JPS63100184A - Corrosion resistant steel sheet - Google Patents
Corrosion resistant steel sheetInfo
- Publication number
- JPS63100184A JPS63100184A JP24485186A JP24485186A JPS63100184A JP S63100184 A JPS63100184 A JP S63100184A JP 24485186 A JP24485186 A JP 24485186A JP 24485186 A JP24485186 A JP 24485186A JP S63100184 A JPS63100184 A JP S63100184A
- Authority
- JP
- Japan
- Prior art keywords
- steel sheet
- paint
- corrosion resistance
- steel plate
- recesses
- 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.)
- Granted
Links
- 239000010935 stainless steel Substances 0.000 title abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 239000003973 paint Substances 0.000 claims abstract description 42
- 238000005260 corrosion Methods 0.000 claims abstract description 25
- 230000007797 corrosion Effects 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 abstract description 5
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 abstract description 5
- 239000008397 galvanized steel Substances 0.000 abstract description 5
- 229920000180 alkyd Polymers 0.000 abstract description 4
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 abstract description 4
- 229910000165 zinc phosphate Inorganic materials 0.000 abstract description 4
- 239000010960 cold rolled steel Substances 0.000 abstract description 3
- 229910000398 iron phosphate Inorganic materials 0.000 abstract description 3
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 abstract description 3
- 229920000728 polyester Polymers 0.000 abstract description 3
- -1 fluororesin Polymers 0.000 abstract description 2
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 2
- 239000004925 Acrylic resin Substances 0.000 abstract 1
- 229920000178 Acrylic resin Polymers 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 230000002542 deteriorative effect Effects 0.000 abstract 1
- 229920002050 silicone resin Polymers 0.000 abstract 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 9
- 229910052804 chromium Inorganic materials 0.000 description 9
- 239000011651 chromium Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 238000000576 coating method Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 6
- 241001163841 Albugo ipomoeae-panduratae Species 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 239000000049 pigment Substances 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 229920000877 Melamine resin Polymers 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分計）
本発明は主としてアース取りや通電、電気溶接等導電性
を要する用途に用いられる鋼板で、鋼板の特徴の１つで
ある導電性を損なうことなく耐食性を向上した鋼板に関
する。Detailed Description of the Invention (Industrial Applicability) The present invention is a steel plate that is mainly used for applications that require electrical conductivity such as grounding, current carrying, and electric welding. This invention relates to a steel plate with improved corrosion resistance without sacrificing corrosion resistance.
〔従来技術及び発明が解決しようとする問題点〕鋼板は
多くの特徴を有し広い範囲で使用されているが、その多
くの特徴の中でも導電性は重要な特徴の１つでアース取
りや通電、電気溶接等利用分野は多い。一方、鋼板には
さびるという問題が常に存する。[Prior art and problems to be solved by the invention] Steel plates have many characteristics and are used in a wide range of areas.Among these many characteristics, conductivity is one of the most important characteristics, such as grounding and energizing. It is used in many fields such as electric welding. On the other hand, steel plates always have the problem of rust.
これに対し、導電性を確保するため未処理のままの使用
では耐食性の要求に応えられない。On the other hand, if it is used untreated to ensure conductivity, it will not be able to meet the requirements for corrosion resistance.
また、塗料に導電性塗料を使用する方法（例えば特開昭
５７−１８９８４３）では導電性が不十分であり、かつ
、高価なためコスト高となる。また、鋼板に代えアルミ
板等他の金属板を使用する方法では鋼板に比べかなり導
電性が劣る上強度等他の性能も劣ってしまう。Furthermore, the method of using a conductive paint (for example, Japanese Patent Laid-Open No. 57-189843) has insufficient conductivity and is expensive, resulting in high costs. Furthermore, in a method of using another metal plate such as an aluminum plate instead of a steel plate, the conductivity is considerably inferior to that of a steel plate, and other properties such as strength are also inferior.
