JP3538316B2 - Plated steel plate or aluminum plate with excellent adhesion to cement - Google Patents
Plated steel plate or aluminum plate with excellent adhesion to cementInfo
- Publication number
- JP3538316B2 JP3538316B2 JP12761398A JP12761398A JP3538316B2 JP 3538316 B2 JP3538316 B2 JP 3538316B2 JP 12761398 A JP12761398 A JP 12761398A JP 12761398 A JP12761398 A JP 12761398A JP 3538316 B2 JP3538316 B2 JP 3538316B2
- Authority
- JP
- Japan
- Prior art keywords
- cement
- plated steel
- metal plate
- steel sheet
- aluminum
- 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
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- Laminated Bodies (AREA)
- Electroplating Methods And Accessories (AREA)
- Coating With Molten Metal (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、床材や壁材等の建
築材料に利用される金属板に関し、詳細にはめっき鋼板
やアルミニウム板からなる金属板であってセメントとの
密着性に優れた金属板に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal plate used for building materials such as flooring and wall materials, and more particularly to a metal plate made of a plated steel plate or an aluminum plate, which has excellent adhesion to cement. Metal plate.
【０００２】[0002]
【従来の技術】亜鉛系めっき鋼板やアルミニウム系めっ
き鋼板及びアルミニウム板等の金属板は、加工が容易で
あると共に、各種機械的特性にも優れており、しかも耐
食性が良好であることから、床材，壁材，構造部材等の
建材への用途をはじめ、家電製品や自動車など様々な分
野で実用化されているが、上記建材用途においては、よ
り一層の強度向上を目的として、金属板の表面にセメン
ト等の無機質材料を被覆する場合がある。この場合に
は、金属板と無機質材料の接合力が十分に大きいことが
要求されることから、サンドブラスト法やバフ研磨法等
により金属表面を粗面化する所謂投錨効果（アンカー効
果）によって両者の接合力を増加させる方法が一般に採
用されている。しかしながら、上記アンカー効果による
接合強度では必ずしも構造体に要求される所定の強度が
得られないことが指摘されていた。2. Description of the Related Art Metal sheets such as galvanized steel sheets, aluminum-coated steel sheets and aluminum sheets are easy to process, have excellent mechanical properties, and have good corrosion resistance. It has been put into practical use in various fields such as home appliances and automobiles, including applications to building materials such as materials, wall materials, and structural members. The surface may be coated with an inorganic material such as cement. In this case, since the bonding strength between the metal plate and the inorganic material is required to be sufficiently large, a so-called anchor effect (anchor effect) of roughening the metal surface by sandblasting, buffing, or the like is used. A method of increasing the joining force is generally adopted. However, it has been pointed out that the predetermined strength required for the structure cannot always be obtained with the bonding strength based on the anchor effect.
【０００３】まためっき鋼板の場合には、めっき層の厚
さが通常１〜１０μｍ程度と非常に薄い為に、上述した
機械的研磨法を施すと素地鋼板にまで達する疵ができて
しまい、めっき鋼板本来の特性である耐食性が著しく低
下する等の問題を生じることから、金属表面を粗面化す
る方法は採用できなかった。[0003] In the case of a plated steel sheet, the thickness of the plated layer is very thin, usually about 1 to 10 µm. Therefore, when the above-mentioned mechanical polishing method is applied, a flaw reaching the base steel sheet is formed. A method of roughening the metal surface could not be adopted because of the problems such as a remarkable decrease in the corrosion resistance which is an inherent property of the steel sheet.
【０００４】その他、特開昭５１−８７５４０号公報に
は、無機質材料と金属の接着性の向上を目的として、金
属表面に、シリカゾルやリン酸等を主成分とする組成物
で皮膜を形成する方法が開示されている。上記公報によ
れば、上記組成物を使用することにより無機質材料と金
属の接着強度が増加する理由として、形成された皮膜が
無機質材料と金属の両方に対して親和性が高く、且つ皮
膜表面に対する無機質材料の投錨効果によるものである
ことが記載されている。しかしながら、上記公報に記載
の方法では、金属と上記皮膜との接着力が不十分であ
り、全体としての接合力は小さいものであった。また、
上記皮膜の投錨効果による無機質材料との接着力向上効
果も、上記皮膜の厚さが十分厚い場合には期待できるも
のの、数μｍ程度以下の極く薄い皮膜では所望の接着力
が得られなかった。[0004] In addition, Japanese Patent Application Laid-Open No. 51-87540 discloses that a film is formed on a metal surface with a composition mainly composed of silica sol, phosphoric acid or the like for the purpose of improving the adhesion between the inorganic material and the metal. A method is disclosed. According to the above publication, the use of the above composition increases the adhesive strength between the inorganic material and the metal because the formed film has a high affinity for both the inorganic material and the metal, and It is described that this is due to the anchoring effect of an inorganic material. However, according to the method described in the above publication, the adhesive force between the metal and the film is insufficient, and the bonding force as a whole is small. Also,
The effect of improving the adhesion to the inorganic material by the anchoring effect of the film can be expected when the thickness of the film is sufficiently large, but the desired adhesion cannot be obtained with an extremely thin film of about several μm or less. .
【０００５】[0005]
【発明が解決しようとする課題】本発明は上記事情に着
目してなされたものであって、その目的はセメントとの
密着性に優れためっき鋼板またはアルミニウム板を提供
しようとするものである。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a plated steel sheet or an aluminum sheet having excellent adhesion to cement.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決した本発
明の金属板とは、亜鉛またはアルミニウムを主成分とす
るめっき層を有するめっき鋼板、またはアルミニウム板
の表面の中心線平均粗さ（Ｒａ）が、０．８μｍ以下で
あると共に、表面の粗さ曲線の中心線１インチ当りに存
在し中心線からの高さが２５μinch以上であるピークの
個数（ＰＰＩ;peaks per inch）が８０以下であること
を要旨とするものである。The metal plate of the present invention which has solved the above-mentioned problems is a plated steel plate having a plating layer containing zinc or aluminum as a main component, or a center line average roughness (Ra) of the surface of an aluminum plate. ) Is 0.8 μm or less, and the number of peaks (PPI; peaks per inch) present per inch of the center line of the surface roughness curve and having a height of 25 μinch or more from the center line is 80 or less. The point is that there is something.
【０００７】[0007]
【発明の実施の形態】従来では、セメントと金属板の密
着力を向上させるにあたって、金属板表面を粗面化して
前記投錨効果により密着性を高める方法が採用されてい
たが、本発明者らが鋭意研究を重ねた結果、金属板の表
面は所定の条件を満足するならばむしろ平滑であるほど
セメントとの密着性が向上するという、これまでとは全
く逆の知見を得て本発明に想到した。DESCRIPTION OF THE PREFERRED EMBODIMENTS Conventionally, in order to improve the adhesion between cement and a metal plate, a method has been adopted in which the surface of the metal plate is roughened to improve the adhesion by the anchoring effect. As a result of intensive research, the present inventors obtained a completely opposite finding that the surface of a metal plate, if it satisfies the predetermined conditions, is rather smooth, the better the adhesion with cement is. I thought.
【０００８】具体的には、後述する実施例の結果を図１
のグラフに示した様に、金属板表面の中心線粗さＲａが
０．８μｍ以下で、且つ前記の定義によるＰＰＩが８０
以下であれば、セメントとの密着性に優れたものとな
る。More specifically, the results of the embodiment described later are shown in FIG.
As shown in the graph, the center line roughness Ra of the metal plate surface is 0.8 μm or less, and the PPI defined by the above definition is 80 μm.
If it is below, it will be excellent in adhesion to cement.
