CN110100037A - 耐腐蚀性和表面质量优异的镀合金钢材及其制造方法 - Google Patents
耐腐蚀性和表面质量优异的镀合金钢材及其制造方法 Download PDFInfo
- Publication number
- CN110100037A CN110100037A CN201780080116.2A CN201780080116A CN110100037A CN 110100037 A CN110100037 A CN 110100037A CN 201780080116 A CN201780080116 A CN 201780080116A CN 110100037 A CN110100037 A CN 110100037A
- Authority
- CN
- China
- Prior art keywords
- steel
- alloy
- corrosion resistance
- coating
- manufacturing
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
-
- 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
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/043—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
-
- 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
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- 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
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
-
- 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
-
- 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
- C23C2/0222—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating in a reactive atmosphere, e.g. oxidising or reducing atmosphere
-
- 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
- C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
- C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
- C23C2/18—Removing excess of molten coatings from elongated material
- C23C2/20—Strips; Plates
-
- 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
- C23C2/261—After-treatment in a gas atmosphere, e.g. inert or reducing atmosphere
-
- 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
-
- 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
- C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
-
- 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
- Y10T428/12—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
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12951—Fe-base component
-
- 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
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12951—Fe-base component
- Y10T428/12972—Containing 0.01-1.7% carbon [i.e., steel]
-
- 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
- Y10T428/12993—Surface feature [e.g., rough, mirror]
Landscapes
- 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)
- Electroplating Methods And Accessories (AREA)
Abstract
本发明涉及一种可用于家电、汽车、建筑材料等的镀合金钢材,更详细地,涉及一种耐腐蚀性和表面质量优异的镀合金钢材。
Description
技术领域
本发明涉及一种可用于家电、汽车、建筑材料等的镀合金钢材,更详细地,涉及一种耐腐蚀性和表面质量优异的镀合金钢材。
背景技术
通过阴极防蚀抑制铁的腐蚀的镀锌法具有优异的防蚀性能及经济性,因此广泛用于制造具有高耐蚀特性的钢材。尤其,与电镀锌钢材相比,将钢材浸渍于熔融锌而形成镀层的热浸镀锌钢材的制造工艺简单,产品价格低廉,因此在汽车、家电产品及建筑材料等所有产业中的需求正在增加。
镀覆有锌的热浸镀锌钢材暴露在腐蚀环境时,具有氧化还原电位低于铁的锌先被腐蚀而抑制钢材的腐蚀的牺牲防蚀(Sacrificial Corrosion Protection)的特性,而且镀层的锌被氧化的同时在钢板表面形成致密的腐蚀产物,使钢材与氧化气氛隔离,从而提升钢材的耐腐蚀性。
但是,产业高度化引起的大气污染及腐蚀环境的恶化正在增加,并且由于对资源及节能的严格的规定,需要开发比现有的镀锌钢材具有更优异的耐腐蚀性的钢材。
作为其中一个部分,对在锌镀浴中添加铝(Al)和镁(Mg)等元素以提升钢板的耐腐蚀性的镀锌合金系钢材的制造技术进行了各种研究。例如,专利文献1中提出了在Zn-Al镀覆组分体系中进一步添加Mg的Zn-Al-Mg系镀锌合金钢材的制造技术。
与以Zn单相进行凝固的通常的镀锌相比,包含Al和Mg的镀锌合金系钢材中共存Zn相、Mg和Zn的合金相、Al相等,这些相(phase)之间的硬度差大,在腐蚀环境中的离子化倾向也不同,因此这些相之间的比例和组合对镀层的机械特性、化学特性产生很大的影响。
(专利文献1)韩国公开专利公报第10-2014-0061669号
发明内容
要解决的技术问题
本发明要解决的技术问题之一在于,提供一种镀层的耐腐蚀性优异且表面质量优异的镀Zn-Al-Mg系合金钢材及其制造方法。
本发明要解决的技术问题并不限定于以上提及的问题,本领域技术人员可以通过以下记载明确理解没有提及的其它问题。
技术方案
本发明的一个实施方式提供一种耐腐蚀性和表面质量优异的镀合金钢材,所述镀合金钢材是包含基材铁和所述基材铁的至少一面上形成的锌合金镀层的镀锌合金钢材,以重量%计,所述锌合金镀层包含:Mg:0.5~2.0%、Al:0.5~2.5%、余量的Zn及不可避免的杂质,以面积分数计,所述锌合金镀层的表面的Zn相的比例为15%以上,所述Zn相的平均直径为30μm以上。
本发明的另一个实施方式提供一种耐腐蚀性和表面质量优异的镀合金钢材的制造方法,其包括以下步骤:准备锌合金镀浴,以重量%计,所述锌合金镀浴包含:Mg:0.5~2.0%、Al:0.5~2.5%、余量的Zn及不可避免的杂质;将基材铁浸渍于所述锌合金镀浴中,以获得镀覆的镀锌合金钢材;对所述镀锌合金钢材以400~8000m3/Hr的流量喷射冷却气体,以冷却至430℃以下的温度,所述冷却气体包含10体积%以下的氧气(O2)及余量的惰性气体;以及对冷却的所述镀锌合金钢材进行精轧。
有益效果
根据本发明获得的热浸镀锌合金系钢材具有优异的耐腐蚀性的同时可以确保优异的表面质量。
附图说明
图1是示出本发明的镀合金钢材的制造工艺的一个实例的模式图。
图2是示出本发明的实施例中腐蚀后涂装剥离的最大宽度与镀层内Mg含量的关系的曲线图。
图3示出本发明的实施例中比较例3的表面的照片。
图4示出本发明的实施例中发明例7的表面的照片。
最佳实施方式
以下,对本发明进行详细的说明。
本发明的镀合金钢材涉及一种包含基材铁和所述基材铁的表面上形成的Zn-Al-Mg系锌合金镀层的镀锌合金钢材。
所述基材铁可以是钢板或钢线材,所述钢板可以是本发明所属技术领域中可以使用的热轧钢板、冷轧钢板等,并不受特别限制。
所述锌合金镀层形成在基材铁的表面上,起到在腐蚀环境下防止基材铁腐蚀的作用,以重量%计,所述锌合金镀层的组分优选包含:镁(Mg):0.5~2.0%、铝(Al):0.5~2.5%、余量的锌(Zn)及不可避免的杂质。
