JPS63134690A - Alloy plated steel material having superior corrosion resistance and workability - Google Patents
Alloy plated steel material having superior corrosion resistance and workabilityInfo
- Publication number
- JPS63134690A JPS63134690A JP27783086A JP27783086A JPS63134690A JP S63134690 A JPS63134690 A JP S63134690A JP 27783086 A JP27783086 A JP 27783086A JP 27783086 A JP27783086 A JP 27783086A JP S63134690 A JPS63134690 A JP S63134690A
- Authority
- JP
- Japan
- Prior art keywords
- steel material
- corrosion resistance
- workability
- plated steel
- alloy
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 28
- 239000010959 steel Substances 0.000 title claims abstract description 28
- 230000007797 corrosion Effects 0.000 title claims abstract description 23
- 238000005260 corrosion Methods 0.000 title claims abstract description 23
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 19
- 239000000956 alloy Substances 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 title claims abstract description 17
- 238000007747 plating Methods 0.000 claims abstract description 27
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 9
- 238000005482 strain hardening Methods 0.000 abstract description 3
- 239000011701 zinc Substances 0.000 description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005491 wire drawing Methods 0.000 description 3
- 229910007570 Zn-Al Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- -1 Aff Substances 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Landscapes
- Electroplating Methods And Accessories (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は亜鉛をベースとするめっき鋼材に関するもので
あり、さらに詳しくは、ＺｎにＡｆｆ、Ｆｅ。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a galvanized steel material based on zinc, and more specifically, Zn, Aff, and Fe.
Ｓｉを含む合金めっき層を有する耐食性および加工性に
すぐれた合金めっき鋼材に関するものである。The present invention relates to an alloy-plated steel material having an alloy plating layer containing Si and having excellent corrosion resistance and workability.
（従来の技術とその問題点）
薄板、形鋼、ボルト鋼線等の鉄鋼材料の耐食性ならびに
加工性の向上を目的として、近年、多くの亜鉛をベース
とする合金めっき技術が開発されている。例えば、特公
昭４６−７１６１号公報にはＺｎ−Ａｌ系、特公昭５４
−３３２２３号公報にはＺｎ−Ａ６−Ｍｇ系、特表昭５
７−５００４７５号公報にはＺｎ−＾ｌ−ミノシュメタ
ル系、特開昭５６−１１２４５２号公報にはＺｎ −Ａ
ｌｌ−Ｎａ系、特開昭５８−１７７４４６号公報にはＺ
ｎ−ＡＥ−５ｉ系、特公昭６０−３３８９２号公報には
Ｚｎ−八ｅ −３１−Ｍｇ系が公表されている。これら
はいずれも加工性、耐食性ともに従来の亜鉛めっきより
優れているものの、最近の過酷な冷間加工あるいは使用
環境にてらし合せて考えると、必ずしも十分な性能を有
しているとは言えない。(Conventional techniques and their problems) In recent years, many zinc-based alloy plating techniques have been developed for the purpose of improving the corrosion resistance and workability of steel materials such as thin plates, shaped steel, and bolt steel wires. For example, in Japanese Patent Publication No. 46-7161, Zn-Al system, Japanese Patent Publication No. 54
-33223 publication contains Zn-A6-Mg system,
No. 7-500475 discloses Zn-^l-minoshmetal system, and JP-A-56-112452 discloses Zn-A.
ll-Na system, JP-A-58-177446 has Z
n-AE-5i series and Zn-8e-31-Mg series are disclosed in Japanese Patent Publication No. 60-33892. Although these are superior to conventional zinc plating in both workability and corrosion resistance, they cannot necessarily be said to have sufficient performance when considered in consideration of recent harsh cold working and use environments.
（発明の目的）
本発明の目的は、めっき層の組成を改良することにより
冷間加工性ならびに耐食性が従来の亜鉛をベースとする
合金めっきにくらべて一段とすぐれた合金めっき鋼材を
提供することにある。(Objective of the Invention) The object of the present invention is to provide an alloy-plated steel material with improved cold workability and corrosion resistance compared to conventional zinc-based alloy plating by improving the composition of the plating layer. be.
（問題点を解決するための手段） すなわち、本発明の要旨は下記のとおりである。(Means for solving problems) That is, the gist of the present invention is as follows.
（１） １５〜４０％の八ｌおよび５〜４０％のＦｅを
含有し、残余が実質的にＺｎからなる合金めっき層を有
することを特徴とする耐食性および加工性にすぐれた合
金めっき鋼材。(1) An alloy-plated steel material with excellent corrosion resistance and workability, characterized by having an alloy plating layer containing 15 to 40% of 8L and 5 to 40% of Fe, with the remainder essentially consisting of Zn.
（２） １５〜４０％のＡｊ２． ５〜４０％のＦｅ、
および０．５〜７％のＳｉを含有し、残余が実質的にＺ
ｎからなる合金めっき層を有することを特徴とする耐食
性および加工性にすぐれた合金めっき鋼材。(2) 15-40% Aj2. 5-40% Fe,
and 0.5 to 7% Si, with the remainder being substantially Z.
