more than 3.5 vol .-% H 2 and in each case as the radical N 2 .
- the annealing temperature is also in a known manner in the range of 700 - 900 ° C.
- the melt bath maintains its optimum temperature evenly despite the entry of the steel substrate.
- the melt bath itself preferably contains at best traces of iron, since according to the invention the Fe content of the corrosion-coating layer is to be established by alloying in iron originating from the steel substrate. Accordingly, the Fe content of the melt bath is preferably limited to at most 0.1 wt%, more preferably at most 0.07 wt%.
- a steel atmosphere steel strip under a nitrogen atmosphere containing 5% H 2 and having a dew point of -30 ° C ⁇ 2 ° C is annealed for a holding time of 60 s each Service.
- the annealing temperature was 800 ° C at a heating rate of 10 ° C / s.
- the steel strip was quenched at a cooling rate of 5 to 30 ° C / s to a temperature of 470 ° C ⁇ 5 ° C where it was held for 30 seconds. Then the steel strip is with a belt immersion speed of 100 m / min was passed into a melt bath whose bath temperature was 460 ° C ⁇ 5 ° C. The strip inlet temperature of the steel strip was in each case 5 ° C. above the bath temperature of the melt bath.
- a surface boundary layer has formed on the surface of the respective coating whose Al content is high as a result of oxidation.
- the thickness of this surface boundary layer is at most 0.2 ⁇ m and is therefore easily broken in the spot or laser welding, without causing a deterioration in the quality of the welding result.
- the about 2.5 ⁇ m thick intermediate layer to the surface boundary layer includes, whose Al content is below 0.2%, respectively.
- the thickness of the intermediate layer is therefore approximately 36% of the total overlay thickness of the respective anti-corrosion coating of 7 ⁇ m .
- the intermediate layer merges into a boundary layer adjacent to the steel substrate, in which the contents of Al, Mg and Fe have increased significantly compared with the corresponding contents of the intermediate layer.
- the thickness of the superficial oxidation surface boundary layer is max. 0.2 ⁇ m and is based on the determined in a GDOS measurement layer profile in each case in the range of up to 2.7% of the total overlay thicknesses.
- the amount of Al enrichment on the immediate surface is at most about 1 wt .-%. This is followed up to a thickness of at least 25% of the total overlay of the coating, the intermediate layer with a low Al content of not more than 0.25 wt .-% of. In the boundary layer, the Al content rises to 4.5% at the Border to the steel substrate.
- the Mg enrichment on the immediate surface of the coating is significantly greater than the Al enrichment. Mg contents of up to 20% are achieved here.
- the amount of Mg decreases over the intermediate layer and is 0.5 to 2% at a depth of about 25% of the total overlay thickness of the overlay.
- An increase of the Mg content in the direction of the steel substrate then takes place via the boundary layer. At the border to the steel substrate, the Mg content is up to 3.5%.
- Table 1 sample According to the invention? melt bath Layer analysis top Shift analysis bottom al Fe mg al Fe mg Editions weight Thickness al Fe mg Editions weight Thickness % *) % *) g / m 2 ⁇ m % *) g / m 2 ⁇ m E1 YES 0.201 0.011 1,589 1.16 1.06 1.52 41.5 7.0 ne ne ne n.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Coating With Molten Metal (AREA)
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06113962.2A EP1857566B1 (de) | 2006-05-15 | 2006-05-15 | Mit einem Korrosionsschutzüberzug versehenes Stahlflachprodukt und Verfahren zu seiner Herstellung |
PL06113962T PL1857566T3 (pl) | 2006-05-15 | 2006-05-15 | Płaski wyrób stalowy z powłoką chroniącą przed korozją i sposób jego wytwarzania |
ES06113962.2T ES2636442T3 (es) | 2006-05-15 | 2006-05-15 | Producto de acero plano provisto con un revestimiento anticorrosivo y procedimiento para su fabricación |
PCT/EP2007/054711 WO2007132007A1 (de) | 2006-05-15 | 2007-05-15 | Mit einem korrosionsschutzüberzug versehenes stahlflachprodukt und verfahren zu seiner herstellung |
CA2650800A CA2650800C (en) | 2006-05-15 | 2007-05-15 | Flat steel product with a corrosion protection coating and method for its production |
AU2007251550A AU2007251550B2 (en) | 2006-05-15 | 2007-05-15 | Sheet steel product provided with an anticorrosion coating and process for producing it |
CN2007800176280A CN101454473B (zh) | 2006-05-15 | 2007-05-15 | 具有防腐蚀覆层的扁钢产品及其制备方法 |
BRPI0711652-7A BRPI0711652B1 (pt) | 2006-05-15 | 2007-05-15 | Produto de aço plano com um revestimento de proteção contra corrosão e método para sua produção |
US12/300,968 US8481172B2 (en) | 2006-05-15 | 2007-05-15 | Steel sheet product provided with an anticorrosion coating and process for producing it |
JP2009510444A JP5586224B2 (ja) | 2006-05-15 | 2007-05-15 | 防食コーティングを有するフラット鋼生成物並びに防食コーティングを有するフラット鋼生成物の製造方法 |
KR1020087027954A KR101399085B1 (ko) | 2006-05-15 | 2007-05-15 | 부식 방지 코팅층을 구비한 평판형 강재 제품 및 그 제조 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06113962.2A EP1857566B1 (de) | 2006-05-15 | 2006-05-15 | Mit einem Korrosionsschutzüberzug versehenes Stahlflachprodukt und Verfahren zu seiner Herstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1857566A1 EP1857566A1 (de) | 2007-11-21 |
EP1857566B1 true EP1857566B1 (de) | 2017-05-03 |
Family
ID=37075625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06113962.2A Not-in-force EP1857566B1 (de) | 2006-05-15 | 2006-05-15 | Mit einem Korrosionsschutzüberzug versehenes Stahlflachprodukt und Verfahren zu seiner Herstellung |
Country Status (11)
Country | Link |
---|---|
US (1) | US8481172B2 (zh) |
EP (1) | EP1857566B1 (zh) |
JP (1) | JP5586224B2 (zh) |
KR (1) | KR101399085B1 (zh) |
CN (1) | CN101454473B (zh) |
AU (1) | AU2007251550B2 (zh) |
BR (1) | BRPI0711652B1 (zh) |
CA (1) | CA2650800C (zh) |
ES (1) | ES2636442T3 (zh) |
PL (1) | PL1857566T3 (zh) |
WO (1) | WO2007132007A1 (zh) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5160866B2 (ja) * | 2007-11-29 | 2013-03-13 | Jfeスチール株式会社 | 表面処理溶融Zn−Al系合金めっき鋼板 |
EP2290133B1 (de) * | 2009-08-25 | 2012-04-18 | ThyssenKrupp Steel Europe AG | Verfahren zum Herstellen eines mit einem metallischen, vor Korrosion schützenden Überzug versehenen Stahlbauteils und Stahlbauteil |
CN101818316B (zh) * | 2010-05-11 | 2011-12-07 | 昆明理工大学 | 一种热浸镀用锌基多元合金及制备方法 |
DE102010037254B4 (de) | 2010-08-31 | 2012-05-24 | Thyssenkrupp Steel Europe Ag | Verfahren zum Schmelztauchbeschichten eines Stahlflachprodukts |
CN101935815A (zh) * | 2010-09-01 | 2011-01-05 | 中国电力科学研究院 | 一种输电线路紧固件合金镀层及其制备工艺 |
KR20120041544A (ko) * | 2010-10-21 | 2012-05-02 | 주식회사 포스코 | 도금성, 도금밀착성 및 스폿용접성이 우수한 용융아연도금강판 및 그 제조방법 |
WO2012141659A1 (en) * | 2011-04-13 | 2012-10-18 | U.S. STEEL KOŠICE, s.r.o. | Method of production of hot dip galvanized flat steel products with improved corrosion resistance |
DE102011051731B4 (de) | 2011-07-11 | 2013-01-24 | Thyssenkrupp Steel Europe Ag | Verfahren zur Herstellung eines durch Schmelztauchbeschichten mit einer metallischen Schutzschicht versehenen Stahlflachprodukts |
DE102012101018B3 (de) | 2012-02-08 | 2013-03-14 | Thyssenkrupp Nirosta Gmbh | Verfahren zum Schmelztauchbeschichten eines Stahlflachprodukts |
EP2703515A1 (de) | 2012-09-03 | 2014-03-05 | voestalpine Stahl GmbH | Verfahren zum Aufbringen eines Schutzüberzugs auf ein Stahlflachprodukt und Stahlflachprodukt mit einem entsprechenden Schutzüberzug |
DE102013101134B3 (de) | 2013-02-05 | 2014-05-08 | Thyssenkrupp Steel Europe Ag | Metallisches, durch Schmelztauchbeschichten oberflächenveredeltes Flacherzeugnis, vorzugsweise aus Stahl |
ES2851199T3 (es) | 2013-07-03 | 2021-09-03 | Outokumpu Nirosta Gmbh | Procedimiento para recubrir productos planos de acero con una capa protectora metálica |
GB2521363A (en) * | 2013-12-17 | 2015-06-24 | Eaton Ind Netherlands Bv | Method for producing a housing for medium voltage switchgear and such a housing |
KR20170047254A (ko) * | 2014-08-25 | 2017-05-04 | 타타 스틸 이즈무이덴 베.뷔. | 냉간 압연된 고강도 저합금강 |
DE102015101312A1 (de) * | 2015-01-29 | 2016-08-04 | Thyssenkrupp Steel Europe Ag | Verfahren zum Aufbringen eines metallischen Schutzüberzugs auf eine Oberfläche eines Stahlprodukts |
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- 2006-05-15 PL PL06113962T patent/PL1857566T3/pl unknown
- 2006-05-15 ES ES06113962.2T patent/ES2636442T3/es active Active
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2007
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Also Published As
Publication number | Publication date |
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CA2650800A1 (en) | 2007-11-22 |
AU2007251550B2 (en) | 2012-05-03 |
BRPI0711652A2 (pt) | 2011-11-29 |
ES2636442T3 (es) | 2017-10-05 |
EP1857566A1 (de) | 2007-11-21 |
CN101454473B (zh) | 2013-09-18 |
CA2650800C (en) | 2013-12-03 |
AU2007251550A1 (en) | 2007-11-22 |
JP2009537697A (ja) | 2009-10-29 |
US20100024925A1 (en) | 2010-02-04 |
US8481172B2 (en) | 2013-07-09 |
KR101399085B1 (ko) | 2014-05-27 |
BRPI0711652B1 (pt) | 2018-03-06 |
JP5586224B2 (ja) | 2014-09-10 |
CN101454473A (zh) | 2009-06-10 |
PL1857566T3 (pl) | 2017-10-31 |
KR20090007597A (ko) | 2009-01-19 |
WO2007132007A1 (de) | 2007-11-22 |
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