所述Mg对提升镀合金钢材的耐腐蚀性起到非常重要的作用,在腐蚀环境下在镀层的表面形成致密的氢氧化锌系腐蚀产物,因此有效地防止镀合金钢材的腐蚀。本发明中包含0.5重量%以上的Mg,更优选包含0.8重量%以上的Mg,以确保充分的耐腐蚀性效果。但是,Mg的含量过多时,镀浴表面上的Mg氧化性浮渣急剧增加,因此添加微量元素所带来的抗氧化效果被抵消。为了防止所述问题,包含2.0重量%以下的Mg,更优选包含1.7重量%以下的Mg。
所述Al抑制镀浴内氧化镁浮渣的形成,并且与镀浴内的Zn及Mg反应形成Zn-Al-Mg系金属间化合物,从而提升镀覆钢材的耐腐蚀性。为此,包含0.5重量%以上的所述Al,更优选包含0.8重量%以上的Al。但是,所述Al的含量过多时,镀覆钢材的焊接性及磷酸盐处理性变差。为了防止所述问题,包含2.5重量%以下的Al,更优选包含2.0重量%以下的Al。
本发明中,优选地,以面积分数计,所述锌合金镀层表面的Zn相(phase)的比例为15%以上,所述Zn相的平均直径为30μm以上。利用扫描电子显微镜(SEM)观察所述锌合金镀层的表面时,可以区分根据相(phase)的形状及颜色。对应于所述Zn相的部位可以是通过SME观察及EDS等的分析进行分析的Zn相为95%以上的情况。在EDS分析时,由于邻近的相的影响及固溶于Zn相中的少量Al的影响,以95%以上为基准判断。此时,Zn相不是完整的球形,但是具有一定区域,将该区域的长轴和短轴的平均作为Zn相的平均直径。
所述锌合金镀层包含由Zn单相、包含MgZn2相的Mg-Zn合金相和Al相组成的复合相。此时,Zn单相的硬度为150Hv以下,但是Mg-Zn合金相具有300Hv左右的高硬度。另外,Mg为离子化倾向大于Zn的元素,在腐蚀环境下Mg-Zn合金相发生生成腐蚀产物的反应。由于这种原因,镀覆表面存在过度的Mg-Zn合金相时,诱导不均匀的腐蚀产物的生成以及镀层的脆性断裂,因此破坏Mg所带来的耐腐蚀性提升的效果。
即,所述锌合金镀层表面的Zn相优选为15%以上,以在表面稳定地生成初期腐蚀产物。所述Zn相的面积比例越高越有利,因此优选为40%以上,最优选为50%以上。另外,所述Zn相的面积比例为100%也无妨,但是不易完全抑制沿镀层Zn相的界面形成的MgZn2相的形成。
另外,所述锌合金镀层表面的Zn相的平均直径优选为30μm以上。这是因为所述Zn相的表面积越大,越有利于稳定地生成初期腐蚀产物。
本发明的镀锌合金钢材的表面粗糙度(Ra)优选为0.4~2.3。所述表面粗糙度小于0.4时,钢板的表面含有的润滑油不充足,因此不利于加工。另一方面,所述表面粗糙度超过2.3时,除了表面变得更粗糙之外,局部镀层破损或者部分镀层被挤压而使镀层变薄,并且镀层产生裂纹,因此可能会使耐腐蚀性相对降低。
另外,以ISO 2813为基准,在表面测量角度20°下,本发明的镀锌合金钢材的表面光泽度优选为40~120。所述测量角度为20°的理由在于,如同粗糙度,对表面外观产生影响的效果最为敏感。
以下,对本发明的镀锌合金钢材的制造方法进行详细的说明。本发明中包括以下过程:准备锌合金镀浴,浸渍基材铁进行镀覆,然后进行冷却。
首先,准备锌合金镀浴,以重量%计,所述锌合金镀浴包含:Mg:0.5~2.0%、Al:0.5~2.5%、余量的Zn及不可避免的杂质。所述锌合金镀浴的组分理由与上述的锌合金镀层的组分理由没有区别。
将基材铁浸渍于准备的所述锌合金镀浴中,获得附着有锌合金镀层的钢材。
所述锌合金镀浴的温度优选为440~470℃。所述锌合金镀浴的温度小于440℃时,镀浴的流动性降低,影响均匀的镀覆附着量。但是,所述锌合金镀浴的温度超过470℃时,由于镀浴内Mg氧化,镀浴表面的氧化物可能会增加,并且可能会发生由Al及Mg引起的镀浴耐火物的沉淀,因此所述镀浴温度为470℃以下,更优选为465℃以下。
另外,优选地,浸渍于镀浴中的基材铁的表面温度比所述锌合金镀浴的温度高出5~30℃。在表面氧化物的分解和Al富集方面,基材铁的温度高是有利的。尤其,为了使本发明的效果更极大化,优选地,引入到镀浴中的基材铁的表面温度比镀浴温度高出5℃以上,更优选地,比镀浴温度高出10℃以上。但是,引入到镀浴中的基材铁的表面温度过高时,难以控制镀槽的温度,基材铁的成分过度地溶出到镀浴中,因此相对于镀浴温度,基材铁的温度优选不超过30℃,更优选不超过20℃。
另外,所述镀浴中除了均匀的液相之外,还存在以固相混合的浮渣(dross)缺陷。尤其,由于Al及Mg的氧化物和冷却效果,在镀浴表面以MgZn2成分为主要成分的浮渣以浮在镀浴表面的漂浮浮渣形态存在,这种浮渣混入到镀覆钢材的表面时,产生镀层缺陷,并且阻碍形成在镀层与基材铁界面上的Al富集层的形成。因此,为了减少镀浴表面生成的氧化物和漂浮浮渣,优选将镀浴表面上方的气氛控制为3体积%以下(包括0%)的氧气及余量的惰性气体气氛。
另外,外部的冷空气直接接触镀浴表面时,不容易发生如MgZn2的金属间化合物的分解,因此有必要防止镀浴表面与外部的冷空气直接接触。