（問題点を解決するための手段）
本発明はこれらの問題点に鑑み、鋼板の導電性をはじめ
とする各種特徴を損なわずに耐食性を有する鋼板を提供
するもので、その要旨とするところは、鋼板表面の凹凸
の凹部全容積の５〜８０％を塗料で埋め凸部を未処理で
残すことによって得られる耐食性を有する鋼板である。(Means for Solving the Problems) In view of these problems, the present invention provides a steel plate that has corrosion resistance without impairing the various characteristics of the steel plate, including its electrical conductivity. This is a steel plate having corrosion resistance obtained by filling 5 to 80% of the total volume of the concave portions of the unevenness on the surface of the steel plate with paint and leaving the convex portions untreated.
本発明において、鋼板表面の凹部全容積に対する塗料付
着量の割合は、単位面積当りの塗料体積を、単位面積当
りの鋼板表面の凹部全容積で除算した値である。In the present invention, the ratio of the amount of paint deposited to the total volume of recesses on the steel plate surface is the value obtained by dividing the paint volume per unit area by the total volume of recesses on the steel plate surface per unit area.
単位面積当りの塗料体積は、重量法あるいは塗料中にク
ロムを含有させ蛍光Ｘ線によってクロムの付着量を測定
し塗料の付着量に換算する方法により塗料付着量を測定
し！？！膜比重比重塗料体積に換算した値である。The volume of paint per unit area can be determined by measuring the amount of paint deposited by the gravimetric method or by adding chromium to the paint, measuring the amount of chromium deposited using fluorescent X-rays, and converting it to the amount of paint deposited! ? ! This is the value converted to the specific gravity of the film and the volume of the paint.
単位面積当りの鋼板表面の凹部全容積は次の手順により
測定した値である。The total volume of recesses on the steel plate surface per unit area is a value measured by the following procedure.
■鋼板の圧延方向、幅方向それぞれ５箇所ずつを任意に
選び鋼板表面の凹凸の状態を粗度計を使ってチャート紙
に表わす。測定距離は２０ｍｍとする。■5 points each in the rolling direction and width direction of the steel plate are randomly selected and the unevenness of the steel plate surface is expressed on chart paper using a roughness meter. The measurement distance is 20 mm.
■チャート紙に表わされた鋼板表面の凹凸の状態それぞ
れについて画像処理装置を使って凹部の断面積を測定す
る。(2) Measure the cross-sectional area of the recesses using an image processing device for each uneven state of the steel plate surface shown on the chart paper.
■鋼板の圧延方向、幅方向それぞれ夫々５箇所ずつにつ
いて測定した断面積を加算し、これを鋼板表面上の距１
１２００ｍｍ当りの代表的な断面積とする。■Add the cross-sectional areas measured at five locations each in the rolling direction and width direction of the steel plate, and add this to the distance 1 on the steel plate surface.
The typical cross-sectional area is 1200 mm.
０２００ｍｍに乗算すると単位面積になるような長さを
■までに測定した代表的な断面積に乗算し、これを単位
面積当りの鋼板表面の凹部全容積とする。Multiply the typical cross-sectional area measured up to (■) by the length that gives a unit area when multiplied by 0200 mm, and use this as the total volume of the recesses on the steel plate surface per unit area.
本発明の鋼板としては例えば冷延鋼板、溶融亜鉛めっき
鋼板、電気亜鉛めっき鋼板、合金めっき鋼板、ステンレ
ス鋼板、電解クロム酸処理鋼板（ＴＦＳ）等が挙げられ
る。Examples of the steel sheet of the present invention include cold-rolled steel sheet, hot-dip galvanized steel sheet, electrogalvanized steel sheet, alloy-plated steel sheet, stainless steel sheet, and electrolytic chromic acid treated steel sheet (TFS).
鋼板はクロメート系、リン酸亜鉛系、リン酸鉄系等の化
成処理を行なうことにより耐食性が向上するので、この
ような化成処理を行うことがより好ましい。Corrosion resistance of the steel sheet is improved by subjecting it to chemical conversion treatment such as chromate-based, zinc phosphate-based, iron phosphate-based, etc., so it is more preferable to perform such chemical conversion treatment.
鋼板表面の凹凸の大きさは通常１Ｏ−２〜数ミクロン程
度である。The size of the unevenness on the surface of the steel plate is usually about 10-2 to several microns.
塗装に用いる塗料は特に限定されるものではなく、例え
ばメラミン・アルキッド系、ポリエステル系、フッ素系
、アクリル系、シリコン・ポリスチル系、エポキシ系、
ウレタン系等が挙げられる。The paint used for painting is not particularly limited, and examples include melamine/alkyd, polyester, fluorine, acrylic, silicone/polystyl, epoxy,
Examples include urethane-based materials.
塗料には必要に応じて防錆顔料やその他の顔料、あるい
は滑剤等の添加剤を含んでいてもよい。防錆顔料として
は例えばクロム系、ストロンチウム系等、その他の顔料
としては黄酸化鉄、ベンガラ、フタロシアニンブルー、
カーボンブラック、酸化チタン等が挙げられる。The paint may contain additives such as anti-rust pigments, other pigments, or lubricants, if necessary. Examples of antirust pigments include chromium-based and strontium-based pigments; other pigments include yellow iron oxide, red iron oxide, phthalocyanine blue,
Examples include carbon black and titanium oxide.
滑剤としては例えばポリエチレン系等が挙げられる。Examples of the lubricant include polyethylene.
塗料は固形分が２５％以下のものが好ましい。The paint preferably has a solids content of 25% or less.
塗料の付着量は鋼板表面の凹凸の凹部全容積に５〜８０
％に相当する量が好ましい。５％以下では耐食性が不十
分となり、８０％以上では導電性が不十分となるからで
ある。The amount of paint applied is 5 to 80% to the total volume of the concavities and convexities on the surface of the steel plate.
% is preferred. This is because if it is less than 5%, the corrosion resistance will be insufficient, and if it is more than 80%, the conductivity will be insufficient.
（作 用）
本発明においては、鋼板表面の凹凸の凹部全容積の５〜
８０％を塗料で埋めることによって鋼板が持つ導電性を
損なうことなく耐食性が向上する。すなわち凹部全容積
の５〜８０％を塗料で埋めることにより、鋼板の凸部を
残してほぼ銅板全体が塗料で覆われ、鋼板表面の水や酸
素との接触面積が極めて少なくなり耐食性は向上する。(Function) In the present invention, the total volume of the recesses of the unevenness on the surface of the steel plate is
By filling 80% with paint, corrosion resistance is improved without impairing the electrical conductivity of the steel plate. In other words, by filling 5 to 80% of the total volume of the recesses with paint, almost the entire copper plate is covered with paint, leaving only the protrusions on the steel plate, and the contact area with water and oxygen on the surface of the steel plate is extremely reduced, improving corrosion resistance. .
又、鋼板表面上で未処理となりた凸部がアース端子、通
電端子及び溶接端子等と接触することにより鋼板の持つ
導電性を十分利用することができる。Furthermore, the untreated convex portions on the surface of the steel plate come into contact with a ground terminal, a current-carrying terminal, a welding terminal, etc., so that the electrical conductivity of the steel plate can be fully utilized.
（実施例）
実施例１
溶融亜鉛めっき鋼板（亜鉛付着量１８３ｇ／ｍ”）にク
ロメート系化成処理を施した（全クロム量３０ｍｇ／ｍ
’） 、これにロールコート方式でメラミン・アルキッ
ド系塗料を、コーティング条件や塗料の固形分を調整し
て付着量を変えて塗装した。耐食性および導電性の試験
結果を第１図に示す。(Example) Example 1 A chromate-based chemical conversion treatment was applied to a hot-dip galvanized steel sheet (zinc coating amount: 183 g/m") (total chromium amount: 30 mg/m").
'), melamine/alkyd paint was applied to this using a roll coating method, adjusting the coating conditions and solid content of the paint to vary the amount of adhesion. The test results for corrosion resistance and conductivity are shown in Figure 1.
耐食性はＪＩＳ Ｚ ２３７１ニよす１９２時間塩水”
Ａｎ試験を行なった後に表面に発生した錆の発生率で評
価した。Corrosion resistance is JIS Z 2371 Niyosu 192 hours salt water
Evaluation was made based on the rate of rust generated on the surface after conducting the An test.
導電性は三菱油化株式会社製ＭＣＰ−ＴＥＳＴＥＲ及び
同社製ＭＣＰプローブを使用して表面抵抗値を口
測定した。ブ鶏−ブは２探針４端子式のものを使用した
。測定値は同一試料を５回測定し最大値、最小値を除い
た３回の平均値とした。The conductivity was determined by measuring the surface resistance value using MCP-TESTER manufactured by Mitsubishi Yuka Co., Ltd. and an MCP probe manufactured by the same company. A 2-probe, 4-terminal type probe was used. The measurement value was determined by measuring the same sample five times and taking the average value of the three measurements excluding the maximum and minimum values.
鋼板表面の凹部全容積に対する塗料付着量の割合は単位
面積当りの塗料体積を、単位面積当りの鋼板表面の凹部
全容積で除算した値とした。The ratio of the amount of paint deposited to the total volume of recesses on the surface of the steel sheet was determined by dividing the volume of paint per unit area by the total volume of recesses on the surface of the steel sheet per unit area.
単位面積当りの塗料体積は、重量法あるいは塗料中にク
ロムを含有させ蛍光Ｘ線によってクロムの付着量を測定
し塗料の付着量に換算する方法により塗料付着量を測定
し塗膜比重より塗料体積に換算した。The paint volume per unit area is calculated by measuring the amount of paint adhered by the gravimetric method or by adding chromium into the paint, measuring the amount of chromium adhered using fluorescent X-rays, and converting it to the amount of paint adhered, and calculating the paint volume from the specific gravity of the paint film. It was converted into
単位面積当りの鋼板表面の凹部全容積は次の手順により
測定した。The total volume of recesses on the surface of the steel plate per unit area was measured by the following procedure.
■鋼板の圧延方向、幅方向それぞれ５箇所ずつを任意に
選び鋼板表面の凹凸の状態を粗度計を使ってチャート紙
に表わした。測定距離は２０ｍｍとした。■Five locations in each of the rolling direction and width direction of the steel plate were arbitrarily selected and the unevenness of the steel plate surface was expressed on chart paper using a roughness meter. The measurement distance was 20 mm.
■チャート紙に表わされた鋼板表面の凹凸の状態それぞ
れについて画像処理装置を使って凹部の断面積を測定し
た。■The cross-sectional area of the recesses was measured using an image processing device for each state of unevenness on the surface of the steel plate shown on the chart paper.
■鋼板の圧延方向、幅方向それぞれ夫々５箇所ずつにつ
いて測定した断面積を加算し、これを鋼板表面上の距１
ｌｌｉ ２００ｍｍ当りの代表的な断面積とした。■Add the cross-sectional areas measured at five locations each in the rolling direction and width direction of the steel plate, and add this to the distance 1 on the steel plate surface.
A typical cross-sectional area per lli 200 mm was used.
０２００ｍｍに乗算すると単位面積になるような長さを
■までに測定した代表的な断面積に乗算し、これを単位
面積当りの鋼板表面の凹部全容積とした。The typical cross-sectional area measured up to (■) was multiplied by a length that would give a unit area when multiplied by 0200 mm, and this was taken as the total volume of the recesses on the steel plate surface per unit area.
実施例２
冷延鋼板にクロメート系化成処理を施した（全クロム量
５０Ｂ／ｍ”）。これにロールコート方式でポリエステ
ル系塗料をコーティング条件や塗料の固形分を調整して
付着量を変えて塗装した。耐食性および導電性の試験結
果を第２図に示す。Example 2 A chromate-based chemical conversion treatment was applied to a cold-rolled steel sheet (total chromium content: 50 B/m''). Polyester-based paint was applied to this using a roll coating method, and the amount of adhesion was varied by adjusting the coating conditions and the solid content of the paint. The test results for corrosion resistance and conductivity are shown in Figure 2.
導電性及び鋼板表面の凹部全容積に対する塗料付着量の
割合の測定方法は実施例１と同様に行なった。The methods for measuring the conductivity and the ratio of the amount of paint deposited to the total volume of the recesses on the surface of the steel plate were carried out in the same manner as in Example 1.
耐食性は温度４９±１℃、湿度９５％以上の雰囲気中に
１５０時間放置後表面に発生した錆の発生率で評価した
。Corrosion resistance was evaluated by the incidence of rust on the surface after being left for 150 hours in an atmosphere with a temperature of 49±1° C. and a humidity of 95% or more.
実施例３
電気亜鉛めっき鋼板（亜鉛付着量４０ｇ／ｒｎ”）にリ
ン酸亜鉛系化成処理を０．５ｇ／ｒｒＩ″施した。これ
に浸漬方式でアクリル塗料を塗料の固形分を調整して付
着量を変えて塗装した。耐食性および導電性の試験結果
を第３図に示す。Example 3 A zinc phosphate-based chemical conversion treatment was applied to an electrogalvanized steel sheet (zinc coating amount: 40 g/rn") at a rate of 0.5 g/rrI". Acrylic paint was applied to this by dipping, adjusting the solid content of the paint and varying the amount of adhesion. The test results for corrosion resistance and conductivity are shown in FIG.
耐食性の評価方法、導電性及び鋼板表面の凹部全容積に
対する塗料付着量の割合の測定方法は実施例１と同様に
行なった。The evaluation method for corrosion resistance, the method for measuring conductivity and the ratio of the amount of paint deposited to the total volume of the recesses on the surface of the steel plate were performed in the same manner as in Example 1.
実施例４
亜鉛付着量１２０ｇ／ｍ’の溶融亜鉛めっき鋼板に化成
処理としてクロメート系（クロム付着量３ｏｍｇ／ｒｎ
”） 、リン酸亜鉛系 （付着量ｏ、２ｇ／ｍ’）リン
酸鉄系（付着量０．２ｇ／ｒｎ’）をそれぞれ施したも
の、及び化成処理を行なわない試料を作成した。これら
にそれぞれメラミン・アルキッド系塗料を鋼板表面の凹
部全容積の２０％及び７０％の付着量になるようにロー
ルコータ−で塗装した。耐食性および導電性の試験結果
を第１表に示す。Example 4 A chromate-based chemical conversion treatment was applied to a hot-dip galvanized steel sheet with a zinc coating amount of 120 g/m'
”), zinc phosphate type (deposition amount o, 2 g/m'), iron phosphate type (deposition amount 0.2 g/rn'), and samples without chemical conversion treatment were prepared. The melamine/alkyd paints were applied using a roll coater so that the coating amount was 20% and 70% of the total volume of the recesses on the surface of the steel plate, respectively.Table 1 shows the test results for corrosion resistance and conductivity.
鋼板表面の凹部全容積に対する塗料付着量の割合の測定
方法は実施例１と同様に行なった。The method for measuring the ratio of the amount of paint deposited to the total volume of the recesses on the surface of the steel plate was carried out in the same manner as in Example 1.
導電性の測定は実施例１と同様に行ない、その評価は次
のとおりとした。The conductivity was measured in the same manner as in Example 1, and the evaluation was as follows.
Ｏ表面抵抗値が１．ＯＸ １０−１Ω未満× 表面抵
抗値が１．ＯＸ １０３以上以上性の試験は実施例１と
同様に行ない、その評価は次のとおりとした。O surface resistance value is 1. OX Less than 10-1Ω × Surface resistance value is 1. The test for OX 103 or higher was conducted in the same manner as in Example 1, and the evaluation was as follows.
Ｏ白錆の発生率が１０％未満
○〜△ 白錆の発生率が１０％以上〜３３％未満Δ
白錆の発生率が３３％以上〜５０％未満Δ〜× 白錆の
発生率が５０％以上〜７０％未満× 白錆の発生率が
７０％以上
第１表
（効 果〕
本発明によれば、鋼板の持つ導電性を十分利用すること
ができると共に耐食性も十分備えた鋼板を得ることが出
来、その効果は極めて大なるものである。O The incidence of white rust is less than 10%○~△ The incidence of white rust is 10% or more and less than 33%Δ
The incidence of white rust is 33% or more and less than 50% Δ~ × The incidence of white rust is 50% or more and less than 70% × The incidence of white rust is 70% or more Table 1 (Effects) According to the present invention For example, it is possible to make full use of the electrical conductivity of the steel plate, and at the same time, it is possible to obtain a steel plate that has sufficient corrosion resistance, and the effect is extremely large.
