JPH0639716B2 - Multi-layer alloy plated steel sheet with excellent corrosion resistance and workability - Google Patents
Multi-layer alloy plated steel sheet with excellent corrosion resistance and workabilityInfo
- Publication number
- JPH0639716B2 JPH0639716B2 JP939587A JP939587A JPH0639716B2 JP H0639716 B2 JPH0639716 B2 JP H0639716B2 JP 939587 A JP939587 A JP 939587A JP 939587 A JP939587 A JP 939587A JP H0639716 B2 JPH0639716 B2 JP H0639716B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- alloy
- steel sheet
- workability
- corrosion resistance
- 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 - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 46
- 239000010959 steel Substances 0.000 title claims description 46
- 229910045601 alloy Inorganic materials 0.000 title claims description 35
- 239000000956 alloy Substances 0.000 title claims description 35
- 230000007797 corrosion Effects 0.000 title claims description 30
- 238000005260 corrosion Methods 0.000 title claims description 30
- 238000007747 plating Methods 0.000 claims description 33
- 239000000843 powder Substances 0.000 claims description 31
- 238000009713 electroplating Methods 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 229910001297 Zn alloy Inorganic materials 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 150000002739 metals Chemical class 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 238000005275 alloying Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 22
- 229910052742 iron Inorganic materials 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 229910000640 Fe alloy Inorganic materials 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910007570 Zn-Al Inorganic materials 0.000 description 2
- 229910007567 Zn-Ni Inorganic materials 0.000 description 2
- 229910007565 Zn—Cu Inorganic materials 0.000 description 2
- 229910007614 Zn—Ni Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000655 Killed steel Inorganic materials 0.000 description 1
- 229910007564 Zn—Co Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010828 elution 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
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Electroplating Methods And Accessories (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］ 本発明は耐蝕性、加工性に優れた多層合金めっき鋼板に
関し、さらに詳しくは、自動車、家庭電気用品等に使用
される薄鋼板、或いは、船舶、建築材料等に使用される
厚鋼板として有用な耐蝕性、加工性に優れた多層合金め
っき鋼板に関する。TECHNICAL FIELD The present invention relates to a multi-layer alloy plated steel sheet having excellent corrosion resistance and workability, and more specifically, a thin steel sheet used for automobiles, household electrical appliances, etc., or The present invention relates to a multi-layer alloy plated steel sheet having excellent corrosion resistance and workability, which is useful as a thick steel sheet used for ships, building materials and the like.
［従来技術］ 従来、自動車、家庭電気用品等には種々の防錆鋼板が使
用されているが、そのうちZnの優れた犠牲防蝕作用によ
りZnめっき鋼板が尤も広く用いられている。[Prior Art] Conventionally, various rust-preventing steel sheets have been used for automobiles, household electric appliances, etc. Among them, Zn-plated steel sheet is most widely used due to the excellent sacrificial corrosion prevention effect of Zn.
しかし、苛酷な腐蝕環境下ではZnの溶出による消費が早
まり、めっきとしての寿命が短くなるため、他の金属を
合金化させ耐蝕性を向上させたZn合金めっき鋼板が開発
されてきており、需要も益々増加の傾向を示している。However, in a harsh corrosive environment, consumption by Zn elution accelerates and the life as plating shortens.Therefore, Zn alloy-plated steel sheets with other metals alloyed to improve corrosion resistance have been developed. Also shows an increasing trend.
そして、このZn合金めっき鋼板としては、Zn−Fe、Zn−
Ni、Zn−Co等の合金めっき鋼板があり、主として電気め
っきにより製造されている。And, as this Zn alloy plated steel sheet, Zn-Fe, Zn-
There are alloy plated steel sheets such as Ni and Zn-Co, which are mainly manufactured by electroplating.
しかしながら、近年耐蝕性向上の要求が強くなり、これ
らの合金めっき層の厚膜化が必要となっているが、電気
めっき法では厚目付けの操作が複雑となり、かつ、コス
トが大幅に上昇するという問題がある。However, in recent years, there has been a strong demand for improvement in corrosion resistance, and it is necessary to increase the thickness of these alloy plating layers. However, the electroplating method complicates the operation of weighting, and significantly increases the cost. There's a problem.