如上所述,作为控制镀浴表面的气氛并阻断镀浴表面与冷空气的接触的一个具体实施例,可以在引入到镀浴中的基材铁被引出到镀浴外部的位置设置用于稳定空气的盖箱(cover box)。所述盖箱可以形成在基材铁被引出到镀浴外部的位置的镀浴表面上,盖箱的一侧可以连接用于供应惰性气体的供应管。镀浴表面附近形成的空气中的氧气浓度优选为5~10体积%。氧气浓度小于5体积%时,镀浴表面难以形成氧化物,因此Zn及Mg可能会挥发,氧气浓度超过10%时,氧化物可能会变得粗大。
另外,所述基材铁和盖箱之间的相隔距离(d)优选为5~200cm。这是因为相隔距离小于5cm时,基材铁的振动和在狭窄空间中的基材铁的移动引起空气的不稳定,导致镀液飞溅,存在引起镀覆缺陷的风险,相隔距离超过200cm时,难以控制盖箱内部的氧气浓度。
将基材铁浸渍于所述镀浴中进行镀覆,然后调节镀覆附着量后进行冷却。为了确保本发明的锌合金镀层表面的Zn相,冷却工艺是重要的。图1示出本发明的镀锌合金钢材的制造方法的一个实例,参考图1,对本发明的制造方法进行详细的说明。取出浸渍于镀浴2中的基材铁1,利用镀覆附着量控制器3调节镀覆附着量。作为一个实例,对于所述镀覆附着量,可以通过高压气体与表面碰撞来调节附着量,此时高压气体可以是空气,但是优选利用包含90体积%以上的氮气(N2)的气体,以使表面缺陷最小化。
调节所述镀覆附着量之后,使用一个以上的冷却装置(4、5)进行冷却。根据冷却装置构成一个以上的冷却区间,其中,第一次冷却对锌合金镀层的表面特性产生重要的影响。可以判断这与表面的Zn相的晶核(seed)的形成相关。研究结果,通过第一冷却装置4的第一冷却区间之后,表面温度优选为430℃以下。通过第一冷却区间后的表面温度为430℃以下时,镀覆表面上形成预定的Zn相,有助于提升耐腐蚀性。
优选地,所述第一冷却装置4位于距离镀覆附着量控制器3 100cm以内并进行冷却。所述冷却优选通过喷射冷却气体来进行,所述冷却气体由10体积%以下的氧气(O2)和余量的惰性气体组成,此时的流量优选为400~8000m3/Hr。另外,此时的喷射角度优选为以垂直于钢材的方向为基准的上部30°以内、下部80°以内的角度。
所述第一次冷却后,根据需要通过通常的区间冷却装置5(辅助冷却装置)进行冷却以进行后续冷却。辅助冷却装置可以由一个或者两个以上构成。辅助冷却装置的目的在于,在镀层与上部辊接触之前将镀层完全转变为固相。辅助冷却中必须使用过滤器,以免为了抑制表面缺陷而供应的冷却气体中混入灰尘或粉尘。另外,从外部空气引入冷却空气时,优选在外部引入部设置盖子,以免除了灰尘或粉尘之外还混入雨水中的水分。
用于辅助冷却装置的气体可以使用车间内部或者车间外部的空气,以免成本不足和作业空间内氧气的不足。但是,为了提升镀覆表面质量,在辅助冷却装置中也优选降低氧气浓度。优选地,理想情况为利用包含90%以上的氮气的冷却气体。
在不阻碍钢板的移动的范围内,以辅助冷却装置为中心在四个侧面或者上部设置分隔壁,以使冷却气体聚集在钢材表面,由此可以提高冷却效果。
通过冷却完成镀层的凝固后,可以在表面实现粗糙度。实现所述粗糙度的最通常的方法为通过轧制的物理挤压,向轧制的辊表面赋予粗糙度,以在轧制时辊的粗糙度转印到镀层表面。
附图标记的说明
1:基材铁
2:镀浴
3:镀覆附着量控制器
4、5:冷却装置
具体实施方式
以下,对本发明的实施例进行详细的说明。下述实施例仅用于理解本发明,并不限定本发明。
(实施例)
如下表1所示,将具有0.5~2.3mm的厚度的冷轧基材铁试片浸渍于含有Mg:0.5~2.0%、Al:0.5~2.5%的Zn镀浴中进行镀覆,并将镀覆附着量调节至单面镀覆量为35~100g/m2。所述镀覆附着量是利用气体喷嘴喷射气体而向表面施加压力来进行调节。
另外,在控制所述镀覆量的喷嘴上部30cm的位置处,以基材铁的垂直线为基准,向上部30°以内、下部80°的方向,使用冷却喷嘴以每小时420~7800m3的流量喷射以进行冷却。下表1中,冷却气体的角度为上部方向时以正(+)的符号表示,下部方向时以负(-)的符号表示。
镀层凝固后,利用赋予粗糙度的轧辊进行轧制,以向表面赋予粗糙度。
对于如上所述制造的镀锌合金钢材试片,评价表面粗糙度、表面Zn相的比例、光泽度、耐腐蚀性等,将其结果示于表1中。
对于所述表面粗糙度,在轧制方向及垂直方向上进行三次,并以其平均值表示所述表面粗糙度。对于镀层表面特性,以×300倍拍摄3处的显微镜照片,通过图像分析(imageanalyzer)测量Zn相及合金相的面积,以此测量Zn相的比例。测量镀覆表面的金属光泽度,表示为20°角度下的光泽度。