An alloy plated steel material with excellent corrosion resistance and workability, characterized by having an alloy plated layer consisting of n.
以下、本発明にかかわるめっき層成分について説明する
。Hereinafter, the components of the plating layer related to the present invention will be explained.
Ａ７’含有量に関しては、ＡＮは耐食性に有効な元素で
あるためＡｌ含有量が１５％未満では耐食性を保証する
ことができず、一方、４０％を越えると冷間加工性が劣
化する。よって、へβ含有量は１５〜４０％とする。Regarding the A7' content, AN is an effective element for corrosion resistance, so if the Al content is less than 15%, corrosion resistance cannot be guaranteed, while if it exceeds 40%, cold workability deteriorates. Therefore, the β content is set to 15 to 40%.
Ｆｅ含有量に関しては、Ｆｅ含有量が５％未満では冷間
加工性が不十分であり、一方、４０％を越えると耐食性
を保証することができない。よって、Ｆｅ含有量は５〜
４０％とする。Regarding the Fe content, if the Fe content is less than 5%, cold workability will be insufficient, while if it exceeds 40%, corrosion resistance cannot be guaranteed. Therefore, the Fe content is 5~
It shall be 40%.
Ｓｉは耐食性を向上させる元素であり、含有量が０．５
％未満ではこの効果は期待できず、また、７％を越える
と耐食性向上効果は飽和するため、その含有量は０．５
〜７％とする。Si is an element that improves corrosion resistance, and the content is 0.5
If the content is less than 0.5%, this effect cannot be expected, and if it exceeds 7%, the corrosion resistance improvement effect will be saturated.
~7%.
（実施例）
３．２龍の普通炭素鋼線に電気めっき法によりＺｎ−Ｆ
ｅめっきを施し、次いで、このめっき層に拡散浸透法に
よりＡＩとＳｉを含有せしめた。なお、２種類の比較鋼
は溶融めっき法で製造した。(Example) 3.2 Zn-F was applied to ordinary carbon steel wire by electroplating
E-plating was applied, and then this plating layer was made to contain AI and Si by a diffusion infiltration method. Note that the two types of comparative steel were manufactured by a hot-dip plating method.
耐食性の評価は、Ｌ ０００時間の塩水噴霧（ＪＩＳＺ
２３７１）における腐食減量を純亜鉛めっきと比較す
る方法で行ない、下記（１）式を以って定量化した。Corrosion resistance was evaluated using salt spray (JISZ) for L 000 hours.
The corrosion weight loss in 2371) was compared with that of pure zinc plating, and was quantified using the following equation (1).
また、めっき層の冷間加工性の評価は以下の方法で行な
った。Furthermore, the cold workability of the plating layer was evaluated by the following method.
めっき鋼線をダイスを用いて１バス当り約２０％の減面
率で伸線し、各パス毎にめっき層断面を光学顕微鏡で観
察することにより、（２）式で示す伸線加工限界をもっ
てめっき層の冷間加工性を評価した。By drawing a plated steel wire using a die at a reduction rate of approximately 20% per pass, and observing the cross section of the plating layer with an optical microscope after each pass, the wire drawing processing limit shown by equation (2) can be determined. The cold workability of the plating layer was evaluated.
ここでｄＯ：めっき鋼線（素線）の直径（ｍ）ｄ：めっ
き層にミクロクラックが発生したときの鋼線直径（ｍｍ
）
表１で荀１〜隘６はＡＪ含有量について、また、Ｎ１７
〜ｌ１ｉｆｌｌｌはＲｅ含有量について、さらにＩＶｈ
１２〜寛１７はＳｉ含有量について、それらが耐食性お
よび加工性におよぼす影響を示したものである。Here, dO: Diameter of the plated steel wire (strand) (m) d: Diameter of the steel wire when microcracks occur in the plating layer (mm)
) In Table 1, Xun 1 to 6 are about AJ content and N17
〜l1ifllll is about Re content, and IVh
Nos. 12 to 17 show the influence of Si content on corrosion resistance and processability.
阻１８および１１ｈ１９は比較とするＺｎ−Ａｌ系合金
めっき鋼線である。18 and 11h19 are Zn-Al alloy plated steel wires for comparison.
表１に示すように、Ａｊ２含有量を１６〜３６％とする
ことにより、またＦｅ含有量を７〜３５％とすることに
より、耐食性が２．７倍以上、かつ、伸線加工限界が７
８％以上と比較鋼にくらべて大幅にすぐれた性能を有す
るめっきｆ！ｉＪ線が得られる。As shown in Table 1, by setting the Aj2 content to 16 to 36% and the Fe content to 7 to 35%, the corrosion resistance is 2.7 times or more, and the wire drawing limit is 7.
Plating f! which has significantly superior performance compared to comparative steel at 8% or more! iJ line is obtained.
また、隘９とｌ’１ｈ１２を比較するとＳｉを０．３％
添加してもその効果はみとめられないが、０．７％以上
添加した階１３〜１ｌｈ１７では耐食性が著しく向上す
る。しかし、１ｌｈ１６と患１７では耐食性に差がみと
められず、これよりＳｉの添加効果は約７％で飽和する
ことがわかる。Also, when comparing 隘9 and l'1h12, the Si content is 0.3%.
Although no effect is observed even if it is added, the corrosion resistance is significantly improved in floors 13 to 1lh17 where 0.7% or more is added. However, no difference in corrosion resistance was observed between 1lh16 and No. 17, indicating that the effect of Si addition was saturated at about 7%.
表 １ めっき層組成およびめっき性能ｄＯ：め
っき臨（素稀の直径（龍）
ｄ：めっき層にミクロクラフ久が発生したときの＊直径
（鶴）（発明の効果）
以上述べてきた如く、本発明において規定する範囲の成
分からなる合金めっき層を有する鋼線は耐食性がきわめ
て良好であり、腐食の激しい環境でも使用でき、また、
伸線加工という著しく過酷な冷間加工にも十分耐えうる
すぐれた加工性を有するため、曲げ加工やプレス加工を
行なってもめっき層の剥離やクラックは生じない。Table 1 Plating layer composition and plating performance dO: Plating stage (primary diameter (dragon)) d: *Diameter when microcracks occur in the plating layer (crane) (effects of the invention) As described above, the present invention Steel wires with an alloy plating layer consisting of components within the range specified in
Because it has excellent workability that can sufficiently withstand extremely severe cold working such as wire drawing, peeling or cracking of the plating layer does not occur even when bending or pressing is performed.
以上、鋼線について述べてきたが、ＦｉｌＪＥ板、形鋼
、棒鋼、ボルトなど一般の鋼材についても同様な合金め
っきを行なうことで、耐食性ならびに加工性の良好な合
金めっき鋼材を得ることが可能である。Although we have described steel wires above, it is possible to obtain alloy-plated steel materials with good corrosion resistance and workability by performing similar alloy plating on general steel materials such as FilJE plates, shaped steel, steel bars, and bolts. be.
Claims (2)
有し、残余が実質的にＺｎからなる合金めっき層を有す
ることを特徴とする耐食性および加工性にすぐれた合金
めっき鋼材。(1) An alloy-plated steel material with excellent corrosion resistance and workability, characterized by having an alloy plating layer containing 15-40% Al and 5-40% Fe, with the remainder essentially consisting of Zn.
０．５〜７％のＳｉを含有し、残余が実質的にＺｎから
なる合金めっき層を有することを特徴とする耐食性およ
び加工性にすぐれた合金めっき鋼材。(2) Corrosion resistance characterized by having an alloy plating layer containing 15 to 40% Al, 5 to 40% Fe, and 0.5 to 7% Si, with the remainder essentially consisting of Zn. Alloy plated steel material with excellent workability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61277830A JPH0776437B2 (en) | 1986-11-22 | 1986-11-22 | Alloy steel with excellent corrosion resistance and workability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61277830A JPH0776437B2 (en) | 1986-11-22 | 1986-11-22 | Alloy steel with excellent corrosion resistance and workability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63134690A true JPS63134690A (en) | 1988-06-07 |
| JPH0776437B2 JPH0776437B2 (en) | 1995-08-16 |
Family
ID=17588859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61277830A Expired - Lifetime JPH0776437B2 (en) | 1986-11-22 | 1986-11-22 | Alloy steel with excellent corrosion resistance and workability |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0776437B2 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5677354A (en) * | 1979-11-27 | 1981-06-25 | Chuetsu Gokin Chuko Kk | Brass alloy with superior oxidation resistance at high temperature |
| JPS56108848A (en) * | 1980-01-29 | 1981-08-28 | Mitsubishi Metal Corp | Zinc alloy for hot dipping |
| JPS5751238A (en) * | 1980-09-09 | 1982-03-26 | Res Inst Electric Magnetic Alloys | Damping a -zn alloy with high damping capacity and its manufacture |
| JPS6043477A (en) * | 1983-08-18 | 1985-03-08 | Nisshin Steel Co Ltd | Hot dip galvanized steel sheet having superior resistance to stripping due to corrosion |
| JPS61204361A (en) * | 1985-03-08 | 1986-09-10 | Nippon Steel Corp | Vibration-damping material having excellent press formability |
-
1986
- 1986-11-22 JP JP61277830A patent/JPH0776437B2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5677354A (en) * | 1979-11-27 | 1981-06-25 | Chuetsu Gokin Chuko Kk | Brass alloy with superior oxidation resistance at high temperature |
| JPS56108848A (en) * | 1980-01-29 | 1981-08-28 | Mitsubishi Metal Corp | Zinc alloy for hot dipping |
| JPS5751238A (en) * | 1980-09-09 | 1982-03-26 | Res Inst Electric Magnetic Alloys | Damping a -zn alloy with high damping capacity and its manufacture |
| JPS6043477A (en) * | 1983-08-18 | 1985-03-08 | Nisshin Steel Co Ltd | Hot dip galvanized steel sheet having superior resistance to stripping due to corrosion |
| JPS61204361A (en) * | 1985-03-08 | 1986-09-10 | Nippon Steel Corp | Vibration-damping material having excellent press formability |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0776437B2 (en) | 1995-08-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |