JPH0768607B2 - Method of forming dark copper colored plating on steel - Google Patents
Method of forming dark copper colored plating on steelInfo
- Publication number
- JPH0768607B2 JPH0768607B2 JP62080501A JP8050187A JPH0768607B2 JP H0768607 B2 JPH0768607 B2 JP H0768607B2 JP 62080501 A JP62080501 A JP 62080501A JP 8050187 A JP8050187 A JP 8050187A JP H0768607 B2 JPH0768607 B2 JP H0768607B2
- Authority
- JP
- Japan
- Prior art keywords
- steel
- plating
- dark copper
- colored
- plated
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 32
- 239000010959 steel Substances 0.000 title claims description 32
- 238000007747 plating Methods 0.000 title claims description 25
- 239000010949 copper Substances 0.000 title claims description 18
- 229910052802 copper Inorganic materials 0.000 title claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 6
- 239000011701 zinc Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 10
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000005246 galvanizing Methods 0.000 claims 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 14
- 229910052725 zinc Inorganic materials 0.000 description 12
- 229910001335 Galvanized steel Inorganic materials 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 8
- 239000008397 galvanized steel Substances 0.000 description 8
- 238000004040 coloring Methods 0.000 description 6
- 239000002585 base Substances 0.000 description 5
- 239000011572 manganese Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000001747 exhibiting effect Effects 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- 229910017518 Cu Zn Inorganic materials 0.000 description 1
- 229910017752 Cu-Zn Inorganic materials 0.000 description 1
- 229910017827 Cu—Fe Inorganic materials 0.000 description 1
- 229910017943 Cu—Zn Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910000905 alloy phase Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical group [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Coating With Molten Metal (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、鉄鋼に暗赤色の着色メッキを形成するための
溶融亜鉛を用いて鉄鋼に暗銅色の着色メッキを形成する
方法に関する。Description: FIELD OF THE INVENTION The present invention relates to a method of forming a dark copper colored plating on steel using molten zinc to form a dark red colored plating on steel.
従来技術 従来、溶融亜鉛を用いてメッキを施した溶融亜鉛メッキ
鋼は、建築、土木、電力通信、運輸、農業及び水産等の
部門での材料や施設に至る広範囲な分野において耐食材
料として使用されている。Conventional technology Conventionally, hot-dip galvanized steel plated with hot-dip zinc is used as a corrosion-resistant material in a wide range of fields from materials and facilities in the fields of construction, civil engineering, telecommunications, transportation, agriculture and fisheries. ing.
一方、近年、鉄鋼製品の用途の多様化に伴い、特に、鉄
塔、照明用ポール、ガードレール、種々の仮説用架台、
外板等では、従来の溶融亜鉛メッキ鋼のような金属色の
ものよりも周囲の環境に適合して美観性を呈する着色溶
融亜鉛メッキ鋼が要望されるようになり、今後、建築、
土木、電力通信等のほかに、運輸、農業及び水産等の部
門においても着色溶融亜鉛メッキ鋼の巾広い需要が見込
まれる。On the other hand, in recent years, along with the diversification of applications of steel products, in particular, steel towers, lighting poles, guardrails, various hypothetical mounts,
For outer panels, etc., colored hot-dip galvanized steel, which is more aesthetically pleasing and adapts to the surrounding environment, has become more demanding than metal-like hot-dip galvanized steel in the past.
In addition to civil engineering, power communications, etc., wide-ranging demand for colored hot-dip galvanized steel is expected in sectors such as transportation, agriculture and fisheries.
而して、従来の溶融亜鉛メッキ鋼の着色法としては、該
メッキ鋼に塗装により着色することが主として行なわれ
ているが、溶融亜鉛メッキ鋼のメッキ被膜中のZnは活性
なため、塗料の油分の構成分である脂肪酸が徐々にアル
カリ分解して亜鉛石けんを形成するようになる。そのた
め、着色に用いた塗料の皮膜がメッキ皮膜表面に付着せ
ずに剥離するに至る欠点がある。Thus, as a conventional method for coloring hot-dip galvanized steel, coloring of the hot-dip galvanized steel is mainly performed by painting, but since Zn in the plating film of the hot-dip galvanized steel is active, the paint Fatty acids, which are constituents of oil, are gradually decomposed by alkali to form zinc soap. Therefore, there is a drawback in that the coating film used for coloring does not adhere to the surface of the plating film and is peeled off.