另外,除了通过所述测量设备测量的镀层特性之外,由于表面上局部的氧化物的生成或粗糙度的差异而使光的反射率发生变化,测量可以通过肉眼鉴别的局部群集形态的表面缺陷(以下,微细群集缺陷)。所述微细群集缺陷对镀覆的功能或耐蚀性产生的影响很小,但是该缺陷是视觉上破坏外观的形态的缺陷。缺陷具有面积且其尺寸为肉眼可观察到的尺寸以上,根据经验在多数情况下缺陷的长度为100μm以上。
另外,为了确认试片的涂装后的耐蚀性,在相同的条件下进行磷酸盐处理,然后实施电沉积涂装。涂装的厚度恒定为20μm。利用刀刃切割涂装的表面,然后进行腐蚀实验。此时,使刀刃的深度达到基材铁表面,腐蚀实验根据规定的方法具有各种腐蚀环境、腐蚀循环,无论使用何种腐蚀评价法,本发明的结果都可以获得相似的倾向,因此在本实施例中进行以VDA102-233为基准的循环腐蚀实验(cycle corrosion test)6个循环(cycle),然后在涂装表面的刀刃位置测量涂装层的剥离宽度10次以上,以最大的剥离宽度表示。
[表1]
基于所述表1的结果,将表示涂装耐蚀性的腐蚀后涂装剥离的最大宽度与镀层内Mg含量的关系示于图2中。优选地,涂装剥离宽度与镀层内Mg含量(重量%)的关系满足以下关系式1。
[关系式1]
涂装剥离宽度(mm)<-0.8×镀层的Mg含量(wt%)+3
可以知道满足本发明的条件的发明例1至11中均获得优异的表面质量和涂装后的耐腐蚀性,但是脱离本发明的条件的比较例1至3中,可以知道镀覆表面的Zn相的比例小于15面积%或者Zn相的直径小于30μm,光泽度(20°)为40以下。
另外,图3是观察所述比较例3的表面的照片,图4是观察发明例7的表面的照片。比较图3及图4时,可以明确知道表面的Zn镀覆相的比例和直径的差异。
Claims (11)
1.一种耐腐蚀性和表面质量优异的镀合金钢材,所述镀合金钢材是包含基材铁和所述基材铁的至少一面上形成的锌合金镀层的镀锌合金钢材,
以重量%计,所述锌合金镀层包含:Mg:0.5~2.0%、Al:0.5~2.5%、余量的Zn及不可避免的杂质,
以面积分数计,所述锌合金镀层的表面的Zn相的比例为15%以上,所述Zn相的平均直径为30μm以上。
2.根据权利要求1所述的耐腐蚀性和表面质量优异的镀合金钢材,其中,所述镀锌合金钢材的表面粗糙度(Ra)为0.4~2.3。
3.根据权利要求1所述的耐腐蚀性和表面质量优异的镀合金钢材,其中,以ISO 2813为基准,在表面测量角度20°下,所述镀锌合金钢材的表面光泽度为40~120。
4.根据权利要求1所述的耐腐蚀性和表面质量优异的镀合金钢材,其中,所述镀锌合金钢材的涂装后的涂装剥离宽度满足以下关系式1,
[关系式1]
涂装剥离宽度(mm)<-0.8×镀层的Mg含量(wt%)+3。
5.一种耐腐蚀性和表面质量优异的镀合金钢材的制造方法,其包括以下步骤:
准备锌合金镀浴,以重量%计,所述锌合金镀浴包含:Mg:0.5~2.0%、Al:0.5~2.5%、余量的Zn及不可避免的杂质;
将基材铁浸渍于所述锌合金镀浴中,以获得镀覆的镀锌合金钢材;
对所述镀锌合金钢材以400~8000m3/Hr的流量喷射冷却气体,以冷却至430℃以下的温度,所述冷却气体包含10体积%以下的氧气(O2)及余量的惰性气体;以及
对冷却的所述镀锌合金钢材进行精轧。
6.根据权利要求5所述的耐腐蚀性和表面质量优异的镀合金钢材的制造方法,其中,相对于垂直于钢板的方向,以上部30°以内、下部80°以内的角度喷射所述冷却气体。
7.根据权利要求5所述的耐腐蚀性和表面质量优异的镀合金钢材的制造方法,其中,所述浸渍之后调节镀覆量后在100cm以内的区间进行所述冷却。
8.根据权利要求5所述的耐腐蚀性和表面质量优异的镀合金钢材的制造方法,其中,所述锌合金镀浴的温度为440~470℃,引入的基材铁的温度比所述锌合金镀浴的温度高出5~30℃。
9.根据权利要求5所述的耐腐蚀性和表面质量优异的镀合金钢材的制造方法,其中,所述制造方法还包括以下步骤:
在浸渍之前将所述基材铁在600~850℃的温度下进行热处理。
10.根据权利要求5所述的耐腐蚀性和表面质量优异的镀合金钢材的制造方法,其中,所述制造方法还包括以下步骤:
在所述冷却后进一步进行辅助冷却。
11.根据权利要求10所述的镀合金钢材的制造方法,其中,所述辅助冷却利用包含90体积%以上的氮气的冷却气体进行。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020160177196A KR101879093B1 (ko) | 2016-12-22 | 2016-12-22 | 내부식성 및 표면 품질이 우수한 합금도금강재 및 그 제조방법 |
KR10-2016-0177196 | 2016-12-22 | ||