第１図は実施例１についての耐食性および導電性の試験
結果を示す図、第２図は実施例２についての耐食性およ
び導電性の試験結果を示す図、第３図は実施例３につい
ての耐食性および導電性の試験結果を示す図である。
哨＠★！ｉ１＄
＠≠う填属）涌Ｋ）（Ｄ烟虻ド蛙芭
鳴＠嬌≦惇９
＠＜ｖ＠褐瓢藷鴎Ｃ１痩紳繁琶
手続補正書
昭和ｂ＞年す１１日
事件との関係 出 願 人
４、代 理 人
住 所 東京都千代田区丸の内２丁目６番２号丸の内
へ重洲ビル３３０−−・
８、補正の内容 別紙のとおり
補 正 書
本願明細書中下記事項を補正致します。
記
１、第５頁２行目〜３行目に
「クロム系、ストロンチウム系等」とあるな「クロム系
等」と訂正する。
２、第５頁１２行目に
「不十分となるからである。」とあるな「不十分となる
からである。塗料付着用は凹部全容積の１０〜７０％が
より好ましい。」と訂正する。Figure 1 shows the test results of corrosion resistance and conductivity for Example 1, Figure 2 shows the test results of corrosion resistance and conductivity for Example 2, and Figure 3 shows the corrosion resistance of Example 3. FIG. 3 is a diagram showing the results of a conductivity test. Watch@★! i1$ @≠Ufillment) WakuK) (D. Related Applicant 4, Agent Address: 330 Marunouchi Shigesu Building, 2-6-2 Marunouchi, Chiyoda-ku, Tokyo 8. Contents of the Amendment Amended as shown in the attached document Amended the following matters in the specification of the present application Note 1. In lines 2 and 3 of page 5, "Chromium-based, strontium-based, etc." should be corrected to "chromium-based, etc." 2. In line 12 of page 5, "Insufficient" ``This is because it becomes insufficient.'' It is corrected to ``This is because it becomes insufficient.For paint adhesion, 10 to 70% of the total volume of the recess is more preferable.''
Claims (1)
め凸部を未処理とすることにより得られる耐食性を有す
る鋼板。 ２塗料と金属板の間に化成処理を施すことを特徴とする
特許請求の範囲第１項に記載の耐食性を有する鋼板。[Scope of Claims] 1. A steel plate having corrosion resistance obtained by filling 5 to 80% of the total volume of the concave portions on the surface of the steel plate with paint and leaving the convex portions untreated. 2. A steel plate having corrosion resistance according to claim 1, wherein a chemical conversion treatment is performed between the paint and the metal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61244851A JPH0657871B2 (en) | 1986-10-15 | 1986-10-15 | Steel plate with both corrosion resistance and conductivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61244851A JPH0657871B2 (en) | 1986-10-15 | 1986-10-15 | Steel plate with both corrosion resistance and conductivity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63100184A true JPS63100184A (en) | 1988-05-02 |
| JPH0657871B2 JPH0657871B2 (en) | 1994-08-03 |
Family
ID=17124920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61244851A Expired - Fee Related JPH0657871B2 (en) | 1986-10-15 | 1986-10-15 | Steel plate with both corrosion resistance and conductivity |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0657871B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06246661A (en) * | 1993-03-01 | 1994-09-06 | Nec Corp | Cooperating action control device for a plurality of robots |
| US20130206603A1 (en) * | 2011-06-29 | 2013-08-15 | Henkel Ag & Co. Kgaa | Electrolytic freezing of zinc surfaces |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5853437A (en) * | 1981-09-24 | 1983-03-30 | 日新製鋼株式会社 | Welding painted steel plate and its manufacture |
-
1986
- 1986-10-15 JP JP61244851A patent/JPH0657871B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5853437A (en) * | 1981-09-24 | 1983-03-30 | 日新製鋼株式会社 | Welding painted steel plate and its manufacture |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06246661A (en) * | 1993-03-01 | 1994-09-06 | Nec Corp | Cooperating action control device for a plurality of robots |
| US20130206603A1 (en) * | 2011-06-29 | 2013-08-15 | Henkel Ag & Co. Kgaa | Electrolytic freezing of zinc surfaces |
| US9309602B2 (en) * | 2011-06-29 | 2016-04-12 | Henkel Ag & Co. Kgaa | Electrolytic iron metallizing of zinc surfaces |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0657871B2 (en) | 1994-08-03 |
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