したがって、従来はこのような欠点を防ぐために、鉄鋼
に溶融亜鉛を用いてメッキを施し、ついで得られたメッ
キ鋼を大気中に１〜３週間暴露して上記メッキ皮膜上に
さらにZn（OH）２、ZnO、ZnCO3およびZnCl2等の腐食生
成物を形成させ、ついでメッキ鋼の表面をクリーニング
した後、着色のための塗装を施すという煩雑な操作を行
なうことが余儀なくされている。Therefore, conventionally, in order to prevent such drawbacks, the steel is plated with molten zinc, and the resulting plated steel is exposed to the atmosphere for 1 to 3 weeks and further Zn (OH) is formed on the plating film. It is inevitable to form a corrosion product such as 2 , ZnO, ZnCO 3 and ZnCl 2 and then clean the surface of the plated steel and then apply a coating for coloring.
発明が解決しようとする課題 本発明者は、溶融亜鉛メッキ鋼の着色における叙上の問
題点に鑑みなされたものであって、鉄鋼母材に溶融亜鉛
合金の使用して鋼材に暗銅色の特定の色相の着色メッキ
を形成するための方法を提供することを課題とする。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention The present inventor has been made in view of the above-mentioned problems in coloring hot-dip galvanized steel, in which a steel material is a dark copper-colored product using a hot-dip zinc alloy. It is an object to provide a method for forming a colored plating having a specific hue.
以下本発明を詳しく説明する。The present invention will be described in detail below.
発明の構成 本発明の特徴は、Mn0.3〜0.5重量％及びCu0.05〜0.15
重量％を含有し、残部がZnの組成を有する溶融メッキ用
亜鉛合金を用い、浴温度500〜550℃で鉄鋼母材にメッ
キを施し、次いで、これを500〜520℃の温度の雰囲気
中で30〜150秒加熱した後、大気中で放冷もしくは強
制空冷することにより、鉄鋼に暗銅色の着色メッキを形
成することにある。The features of the present invention include Mn 0.3 to 0.5 wt% and Cu 0.05 to 0.15.
Using a zinc alloy for hot dip coating, which contains wt% and the balance is Zn, the steel base material is plated at a bath temperature of 500 to 550 ° C, and then this is placed in an atmosphere at a temperature of 500 to 520 ° C. After heating for 30 to 150 seconds, it is intended to form a dark copper colored plating on steel by cooling in the air or forced air cooling.
課題を解決するための手段 本発明において、溶融亜鉛合金に使用する亜鉛地金とし
ては、JIS H 2107に規定される主として蒸留亜鉛地金１
種（純度98.5％以上）、最純亜鉛地金（純度99.99％以
上）並びに特殊亜鉛地金を例示することができ、これら
の亜鉛地金に不可避的に含まれる不純物は、例えば蒸留
亜鉛地金１種ではPb1.2wt％以下、Cd0.1wt％以下、Fe0.
02wt％以下であるが、本発明ではこれらの不純物の含量
が合計で1.5wt％未満の亜鉛地金を用いることが好まし
い。なお、これらの亜鉛地金のうち、蒸留亜鉛地金は通
常のフラックスでメッキ可能であり、かつメッキ皮膜の
色彩濃度も高くなるので実用上好ましい。Means for Solving the Problems In the present invention, the zinc ingot used for the molten zinc alloy is mainly distilled zinc ingot 1 defined in JIS H 2107.
Examples include seeds (purity 98.5% or more), pure zinc ingots (purity 99.99% or more), and special zinc ingots. Impurities inevitably contained in these zinc ingots are, for example, distilled zinc ingots. Type 1 Pb 1.2 wt% or less, Cd 0.1 wt% or less, Fe0.