そのため、この問題を解決した鋼板としては、従来より
次のような粉末めっき法を適用した鋼板がある。Therefore, as a steel plate that solves this problem, there is a steel plate to which the following powder plating method has been conventionally applied.
1)特開昭４９−０１１７３７号公報には、Cuめっきした
鋼板上にZn粉末を付着被覆後、加熱してめっきCuとZn粉
末を完全に拡散させることによってZn−Cu合金めっき
（黄銅めっき）を施した鋼板が記載されている（従来例
Ａ）。1) JP-A-49-011737 discloses a Zn-Cu alloy plating (brass plating) by depositing and coating Zn powder on a Cu-plated steel sheet and then heating to completely diffuse the plated Cu and Zn powder. A steel sheet subjected to is described (conventional example A).
2)特開昭５３−０４６４３９号公報には、薄いZnめっき
を施し、錆等の表面欠陥の発生を防止した鋼板上に、Al
またはZn−Al合金粉末を付着被覆後、加熱、焼結させる
ことによってAlまたはZn−Al合金めっきを施した鋼板が
記載されている（従来例Ｂ）。2) In Japanese Patent Laid-Open No. 53-046439, a thin Zn plating is applied to a steel plate on which surface defects such as rust are prevented, and
Alternatively, there is described a steel sheet in which Zn or Al alloy powder is applied and coated, and then heated or sintered to perform Al or Zn-Al alloy plating (conventional example B).
しかし、上記した従来例Ａ、Ｂ共に、加工性については
以下説明するような共通の問題を有している。即ち、操
業中の加熱条件の僅かの変動によっても容易に従来例Ａ
では粉末Znの一部が素地鉄中に拡散し、また、従来例Ｂ
ではめっきZnの一部が素地鉄中に拡散し、めっき層の素
地鉄の界面に硬く、かつ、脆いZn−Fe合金層を形成する
ため、加工性が同一板厚、或いは、チャンス毎でも大き
くばらつく。However, both the conventional examples A and B described above have a common problem regarding workability as described below. That is, the conventional example A can be easily used even by a slight change in the heating condition during the operation.
Then, part of the powder Zn diffused into the base iron, and the conventional example B
Part of the plated Zn diffuses into the base iron, forming a hard and brittle Zn-Fe alloy layer at the base iron interface of the plating layer, so the workability is the same plate thickness, or even at each opportunity Vary.
また、従来例ＢではZn−Al合金粉末を使う場合、加熱が
不充分であると、合金粉末同士の接触面での拡散反応が
優先的に進むため、めっき層表面に組成むらが生じ、ガ
ルバニック腐蝕が起こり耐蝕性が劣化するという問題が
ある。Further, in the case of using Zn-Al alloy powder in Conventional Example B, if the heating is insufficient, the diffusion reaction at the contact surface between the alloy powders preferentially proceeds, resulting in uneven composition on the surface of the plating layer and galvanic There is a problem that corrosion occurs and corrosion resistance deteriorates.
第２図(a)(b)に上記した従来例ＡおよびＢの断面図を示
してあるが、第２図(a)の従来例Ａにおいては、素地鉄
１１とZn−Cu合金層１３の間にZn−Fe合金層１２が存在
しており、また、第２図(b)の従来例Ｂにおいては、素
地鉄１１の上にZnの電気めっき層１４およびその上にZn
−Al合金層１５を有しているが、素地鉄１１とZn電気め
っき層１４の間にZn−Fe合金層１４が存在していること
がわかる。そして、ボールインパクト試験によれば、従
来例Ａ、Ｂともに広い範囲に剥離が認められるランク４
であり、表面光沢は目視によると従来例Ａではやや不
良、従来例Ｂでは良好であった。2 (a) and 2 (b) are sectional views of the conventional examples A and B described above. In the conventional example A of FIG. 2 (a), the base iron 11 and the Zn-Cu alloy layer 13 are A Zn-Fe alloy layer 12 is present between them, and in the conventional example B of FIG. 2 (b), the Zn electroplating layer 14 is formed on the base iron 11 and the Zn electroplating layer 14 is formed on the Zn electroplating layer 14.
Although it has the —Al alloy layer 15, it can be seen that the Zn—Fe alloy layer 14 exists between the base iron 11 and the Zn electroplating layer 14. According to the ball impact test, peeling is recognized in a wide range in both the conventional examples A and B. Rank 4
According to the visual observation, the surface gloss was slightly poor in Conventional Example A and was good in Conventional Example B.