PCT/KR2017/015331 WO2018117732A1 (ko) | 2016-12-22 | 2017-12-22 | 내부식성 및 표면 품질이 우수한 합금도금강재 및 그 제조방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110100037A true CN110100037A (zh) | 2019-08-06 |
Family
ID=62627003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201780080116.2A Pending CN110100037A (zh) | 2016-12-22 | 2017-12-22 | 耐腐蚀性和表面质量优异的镀合金钢材及其制造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US11396691B2 (zh) |
EP (1) | EP3561137A4 (zh) |
JP (1) | JP2020504237A (zh) |
KR (1) | KR101879093B1 (zh) |
CN (1) | CN110100037A (zh) |
MX (1) | MX2019007489A (zh) |
WO (1) | WO2018117732A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110983224A (zh) * | 2019-12-16 | 2020-04-10 | 首钢集团有限公司 | 一种热镀锌铝镁镀层钢及其制备方法 |
CN113621852A (zh) * | 2021-07-13 | 2021-11-09 | 株洲冶炼集团股份有限公司 | 一种锌铝镁涂镀材料及其制备方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102359203B1 (ko) * | 2018-12-19 | 2022-02-08 | 주식회사 포스코 | 내식성 및 표면 품질이 우수한 아연합금도금강재 및 그 제조방법 |
WO2020130482A1 (ko) * | 2018-12-19 | 2020-06-25 | 주식회사 포스코 | 내식성 및 표면 품질이 우수한 아연합금도금강재 및 그 제조방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030028174A (ko) * | 2001-09-27 | 2003-04-08 | 주식회사 포스코 | 용융아연도금강판 제조방법 |
KR20150052376A (ko) * | 2013-10-30 | 2015-05-14 | 주식회사 포스코 | 내식성이 우수한 용융아연합금 도금강판 및 그 제조방법 |
KR20150074976A (ko) * | 2013-12-24 | 2015-07-02 | 주식회사 포스코 | 절단면 내식성이 우수한 아연-알루미늄-마그네슘 합금도금강판 |
KR101568548B1 (ko) * | 2013-12-25 | 2015-11-11 | 주식회사 포스코 | 표면품질이 우수한 용융도금강판의 제조방법 및 제조장치 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6465114B1 (en) * | 1999-05-24 | 2002-10-15 | Nippon Steel Corporation | -Zn coated steel material, ZN coated steel sheet and painted steel sheet excellent in corrosion resistance, and method of producing the same |
JP3580261B2 (ja) | 2001-03-23 | 2004-10-20 | 住友金属工業株式会社 | 溶融Zn−Al−Mgめっき鋼板およびその製造方法 |
JP4683764B2 (ja) | 2001-05-14 | 2011-05-18 | 日新製鋼株式会社 | 耐食性に優れた溶融Zn−Al−Mg系合金めっき鋼材 |
JP2002348651A (ja) | 2001-05-22 | 2002-12-04 | Nisshin Steel Co Ltd | Mg含有溶融亜鉛基めっき鋼板の製造方法及び製造装置 |
UA84778C2 (ru) * | 2004-06-29 | 2008-11-25 | Корус Сталь Б. В. | Стальная полоса с покрытием из цинкового сплава, нанесенное методом горячего оцинкования, и способ ее производства |