Although it is not more than 02 wt%, it is preferable in the present invention to use a zinc metal having a total content of these impurities of less than 1.5 wt%. Of these zinc base metals, distilled zinc base metal is practically preferable because it can be plated with a normal flux and the color density of the plated film is increased.
本発明においては、上述したような亜鉛地金にMn0.3〜
0.5重量％とCu0.05〜0.15重量％を添加、含有させた溶
融亜鉛合金の浴を用いメッキを行う。このような組成の
メッキ浴を用いて暗銅色の着色メッキを行うには、該メ
ッキ浴に500〜550℃の浴温度で、好ましくは500〜520℃
で鉄鋼母材を少なくとも１分間浸漬し、次いで鉄鋼母材
を浴から引上げて500〜520℃の温度の雰囲気中（例えば
炉内）で30〜150秒間、好ましくは120〜150秒間加熱し
た後、大気中で放冷もしくは強制空冷して暗銅色の色相
を呈する酸化膜から成る着色メッキ層を形成する。In the present invention, Mn 0.3 ~
Plating is performed using a bath of molten zinc alloy containing 0.5 wt% and 0.05 to 0.15 wt% Cu added and contained. In order to perform dark copper color plating using a plating bath having such a composition, the plating bath has a bath temperature of 500 to 550 ° C, preferably 500 to 520 ° C.
After soaking the steel base material for at least 1 minute in the following, and then heating the steel base material from the bath and heating it in an atmosphere at a temperature of 500 to 520 ° C (for example, in a furnace) for 30 to 150 seconds, preferably 120 to 150 seconds, A colored plating layer made of an oxide film exhibiting a dark copper color is formed by cooling in air or forced air cooling.
本発明は、上述のごとく、Mn0.3〜0.5重量％、Cu0.05〜
0.15重量％、残余はZnの組成を有する溶融亜鉛合金の浴
を用いて上記条件下にメッキ、加熱処理及び冷却を行う
ことにより、均一かつ安定した暗銅色の色相を呈する着
色メッキを形成し得る。The present invention, as described above, Mn 0.3 ~ 0.5 wt%, Cu0.05 ~
0.15% by weight, the remainder is plated with a molten zinc alloy bath having a composition of Zn under the above conditions, heat treatment and cooling to form a colored plating exhibiting a uniform and stable dark copper color hue. obtain.
すなわち、暗銅色の着色メッキを得るには、上記特定の
組成を有する溶融亜鉛合金の浴を用いて上記特定な条件
下でメッキ、加熱等を行うことが重要である。因に、こ
れらの組成及び処理条件が上記特定範囲外になると、得
られる着色メッキの色相が不均一となり、かつ他の色相
が混じるようになって、所望の暗銅色の色相が得られな
くなる。なお、上記冷却を直ちに水冷もしくは温水冷す
るとヒートショックにより着色酸化膜が剥離する。That is, in order to obtain dark copper colored plating, it is important to perform plating, heating, etc. under the above-mentioned specific conditions using a bath of a molten zinc alloy having the above-mentioned specific composition. Incidentally, if the composition and the processing conditions are out of the above specified range, the hue of the obtained colored plating becomes non-uniform, and other hues are mixed, so that the desired dark copper hue cannot be obtained. . If the cooling is immediately performed with water cooling or hot water cooling, the colored oxide film is peeled off due to heat shock.
発明の効果 以上述べたとおり、本発明に従って、特定な組成の溶融
亜鉛合金の浴を用いて特定な条件下に鉄鋼母材にメッキ
を施し、次いでこれを加熱して放冷もしくは強制空冷す
ることにより、均一な暗銅色の色相を呈するメッキを形
成し得るので、用途により美観上暗銅色の色彩を呈する
ことが望まれる材料や施設のための耐食性材料を提供で
き、かつ得られる着色メッキは耐食性にも優れているの
で、本発明による着色メッキを施した鉄鋼製品は広範囲
な分野でき用途に有効に供することができる。EFFECTS OF THE INVENTION As described above, according to the present invention, a steel base material is plated under a specific condition using a bath of a molten zinc alloy having a specific composition, and then this is heated and then left to cool or forcedly cool. As a result, a plating exhibiting a uniform dark copper color hue can be formed, so that it is possible to provide a corrosion-resistant material for a material or facility for which it is desired to exhibit a dark copper color aesthetically depending on the application, and the resulting colored plating Has excellent corrosion resistance, so that the steel product colored by the color plating according to the present invention can be applied to a wide range of fields and effectively used.