［発明が解決しようとする問題点］ 本発明は上記に説明したような従来技術における種々の
問題点に鑑み、本発明者が鋭意研究を行い、検討を重ね
た結果、従来のめっき鋼板に比較して加工性に選れ、さ
らに、耐蝕性においても優れ、その上、表面光沢も良好
な耐蝕性、加工性に優れた多層合金めっき鋼板を開発し
たのである。[Problems to be Solved by the Invention] In view of various problems in the prior art as described above, the present invention has been earnestly studied by the inventor, and as a result of repeated studies, the present invention is compared with conventional plated steel sheets. We have developed a multi-layer alloy-plated steel sheet that has excellent workability, corrosion resistance, and excellent surface gloss, as well as corrosion resistance and workability.
［問題点を解決するための手段］ 本発明に係る耐蝕性、加工性に優れた多層合金めっき鋼
板は、 (1)鋼板上に、第１層としてNi、Co、Cr、Cuの純金属ま
たはこれら純金属２種以上からなる合金電気めっき層、
その上に、第２層として第１層の電気めっき層の一部と
Zn粉末の加熱合金化したZn合金めっき層を有しているこ
とを特徴とする耐蝕性、加工性に優れた多層合金めっき
鋼板を第１の発明とし、 (2)鋼板上に、第１層としてNi、Co、Cr、Cuの１種また
は２種以上と、Znとの合金の電気めっき層、その上に、
第２層として第１層の電気めっき層の一部とZn粉末の加
熱合金化したZn合金めっき層を有していることを特徴と
する耐蝕性、加工性に優れた多層合金めっき鋼板を第２
の発明とし、 (3)鋼板上に、第１層としてNi、Co、Cr、Cuの純金属ま
たはこれら純金属２種以上からなる合金電気めっき層、
その上に、第２層として第１層の電気めっき層の一部と
Zn粉末の加熱合金化したZn合金めっき層、さらに、その
上に、Zn粉末を加熱したZnめっき層を有していることを
特徴とする耐蝕性、加工性に優れた多層合金めっき鋼板
を第３の発明とし、 (4)鋼板上に、第１層としてNi、Co、Cr、Cuの１種また
は２種以上と、Znとの合金の電気めっき層、その上に、
第２層として第１層の電気めっき層の一部とZn粉末の加
熱合金化したZn合金めっき層、さらに、その上に、Zn粉
末を加熱したZnめっき層を有していることを特徴とする
耐蝕性、加工性に優れた多層合金めっき鋼板を第４の発
明とする４つの発明よりなるものである。[Means for Solving Problems] A multilayer alloy-plated steel sheet excellent in corrosion resistance and workability according to the present invention is (1) a pure metal of Ni, Co, Cr, or Cu as a first layer on a steel sheet or An alloy electroplating layer consisting of two or more of these pure metals,
On top of that, as a second layer, a part of the first electroplated layer and
A first invention is a multilayer alloy-plated steel sheet excellent in corrosion resistance and workability, which has a Zn alloy plating layer which is a heat-alloyed Zn powder, and (2) the first layer on the steel sheet. As an electroplated layer of an alloy of Zn with one or more of Ni, Co, Cr and Cu, and on it,
A multi-layer alloy plated steel sheet excellent in corrosion resistance and workability, characterized in that it has a part of the first electroplated layer and a Zn alloy plated layer which is a heat-alloyed Zn powder as the second layer. Two
(3) a pure metal of Ni, Co, Cr, Cu or an alloy electroplating layer composed of two or more of these pure metals as a first layer on a steel plate,
On top of that, as a second layer, a part of the first electroplated layer and
Zn alloy plating layer heat-alloyed of Zn powder, further, a multi-layer alloy plated steel sheet excellent in corrosion resistance and workability, characterized by having a Zn plating layer obtained by heating Zn powder. (4) An electroplated layer of an alloy of Zn with one or more of Ni, Co, Cr and Cu as a first layer on a steel plate, and
As a second layer, a part of the electroplating layer of the first layer, a Zn alloy plating layer which is a heat-alloyed Zn powder, and a Zn plating layer obtained by heating the Zn powder are further provided thereon. A multi-layered alloy-plated steel sheet excellent in corrosion resistance and workability is included in the fourth invention.
本発明に係る耐蝕性、加工性に優れた多層合金めっき鋼
板について以下詳細に説明する。The multilayer alloy-plated steel sheet having excellent corrosion resistance and workability according to the present invention will be described in detail below.
即ち、Zn以外の特定の金属または合金或いはこれらの金
属、合金とZnとの合金を電気めっきした鋼板上にZn粉末
を付着後、電気めっき層の一部が残存するように加熱合
金化して、Zn合金めっき層を有する鋼板は、加工性が大
幅に向上し、また、このZn合金めっき層の上にZn粉末を
加熱したZnめっき層を設けることにより表面光沢も改善
されるものである。That is, a specific metal or alloy other than Zn or these metals, after the Zn powder is deposited on the steel sheet electroplated with an alloy of the alloy and Zn, by heat alloying so that a portion of the electroplated layer remains, A steel sheet having a Zn alloy plating layer has significantly improved workability, and the surface gloss is also improved by providing a Zn plating layer obtained by heating Zn powder on the Zn alloy plating layer.
先ず、本発明に係る耐蝕性、加工性のに優れた多層合金
めっき鋼板の第１層について説明する。First, the first layer of the multilayer alloy-plated steel sheet having excellent corrosion resistance and workability according to the present invention will be described.
好適なめっき法としては、1)めっき欠陥の少ないこと。
2)付着量のコントロールが容易なこと。3)第１層金属ま
たは合金（Znとの合金も含む。）がめっき可能なこと。The preferred plating method is 1) there are few plating defects.
2) It is easy to control the adhesion amount. 3) The first layer metal or alloy (including alloy with Zn) can be plated.
が挙げられる。そして、種々のめっき法を検討したとこ
ろ、通常行なわれている電気めっき法が最適であること
がわかった。Is mentioned. As a result of studying various plating methods, it was found that the electroplating method which is usually performed is the most suitable.
また、電気めっきする金属としては純ZnのようにFeと脆
い合金層を作らず、かつ、Zn粉末と合金化した際Znに比
べ耐蝕性が著しく向上し、さらに、Znと素地鉄との拡散
合金化のバリアー層となり得るものとして、Ni、Co、C
r、Cuの純金属またはこれらの金属の２種以上の合金、
また、上記した純金属、合金とZnとの合金が好適なもの
である。Also, as a metal to be electroplated, unlike Zn, it does not form a brittle alloy layer with Fe, and when alloyed with Zn powder, the corrosion resistance is significantly improved compared to Zn, and the diffusion of Zn and base iron Ni, Co, C as possible barrier layers for alloying
r, Cu pure metals or alloys of two or more of these metals,
Further, the above-mentioned pure metals and alloys of Zn and Zn are preferable.
次に、第２層としては、電気めっき層の一部とZn粉末を
加熱合金化して得られたZn合金めっき層とするのは、拡
散によって得られる合金めっき層は、電気めっき法によ
り得られた合金めっき層に比べて表面の凹凸が大きいた
め、そのアンカー効果により塗膜密着性が向上するから
である。Next, the second layer is a Zn alloy plating layer obtained by heating and alloying a part of the electroplating layer and Zn powder. The alloy plating layer obtained by diffusion is obtained by the electroplating method. Moreover, since the surface roughness is larger than that of the alloy plating layer, the anchor effect improves the coating adhesion.
さらに、第２層の上に第３層としてZn粉末を加熱して得
られたZnめっき層を設けるのは、上記したように、加熱
により加熱合金化させためっき表面は、塗膜密着性は良
好ではあるが、表面光沢に劣る。従って、外観特性が要
求される時には、非拡散層のZn粉末めっき層を設けてお
くのである。ただし、合金粉末では粉末粒子の接触面の
近傍と内部の組成差が生じ易く、耐蝕性が劣化するのに
対し、単一金属の粉末ではこれが防止できるので、粉末
としては純Zn粉末を使用するのである。また、表面光沢
をさらに向上させるためには、加熱前或いは加熱後に冷
間圧延を行うと良い。Furthermore, the Zn plating layer obtained by heating the Zn powder as the third layer is provided on the second layer, as described above. Good but poor surface gloss. Therefore, when the appearance characteristics are required, the Zn powder plating layer of the non-diffusion layer is provided. However, in the alloy powder, the composition difference between the vicinity of the contact surface of the powder particles and the inside tends to occur, and the corrosion resistance deteriorates, whereas this can be prevented with the single metal powder, so pure Zn powder is used as the powder. Of. Further, in order to further improve the surface gloss, cold rolling may be performed before or after heating.