【０００９】本発明による金属板表面の平滑化が、セメ
ントとの密着性を向上させる理由は、以下のように考え
られる。図２に金属板の表面性状を模式的に例示するよ
うに、表面粗度Ｒａ及び／またはＰＰＩが大きい場合
［図２(a) 〜(c) ］、セメントが金属板表面の凹部まで
十分に浸透しない。従って、セメントは金属板の凸部で
しか接触していないこととなり、たとえ金属板の実表面
積は大きくてもセメントとの接触面積は小さいため、十
分な接着強度を得ることができないものと考えられる。
更に、建材用途の金属板においては、金属板を所望の形
状に加工した後、セメントの注入又は塗布が行われるこ
とが一般的であり、上記金属板の加工時には、通常、加
工油が用いられている。その為、図２(a) 〜(c) の例の
ように金属板表面に凹凸が形成されていると、たとえ脱
脂や拭き取り等を行ったとしても凹部に加工油が残存
（滞留）しやすく、金属板表面の凹部へセメントが侵入
することを抑制し、更に密着性を弱めているものと考え
られる。The reason why the smoothing of the surface of the metal plate according to the present invention improves the adhesion to cement is considered as follows. When the surface roughness Ra and / or the PPI is large [FIGS. 2 (a) to 2 (c)], as shown in FIG. Does not penetrate. Therefore, the cement is in contact only with the convex portion of the metal plate. Even if the actual surface area of the metal plate is large, the contact area with the cement is small, and it is considered that sufficient adhesive strength cannot be obtained. .
Further, in a metal plate for building materials, after processing the metal plate into a desired shape, it is common that cement is injected or applied.When processing the metal plate, a processing oil is usually used. ing. For this reason, if the metal plate surface has irregularities as in the examples of FIGS. 2A to 2C, the processing oil easily remains (remains) in the concave portions even if degreasing or wiping is performed. It is considered that cement is prevented from entering the recesses on the surface of the metal plate, and the adhesion is further weakened.
【００１０】これに対して、本発明に係る金属板の表面
性状を図２(d) に示す様に、Ｒａ及びＰＰＩが小さい場
合、即ち金属板表面が平滑である場合には、広い面積で
セメントと金属板が接触することが可能となり、十分な
密着力を確保することができる。金属板表面は平滑であ
るほど、よりセメントとの密着力が増加することとなる
ため、理想的にはＲａ及びＰＰＩが共にゼロである場合
に、最大の密着力が得られることとなる。従って、本発
明に係る金属板では、上記理由により表面粗度：Ｒａを
０．８μｍ以下に設定したものであり、０．７μｍ以下
であれば好ましく、０．６μｍ以下であればより好まし
い。またＰＰＩについても、上記理由により８０以下に
設定したものであり、７０以下であれば好ましく、５０
以下であればより好ましい。On the other hand, as shown in FIG. 2 (d), the surface properties of the metal plate according to the present invention are large when Ra and PPI are small, that is, when the metal plate surface is smooth. The cement and the metal plate can come into contact with each other, and sufficient adhesion can be secured. The smoother the surface of the metal plate, the more the adhesion to the cement increases. Therefore, ideally, when both Ra and PPI are zero, the maximum adhesion is obtained. Therefore, in the metal plate according to the present invention, the surface roughness (Ra) is set to 0.8 μm or less for the above reason, preferably 0.7 μm or less, and more preferably 0.6 μm or less. Also, the PPI is set at 80 or less for the above reason, and preferably at 70 or less.
The following is more preferable.
【００１１】本発明に係る金属板を製造するにあたって
は、金属板の種類に応じて表面粗度を本発明範囲に調整
すればよく、例えば所望の表面粗度を有する圧延ロール
を用いて金属板を圧延する方法や、金属板表面を機械的
または化学的に研磨する方法を採用するか、或いは金属
板に溶融めっき又は電気めっきを施すことにより表面粗
度を調整する方法等が適用可能である。In producing the metal sheet according to the present invention, the surface roughness may be adjusted to the range of the present invention according to the type of the metal sheet. For example, the metal sheet is rolled using a roll having a desired surface roughness. Rolling method, a method of mechanically or chemically polishing the surface of a metal plate, or a method of adjusting the surface roughness by subjecting a metal plate to hot-dip or electroplating can be applied. .
【００１２】本発明の金属板は、亜鉛またはアルミニウ
ムを主成分とするめっき層を有するめっき鋼板である
か、或いはアルミニウム板のいずれかであることが望ま
しい。これらの金属板は、セメントとの密着性に寄与す
る最表面の表面粗度を、前記方法により比較的容易に制
御することができ、しかもセメントと金属板を接着させ
た部材の主な利用分野である建材用において、強度や耐
食性と金属板の製造コスト等の観点から総合的に優れて
いる。また上記金属板を用いると、後述する化成処理を
行うことにより、セメントとの密着性を更に向上させる
ことが可能である。The metal plate of the present invention is preferably a plated steel plate having a plating layer containing zinc or aluminum as a main component, or an aluminum plate. In these metal plates, the surface roughness of the outermost surface contributing to the adhesion to the cement can be controlled relatively easily by the above method, and the main field of application of the member in which the cement and the metal plate are bonded is For building materials, it is generally excellent in terms of strength, corrosion resistance, production cost of metal sheets, and the like. When the metal plate is used, it is possible to further improve the adhesiveness to cement by performing a chemical conversion treatment described later.
【００１３】尚、亜鉛を主成分とするめっき層を有する
めっき鋼板としては、公知の電気めっき法，溶融めっき
法，蒸着めっき法等により製造されるＺｎめっき鋼板，
Ｚｎ−Ｎｉ合金めっき鋼板，Ｚｎ−Ｆｅ合金めっき鋼
板，Ｚｎ−５％Ａｌ合金めっき鋼板，Ｚｎ−Ｍｇ合金め
っき鋼板等が挙げられる。アルミニウムを主成分とする
めっき層を有するめっき鋼板としては、公知の電気めっ
き法、溶融めっき法、蒸着めっき法等により製造される
Ａｌめっき鋼板，Ａｌ−Ｓｉ合金めっき鋼板，５５％Ａ
ｌ−Ｚｎ合金めっき鋼板，Ａｌ−Ｃｒ合金めっき鋼板等
が挙げられる。またアルミニウム板としては、アルミニ
ウムを主成分としているものであれば何ら制限されるも
のではなく、強度，展延性，耐食性，耐熱性等の各種特
性の向上を目的として、Ｓｉ，Ｆｅ，Ｃｕ，Ｍｎ，Ｍ
ｇ，Ｃｒ，Ｚｎ，Ｔｉ等を含有させたものを用いること
が可能である。The plated steel sheet having a plating layer containing zinc as a main component includes a Zn-plated steel sheet manufactured by a known electroplating method, hot-dip plating method, vapor deposition plating method, or the like.
Examples include a Zn-Ni alloy plated steel sheet, a Zn-Fe alloy plated steel sheet, a Zn-5% Al alloy plated steel sheet, and a Zn-Mg alloy plated steel sheet. Examples of the plated steel sheet having a plating layer containing aluminum as a main component include Al-plated steel sheets, Al-Si alloy-plated steel sheets, and 55% A manufactured by known electroplating, hot-dip plating, and vapor deposition plating.
Examples thereof include an l-Zn alloy plated steel sheet and an Al-Cr alloy plated steel sheet. The aluminum plate is not particularly limited as long as it contains aluminum as a main component. Si, Fe, Cu, Mn is used for the purpose of improving various properties such as strength, ductility, corrosion resistance, and heat resistance. , M
It is possible to use those containing g, Cr, Zn, Ti and the like.
【００１４】更に、本発明に係る金属板に密着性良く接
合されるセメントとしては、公知の普通ポルトランドセ
メント，早強ポルトランドセメント，超早強ポルトラン
ドセメント，中庸熱ポルトランドセメント，高炉セメン
ト，シリカセメント，フライアッシュセメント，アルミ
ナセメント等が挙げられ、またこれらのセメントに、細
骨材（砂等）や粗骨材（砂利または砕石等）等の混合物
を含有させたものであってもよい。更には、上記混合物
に水を適切な割合で配合して混練したコンクリートや、
骨材として細骨材のみを用いたモルタル等を用いても密
着性良く接合することができる。Further, as the cement to be bonded to the metal plate with good adhesion according to the present invention, well-known ordinary Portland cement, early-strength Portland cement, ultra-high-strength Portland cement, moderately heated Portland cement, blast furnace cement, silica cement, Fly ash cement, alumina cement and the like may be mentioned, and a mixture of fine aggregate (sand or the like) or coarse aggregate (gravel or crushed stone) or the like may be added to these cements. Furthermore, concrete mixed and kneaded with water in an appropriate ratio to the above mixture,
Even if mortar using only fine aggregate is used as the aggregate, it can be joined with good adhesion.
【００１５】以下実施例に基づいて本発明を詳述する。
ただし、下記実施例は本発明を制限するものではなく、
前・後記の趣旨を逸脱しない範囲で変更実施することは
全て本発明の技術範囲に包含される。Hereinafter, the present invention will be described in detail with reference to examples.
However, the following examples do not limit the present invention,
Modifications and alterations that do not depart from the spirit of the preceding and following aspects are all included in the technical scope of the present invention.
【００１６】[0016]
【実施例】金属板として、溶融Ｚｎめっき鋼板、溶融Ｚ
ｎ−５％Ａｌめっき鋼板、電気Ｚｎめっき鋼板，アルミ
ニウム板を用いた。EXAMPLE As a metal plate, hot-dip galvanized steel sheet, hot-dip
An n-5% Al-plated steel sheet, an electric Zn-plated steel sheet, and an aluminum plate were used.
【００１７】表面粗度の異なる種々の圧延ロールを用い
て、上記金属板をスキンパス圧延することにより、表面
粗度を調整した。The metal plate was subjected to skin pass rolling using various rolling rolls having different surface roughness to adjust the surface roughness.
【００１８】上記方法により作製した金属板の表面に、
内寸５０×５０×８０ｍｍの木枠を置き、種々のペース
ト［普通ポルトランドセメントペースト、普通ポルトラ
ンドセメントに細骨材（砂）を混ぜたモルタルペース
ト、および高炉セメントペースト］を注入した。室温に
て４週間放置した後、木枠を外し、セメント凝固物の側
面に力を加えてセメントを金属板から引き剥がす剥離試
験を行った。試験後の鋼板表面の接着面に残存するセメ
ント凝固物について以下の基準で判定し、セメントと金
属板の密着性を評価した。
◎：接着面積の全域にセメント凝固物が残存する（セメ
ント凝固物の内部で凝集破壊が生じているのみ）
○：接着面積の３０〜９９％にセメント凝固物が残存す
る（セメント凝固物の内部で凝集破壊が生じると共に、
セメント凝固物とめっき鋼板表面には界面剥離が生じ
た）
△：接着面積の３０％未満にセメント凝固物が残存する
（セメント凝固物の内部で凝集破壊が生じると共に、セ
メント凝固物とめっき鋼板表面には界面剥離が生じた）
×：セメント凝固物が全く残存しない（セメント凝固物
とめっき鋼板表面に界面剥離が生じた）
結果は表１に示すと共に、図１にグラフとして示す。On the surface of the metal plate produced by the above method,
A wooden frame having an inner size of 50 × 50 × 80 mm was placed, and various pastes were injected (ordinary Portland cement paste, mortar paste in which fine aggregate (sand) was mixed with ordinary Portland cement, and blast furnace cement paste). After leaving at room temperature for 4 weeks, the wooden frame was removed and a force test was applied to the side surface of the solidified cement to peel off the cement from the metal plate. The cement solidified material remaining on the bonding surface of the steel sheet surface after the test was determined according to the following criteria, and the adhesion between the cement and the metal plate was evaluated. ◎: Cement solidified remains in the entire area of the adhesive area (only cohesive failure occurs inside the cement solidified) ○: Cement solidified remains in 30 to 99% of the bonded area (inside of the cement solidified) Causes cohesive failure and
Interfacial delamination occurred between the cement coagulate and the surface of the plated steel sheet. Δ: The cement coagulate remains in less than 30% of the bonding area (cohesive failure occurs inside the cement coagulate, and the cement coagulate and the surface of the plated steel sheet) ×: no cement coagulation remained (interfacial separation occurred between the cement coagulated material and the surface of the plated steel sheet). The results are shown in Table 1 and as a graph in FIG.
【００１９】[0019]
【表１】 [Table 1]
【００２０】[0020]
【表２】 [Table 2]
【００２１】Ｎｏ．１〜２８は、本発明の条件を満足す
る金属板であるが、いずれのセメントとの間においても
優れた密着性を有していることが分かる。No. Nos. 1-28 are metal plates satisfying the conditions of the present invention, but it can be seen that they have excellent adhesion to any cement.
【００２２】これに対してＮｏ．２９〜４０は、Ｒａ及
び／又はＰＰＩが本発明範囲を満足しない比較例であ
り、セメントとの密着性が低い。On the other hand, no. Nos. 29 to 40 are comparative examples in which Ra and / or PPI do not satisfy the range of the present invention, and have low adhesion to cement.
【００２３】また図１のグラフから、金属板のセメント
との密着性は、Ｒａは０．８μｍ以下、ＰＰＩは８０個
以下で、良好となることが分かる。From the graph of FIG. 1, it can be seen that the adhesion of the metal plate to the cement is good when Ra is 0.8 μm or less and PPI is 80 or less.
【００２４】[0024]
【発明の効果】本発明の金属板は以上の様に構成されて
いるので、セメントとの密着性に優れためっき鋼板また
はアルミニウム板が提供できることとなった。As described above, the metal sheet of the present invention is constituted as described above, so that a plated steel sheet or an aluminum sheet having excellent adhesion to cement can be provided.
【図１】金属板の表面粗度であるＲａ及びＰＰＩと、セ
メントとの密着性の関係を示すグラフである。FIG. 1 is a graph showing the relationship between Ra and PPI, which are the surface roughness of a metal plate, and the adhesiveness to cement.
【図２】Ｒａ及びＰＰＩの違いによる表面性状を模式的
に示す説明図である。FIG. 2 is an explanatory view schematically showing surface properties depending on the difference between Ra and PPI.
フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ Ｃ２５Ｄ 5/26 Ｃ２５Ｄ 5/26 Ｃ (72)発明者 岩井 正敏 兵庫県加古川市金沢町１番地 株式会社 神戸製鋼所 加古川製鉄所内 (56)参考文献 特開 平６−270329（ＪＰ，Ａ) 特開 平11−106943（ＪＰ，Ａ) 特開 平２−175007（ＪＰ，Ａ) 実開 昭64−31816（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) C22C 38/00 301 C22C 21/00 Continued on the front page (51) Int.Cl. 7 Identification code FI C25D 5/26 C25D 5/26 C (72) Inventor Masatoshi Iwai 1 Kanazawacho, Kakogawa-shi, Hyogo Kobe Steel, Ltd. Kakogawa Works (56) References JP-A-6-270329 (JP, A) JP-A-11-106943 (JP, A) JP-A-2-175007 (JP, A) Japanese Utility Model Sho 64-31816 (JP, U) (58) Survey Field (Int. Cl. 7 , DB name) C22C 38/00 301 C22C 21/00
Claims (1)
めっき層を有するめっき鋼板、またはアルミニウム板の
表面の中心線平均粗さ（Ｒａ）が、０．８μｍ以下であ
ると共に、 表面の粗さ曲線の中心線１インチ当りに存在し中心線か
らの高さが２５μinch以上であるピークの個数（ＰＰ
Ｉ）が８０以下であることを特徴とするセメントとの密
着性に優れためっき鋼板またはアルミニウム板。1. A composition containing zinc or aluminum as a main component.
The center line average roughness (Ra) of the surface of a plated steel sheet or an aluminum plate having a plating layer is 0.8 μm or less, and the center existing per inch of the center line of the surface roughness curve The number of peaks whose height from the line is 25 μinch or more (PP
1. A plated steel sheet or an aluminum sheet having excellent adhesion to cement, wherein I) is 80 or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12761398A JP3538316B2 (en) | 1998-05-11 | 1998-05-11 | Plated steel plate or aluminum plate with excellent adhesion to cement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12761398A JP3538316B2 (en) | 1998-05-11 | 1998-05-11 | Plated steel plate or aluminum plate with excellent adhesion to cement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11323491A JPH11323491A (en) | 1999-11-26 |
| JP3538316B2 true JP3538316B2 (en) | 2004-06-14 |
Family
ID=14964430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12761398A Expired - Fee Related JP3538316B2 (en) | 1998-05-11 | 1998-05-11 | Plated steel plate or aluminum plate with excellent adhesion to cement |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3538316B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101636920B1 (en) * | 2015-02-17 | 2016-07-08 | 부양산업 주식회사 | Method of coating for steel pipe and coated steel pipe |
-
1998
- 1998-05-11 JP JP12761398A patent/JP3538316B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11323491A (en) | 1999-11-26 |
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