EP3421634A1 (en) | 2007-02-23 | 2019-01-02 | Tata Steel IJmuiden B.V. | Cold rolled and continuously annealed high strength steel strip and method for producing said steel |
WO2010130883A1 (fr) | 2009-05-14 | 2010-11-18 | Arcelormittal Investigacion Y Desarrollo Sl | Procede de fabrication d'une bande metallique revetue presentant un aspect ameliore |
JP2011157579A (ja) * | 2010-01-29 | 2011-08-18 | Nisshin Steel Co Ltd | 粗面化溶融Zn−Al−Mg合金めっき鋼板およびその製造方法、ならびに溶融Zn−Al−Mg合金めっき鋼板と熱可塑性樹脂成形体とが接合された複合体およびその製造方法 |
JP5649181B2 (ja) | 2011-08-09 | 2015-01-07 | Jfeスチール株式会社 | 耐食性に優れた溶融Zn−Al系合金めっき鋼板およびその製造方法 |
KR101528008B1 (ko) | 2012-10-23 | 2015-06-10 | 주식회사 포스코 | 표면품질 및 도금밀착성이 우수한 용융아연도금강판 및 이의 제조방법 |
KR101560933B1 (ko) * | 2013-12-20 | 2015-10-15 | 주식회사 포스코 | 내식성 및 표면외관이 우수한 용융아연합금 도금강판 및 그 제조방법 |
KR101758529B1 (ko) | 2014-12-24 | 2017-07-17 | 주식회사 포스코 | 인산염 처리성과 스폿 용접성이 우수한 아연합금도금강판 및 그 제조방법 |
-
2016
- 2016-12-22 KR KR1020160177196A patent/KR101879093B1/ko active IP Right Grant
-
2017
- 2017-12-22 WO PCT/KR2017/015331 patent/WO2018117732A1/ko unknown
- 2017-12-22 CN CN201780080116.2A patent/CN110100037A/zh active Pending
- 2017-12-22 US US16/471,238 patent/US11396691B2/en active Active
- 2017-12-22 EP EP17885344.6A patent/EP3561137A4/en not_active Withdrawn
- 2017-12-22 JP JP2019533504A patent/JP2020504237A/ja active Pending
- 2017-12-22 MX MX2019007489A patent/MX2019007489A/es unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20030028174A (ko) * | 2001-09-27 | 2003-04-08 | 주식회사 포스코 | 용융아연도금강판 제조방법 |
KR20150052376A (ko) * | 2013-10-30 | 2015-05-14 | 주식회사 포스코 | 내식성이 우수한 용융아연합금 도금강판 및 그 제조방법 |
KR20150074976A (ko) * | 2013-12-24 | 2015-07-02 | 주식회사 포스코 | 절단면 내식성이 우수한 아연-알루미늄-마그네슘 합금도금강판 |
KR101568548B1 (ko) * | 2013-12-25 | 2015-11-11 | 주식회사 포스코 | 표면품질이 우수한 용융도금강판의 제조방법 및 제조장치 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110983224A (zh) * | 2019-12-16 | 2020-04-10 | 首钢集团有限公司 | 一种热镀锌铝镁镀层钢及其制备方法 |
CN110983224B (zh) * | 2019-12-16 | 2021-07-23 | 首钢集团有限公司 | 一种热镀锌铝镁镀层钢及其制备方法 |
CN113621852A (zh) * | 2021-07-13 | 2021-11-09 | 株洲冶炼集团股份有限公司 | 一种锌铝镁涂镀材料及其制备方法 |
CN113621852B (zh) * | 2021-07-13 | 2023-02-17 | 株洲冶炼集团股份有限公司 | 一种锌铝镁涂镀材料及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP3561137A1 (en) | 2019-10-30 |
MX2019007489A (es) | 2019-10-21 |
KR20180073412A (ko) | 2018-07-02 |
US20200377989A1 (en) | 2020-12-03 |
EP3561137A4 (en) | 2020-01-01 |
US11396691B2 (en) | 2022-07-26 |
JP2020504237A (ja) | 2020-02-06 |
WO2018117732A1 (ko) | 2018-06-28 |
KR101879093B1 (ko) | 2018-07-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2979169C (en) | Zn-al-mg coated steel sheet, and method of producing zn-al-mg coated steel sheet | |
CN110100037A (zh) | 耐腐蚀性和表面质量优异的镀合金钢材及其制造方法 | |
CN101180414B (zh) | 镀金属的钢带 | |
CA2592530C (en) | Galvanized steel-sheet without spangle, manufacturing method thereof and device used therefor | |
JPH0321627B2 (zh) | ||
KR20120026548A (ko) | 개선된 외형을 갖는 코팅된 금속 스트립의 제조 방법 | |
KR20120028922A (ko) | 향상된 외형을 갖는 코팅된 금속 스트립의 제조 방법 | |
CN108474093A (zh) | 耐摩擦性和耐白锈性优异的镀覆钢材及其制造方法 | |
CN111527231A (zh) | 耐蚀性和表面平滑性优异的锌合金镀覆钢材及其制造方法 | |
CN110100036A (zh) | 焊接性和冲压加工性优异的热浸镀锌系钢材及其制造方法 | |
AU2014212967A1 (en) | Hot-dip Al-Zn alloy coated steel sheet and method for producing same | |
EP1621645A1 (en) | Steel sheet with hot dip galvanized zinc alloy coating | |
CN105671469B (zh) | 一种热浸镀钢及其制造方法 | |
KR20170024023A (ko) | 용융 아연 도금 강재의 제조 방법 및 용융 아연 도금 강재 | |
JP2009120947A (ja) | 耐食性と溶接性に優れる亜鉛系合金めっき鋼材及び耐食性に優れる塗装鋼材 | |
WO2019054483A1 (ja) | 溶融めっき縞鋼板とその製造方法 | |
CN105670505A (zh) | 镀覆钢板、涂布有组合树脂的钢板及该钢板的制造方法 | |
JP5423215B2 (ja) | 表面処理鋼板およびその製造方法 | |
CN110777316B (zh) | 一种稀土合金热浸镀层钢板及其生产方法 | |
US11505858B2 (en) | Alloy-plated steel material having excellent crack resistance, and method for manufacturing same | |
KR102018015B1 (ko) | 아연 또는 아연합금 코팅된 기판을 위한 건식정위치 내식성 코팅 | |
Fang et al. | Galvanealed coating evolution for hot forming steel | |
KR20160029000A (ko) | 금속 코팅된 강철 스트립 | |
CN110923600B (zh) | 一种具有锌锰镁硅合金热浸镀层的钢板及其生产方法 | |
Bleck et al. | Hot‐dip Coating |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190806 |