すなわち、本発明の方法により暗銅色の着色メッキが施
された鋼材は、山野、野原等緑の多い周囲の環境によく
適合し、環境を損なうことなく、鉄塔、照明用ポール、
ガードレール等の野外での建築、土木、電力通信等の分
野での材料、施設として使用され、周囲の環境に適合し
た美麗感を奏するものである。That is, the steel material subjected to dark copper color plating by the method of the present invention is well suited to the surrounding environment with many green areas such as mountains and fields, without damaging the environment, steel tower, lighting pole,
It is used as a material and facility in fields such as outdoor construction such as guardrails, civil engineering, and electric power communication, and has a beautiful feeling that is suitable for the surrounding environment.
そして、さらに本発明の方法によると鋼材の表面を暗銅
色に発色させ、これを前記した緑の多い環境で使用して
いると自然にコーヒーブラウン色に変色する。これは、
亜鉛、マンガン、銅が素地の鉄と自然に反応してZn−Mn
−Cu−Feの合金相が形成され、いまだかって発色したこ
とのなかったコーヒーブラウンの色相を呈するものであ
る。Further, according to the method of the present invention, the surface of the steel material is colored in dark copper color, and when it is used in the above-mentioned environment with a lot of green, it naturally changes to coffee brown color. this is,
Zinc, manganese, and copper spontaneously react with the base iron to form Zn-Mn.
An alloy phase of —Cu—Fe is formed, and exhibits a coffee brown hue that has never been developed.
そして、コーヒーブラウンの色相は、これは耐食性が高
く、山野、野原等緑の多い周囲の環境とよくマッチし、
環境を損なうことなく、鉄塔、電柱等このような環境に
配置される設備に広く利用され、この種のメッキ鋼を使
用するユーザーから非常に好まれるものとなる。And the hue of coffee brown, which has high corrosion resistance, matches well with the surrounding environment with a lot of green such as mountains and fields,
It is widely used for equipments placed in such environments such as steel towers and electric poles without damaging the environment, and is very popular among users who use this kind of plated steel.
従って、本発明によると、鋼材の着色のために煩雑な操
作を必要とすることなく、しかも環境に放置しても再度
塗装する必要がなく、着色メッキ鋼材を長時間半永久的
に使用することができる。Therefore, according to the present invention, it is possible to use the colored plated steel material semipermanently for a long time without requiring a complicated operation for coloring the steel material, and further without needing to repaint it even if it is left in the environment. it can.
以下実施例により本発明とその効果を具体的に説明す
る。The present invention and its effects will be specifically described below with reference to examples.
実施例 幅50mm、長さ100mm及び厚さ3.2mmの寸法のSS41鋼板を80
℃のアルカリ浴に30分間浸漬して脱脂を行った後、湯洗
し、次いで10％の塩酸溶液に常温で30分間浸漬して錆を
除去した。Example An SS41 steel plate measuring 50 mm in width, 100 mm in length and 3.2 mm in thickness was used.
After degreasing by immersing in an alkaline bath at ℃ for 30 minutes, it was washed with hot water and then immersed in a 10% hydrochloric acid solution at room temperature for 30 minutes to remove rust.
次に、この鋼板を湯洗後、35％ZnCl2−NH4Cl溶液に60℃
で30秒間浸漬してフラックス処理を行った。Next, after washing this steel plate with hot water, it was immersed in a 35% ZnCl 2 —NH 4 Cl solution at 60 ° C.
It was immersed for 30 seconds in order to perform the flux treatment.