第１図(a)(b)に本発明に係る耐蝕性、加工性に優れた多
層合金めっき鋼板の断面図を示す。FIGS. 1 (a) and 1 (b) are cross-sectional views of a multilayer alloy-plated steel sheet excellent in corrosion resistance and workability according to the present invention.
第１図(a)は素地鉄１の上にNiの電気めっき層２、さら
に、その上に、Zn−Ni合金層３が設けられている。In FIG. 1 (a), a nickel electroplating layer 2 is provided on a base iron 1, and a Zn—Ni alloy layer 3 is further provided thereon.
第１図(b)は素地鉄１の上にNiの電気めっき層２、その
上に、Zn−Ni合金層３、さらに、その上に、Zn粉末によ
るめっき層４が設けられている。In FIG. 1 (b), a Ni electroplating layer 2 is provided on a base iron 1, a Zn-Ni alloy layer 3 is provided thereon, and a Zn powder plating layer 4 is provided thereon.
この本発明に係る耐蝕性、加工性に優れた多層合金めっ
き鋼板の第１図(a)(b)は、ボールインパクト試験による
と、加工性は亀裂、剥離が認められないランク１であ
り、表面光沢は目視により第１図(a)はやや不良、第１
図(b)は良好である。因に、ランク２は亀裂はあるが剥
離は認められない。ランク３は僅かに剥離が認められ
る。５は大部分剥離している（このランクは第２図の場
合も同じである）。FIGS. 1 (a) and (b) of the multi-layered alloy-plated steel sheet excellent in corrosion resistance and workability according to the present invention show that the workability is rank 1 in which cracks and peeling are not recognized by the ball impact test, The surface gloss is visually inferior in Fig. 1 (a).
Figure (b) is good. Incidentally, in Rank 2, there is a crack but no peeling is observed. In Rank 3, slight peeling is recognized. No. 5 is largely peeled off (this rank is the same in the case of FIG. 2 as well).
［実施例］ 本発明に係る耐蝕性、加工性に優れた多層合金めっき鋼
板の実施例を説明する。[Example] An example of the multilayer alloy-plated steel sheet excellent in corrosion resistance and workability according to the present invention will be described.
実施例 板厚0.8mmのアルミニウムキルド鋼を素材とし、第１表
に示す条件によって製造した本発明に係る耐蝕性、加工
性に優れた多層合金めっき鋼板と比較材の各種特性の比
較結果を第２表に示す。Example A comparison result of various properties of a multilayer alloy-plated steel sheet excellent in corrosion resistance and workability according to the present invention, which is manufactured by using an aluminum killed steel sheet having a plate thickness of 0.8 mm under the conditions shown in Table 1, is shown in Table 1. The results are shown in Table 2.
この第２表から、本発明に係る耐蝕性、加工性に優れた
多層合金めっき鋼板は、比較材に比べて加工性に優れて
おり、かつ、他の特性についても同等以上の効果がある
ことがわかる。It can be seen from Table 2 that the multilayer alloy-plated steel sheet according to the present invention having excellent corrosion resistance and workability is superior in workability as compared with the comparative material, and has the same or higher effect in other properties. I understand.
［発明の効果］ 以上説明したように、本発明に係る耐蝕性、加工性に優
れた多層合金めっき鋼板は上記の構成であるから、耐蝕
性および加工性に極めて優れており、さらに、表面光沢
にも優れた効果を有するものである。 [Effects of the Invention] As described above, since the multilayer alloy-plated steel sheet according to the present invention having excellent corrosion resistance and workability has the above-mentioned constitution, it is extremely excellent in corrosion resistance and workability, and further has a surface gloss. It also has an excellent effect.
【図面の簡単な説明】 第１図は本発明に係る耐蝕性、加工性に優れた多層合金
めっき鋼板の概略断面図、第２図は比較例の概略断面図
である。 １，１１……鉄素地、２，１４……電気めっき層、３，
１３，１５……合金層、４……粉末層。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic sectional view of a multilayer alloy-plated steel sheet excellent in corrosion resistance and workability according to the present invention, and FIG. 2 is a schematic sectional view of a comparative example. 1, 11 ... Iron substrate, 2, 14 ... Electroplating layer, 3,
13, 15 ... Alloy layer, 4 ... Powder layer.
Claims (4)
金属またはこれら純金属２種以上からなる合金電気めっ
き層、その上に、第２層として第１層の電気めっき層の
一部とZn粉末の加熱合金化したZn合金めっき層を有して
いることを特徴とする耐蝕性、加工性に優れた多層合金
めっき鋼板。1. An electroplated layer of a pure metal of Ni, Co, Cr or Cu or an alloy electroplated layer consisting of two or more of these pure metals as a first layer on a steel sheet, and an electroplated first layer as a second layer thereon. A multi-layered alloy-plated steel sheet having excellent corrosion resistance and workability, which has a Zn alloy plating layer obtained by heat alloying Zn powder with a part of the plating layer.
種または２種以上と、Znとの合金の電気めっき層、その
上に、第２層として第１層の電気めっき層の一部とZn粉
末の加熱合金化したZn合金めっき層を有していることを
特徴とする耐蝕性、加工性に優れた多層合金めっき鋼
板。2. A first layer of Ni, Co, Cr and Cu on a steel plate.
An electroplated layer of an alloy of Zn with one or more kinds, and a Zn alloy plated layer of Zn powder which is heat-alloyed with a part of the electroplated layer of the first layer as a second layer A multi-layered alloy-plated steel sheet with excellent corrosion resistance and workability.
金属またはこれら純金属２種以上からなる合金電気めっ
き層、その上に、第２層として第１層の電気めっき層の
一部とZn粉末の加熱合金化したZn合金めっき層、さら
に、その上に、Zn粉末を加熱したZnめっき層を有してい
ることを特徴とする耐蝕性、加工性に優れた多層合金め
っき鋼板。3. An electroplated layer of a pure metal of Ni, Co, Cr or Cu or an alloy electroplated layer composed of two or more of these pure metals as a first layer on a steel plate, and an electric layer of the first layer as a second layer thereon. Part of the plating layer and Zn alloy heat-alloyed Zn alloy plating layer, further on, Zn powder heated Zn plating layer, characterized by corrosion resistance, excellent workability Multi-layer alloy plated steel sheet.
種または２種以上と、Znとの合金の電気めっき層、その
上に、第２層として第１層の電気めっき層の一部とZn粉
末の加熱合金化したZn合金めっき層、さらに、その上
に、Zn粉末を加熱したZnめっき層を有していることを特
徴とする耐蝕性、加工性に優れた多層合金めっき鋼板。4. A first layer of Ni, Co, Cr and Cu on a steel plate.
Electroplating layer of an alloy of Zn with two or more kinds, and a Zn alloy plating layer obtained by heat-alloying a part of the electroplating layer of the first layer as a second layer with Zn powder, and further A multilayer alloy-plated steel sheet excellent in corrosion resistance and workability, characterized by having a Zn plating layer formed by heating Zn powder on the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP939587A JPH0639716B2 (en) | 1987-01-19 | 1987-01-19 | Multi-layer alloy plated steel sheet with excellent corrosion resistance and workability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP939587A JPH0639716B2 (en) | 1987-01-19 | 1987-01-19 | Multi-layer alloy plated steel sheet with excellent corrosion resistance and workability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63179083A JPS63179083A (en) | 1988-07-23 |
| JPH0639716B2 true JPH0639716B2 (en) | 1994-05-25 |
Family
ID=11719237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP939587A Expired - Lifetime JPH0639716B2 (en) | 1987-01-19 | 1987-01-19 | Multi-layer alloy plated steel sheet with excellent corrosion resistance and workability |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0639716B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007092786A (en) * | 2005-09-27 | 2007-04-12 | Jtekt Corp | Ball bearing cage and ball bearing |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018009745A1 (en) * | 2018-12-14 | 2020-06-18 | Salzgitter Flachstahl Gmbh | Sheet metal board for the production of a hot-formed and press-hardened sheet steel component as well as hot-forming processes |
-
1987
- 1987-01-19 JP JP939587A patent/JPH0639716B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007092786A (en) * | 2005-09-27 | 2007-04-12 | Jtekt Corp | Ball bearing cage and ball bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63179083A (en) | 1988-07-23 |
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