このようにして前処理した鋼板を、0.5wt％Mn−0.1wt％
Cu−Znの組成のメッキ浴に500〜520℃の温度に１分間浸
漬してメッキを施し、次いで鋼板を浴から引上げて500
〜520℃の温度の炉内に120〜150秒滞留させた。炉内か
ら取り出した鋼板は大気中で放冷を行った。The steel sheet pretreated in this way is 0.5 wt% Mn-0.1 wt%
It is immersed in a plating bath having a composition of Cu-Zn at a temperature of 500 to 520 ° C for 1 minute to perform plating, and then the steel plate is lifted from the bath to 500
It was allowed to stay in the furnace at a temperature of ~ 520 ° C for 120-150 seconds. The steel sheet taken out of the furnace was allowed to cool in the atmosphere.
このようにして得られた鋼板面には暗銅色の均一な色相
を呈する酸化膜から成るメッキ層が形成された。On the surface of the steel sheet thus obtained, a plating layer made of an oxide film having a uniform dark copper hue was formed.
得られた着色メッキ鋼板の試験片について塩水噴霧によ
る腐食試験を240時間にわたって行った結果、腐食減量
は32g/m2であった。The test piece of the obtained colored plated steel sheet was subjected to a corrosion test by salt spray for 240 hours, and as a result, the corrosion weight loss was 32 g / m 2 .
因に、蒸留Zn地金を用いて溶融亜鉛メッキを施した通常
の鋼板では上記の腐食減量は、120〜150g/m2に達する。By the way, the above-mentioned corrosion weight loss reaches 120 to 150 g / m 2 in a normal steel sheet galvanized using distilled Zn ingot.
Claims (1)
を含有し、残部がZnの組成を有する溶融メッキ用亜鉛合
金を用い、浴温度500〜550℃で鉄鋼母材にメッキを施
し、次いでこれを500〜520℃の温度の雰囲気中で30〜15
0秒加熱した後、大気中で放冷もしくは強制空冷するこ
とを特徴とする鉄鋼に暗銅色の着色メッキを形成する方
法。1. Mn 0.3 to 0.5% by weight and Cu 0.05 to 0.15% by weight
Containing a zinc alloy for hot dip galvanizing having a composition of Zn, the steel base material is plated at a bath temperature of 500 to 550 ° C., and then this is applied in an atmosphere at a temperature of 500 to 520 ° C. for 30 to 15 ° C.
A method for forming a colored plating of dark copper color on steel, which comprises heating for 0 seconds and then cooling in air or forced air cooling.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/116,613 US5022937A (en) | 1986-11-21 | 1987-11-03 | Colored zinc coating |
| EP87117098A EP0269006B1 (en) | 1986-11-21 | 1987-11-19 | Colored zinc coating |
| DE8787117098T DE3781375T2 (en) | 1986-11-21 | 1987-11-19 | COLORED ZINC COATING. |
| KR1019870013075A KR920004503B1 (en) | 1986-11-21 | 1987-11-20 | Zinc alloy for a coloured zinc coating and coloured zinc coating method for using the same |
| AU14132/88A AU595700B2 (en) | 1987-04-01 | 1988-03-31 | Coloured zinc coating |
| US07/694,750 US5141782A (en) | 1985-06-17 | 1991-05-02 | Colored zinc coating |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61-278172 | 1986-11-21 | ||
| JP27817286 | 1986-11-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63241132A JPS63241132A (en) | 1988-10-06 |
| JPH0768607B2 true JPH0768607B2 (en) | 1995-07-26 |
Family
ID=17593590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62080501A Expired - Fee Related JPH0768607B2 (en) | 1985-06-17 | 1987-04-01 | Method of forming dark copper colored plating on steel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0768607B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103627930B (en) * | 2013-11-25 | 2015-11-25 | 宁波博威合金材料股份有限公司 | A kind of high-ductility Cutting free zinc alloy |
| WO2018142487A1 (en) * | 2017-01-31 | 2018-08-09 | Ykk株式会社 | Article having metallic surface, tone-treatment method therefor, and gas phase oxidation device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61288040A (en) * | 1985-06-17 | 1986-12-18 | Nikko Aen Kk | Zinc alloy for hot dipping and its use |
-
1987
- 1987-04-01 JP JP62080501A patent/JPH0768607B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63241132A (en) | 1988-10-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |