JP2021038416A - フラックスおよびそれを用いる溶融Zn−Al−Mg系めっき鋼成形品の製造方法 - Google Patents
フラックスおよびそれを用いる溶融Zn−Al−Mg系めっき鋼成形品の製造方法 Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 113
- 239000010959 steel Substances 0.000 title claims abstract description 113
- 229910018134 Al-Mg Inorganic materials 0.000 title claims abstract description 82
- 229910018467 Al—Mg Inorganic materials 0.000 title claims abstract description 82
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title abstract description 42
- 238000000465 moulding Methods 0.000 title abstract description 4
- 230000004907 flux Effects 0.000 claims abstract description 204
- 238000007747 plating Methods 0.000 claims abstract description 150
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 58
- 239000000203 mixture Substances 0.000 claims abstract description 50
- 150000001805 chlorine compounds Chemical group 0.000 claims abstract description 17
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims abstract description 11
- 229910001617 alkaline earth metal chloride Inorganic materials 0.000 claims abstract description 9
- 230000009257 reactivity Effects 0.000 claims abstract description 9
- 150000001875 compounds Chemical group 0.000 claims abstract description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 74
- 239000000463 material Substances 0.000 claims description 44
- 239000011780 sodium chloride Substances 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M potassium chloride Inorganic materials [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 10
- 229910052797 bismuth Inorganic materials 0.000 claims description 4
- 229910052745 lead Inorganic materials 0.000 claims description 4
- 229910052718 tin Inorganic materials 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 10
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 abstract description 6
- 239000011592 zinc chloride Substances 0.000 abstract description 4
- 235000005074 zinc chloride Nutrition 0.000 abstract description 4
- 238000007598 dipping method Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 88
- 238000012360 testing method Methods 0.000 description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 18
- 238000011156 evaluation Methods 0.000 description 16
- 239000011777 magnesium Substances 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 15
- 239000007864 aqueous solution Substances 0.000 description 11
- 230000007547 defect Effects 0.000 description 7
- 238000005246 galvanizing Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 239000007791 liquid phase Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 239000011701 zinc Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- 229910001315 Tool steel Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- FGDZQCVHDSGLHJ-UHFFFAOYSA-M rubidium chloride Chemical compound [Cl-].[Rb+] FGDZQCVHDSGLHJ-UHFFFAOYSA-M 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- 229910000655 Killed steel Inorganic materials 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005237 degreasing agent Methods 0.000 description 2
- 239000013527 degreasing agent Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000879 optical micrograph Methods 0.000 description 2
- 238000010587 phase diagram Methods 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000532 Deoxidized steel Inorganic materials 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 206010024769 Local reaction Diseases 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910020103 MgCl2—ZnCl2 Inorganic materials 0.000 description 1
- 229910007570 Zn-Al Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003788 bath preparation Substances 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
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- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/30—Fluxes or coverings on molten baths
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- C22C18/00—Alloys based on zinc
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- C22C—ALLOYS
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- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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Abstract
【解決手段】溶融Zn−Al−Mg系めっき用フラックスは、ZnCl2と、アルカリ金属塩化物およびアルカリ土類金属塩化物の化合物群のうちから選択された少なくとも2種類以上からなる塩化物であって、めっき浴中のMgに対する反応性の低い難反応性塩化物と、を含み、当該フラックスの液相線温度が450℃以下となるように、ZnCl2および難反応性塩化物の組成が調整されている。
【選択図】図2
Description
始めに、本発明者らの見出した知見の概要について説明すれば以下のとおりである。
図3は、溶融Zn−Al−Mg系めっき鋼成形品の製造方法の一例を示すフローチャートである。図4は、一浴法にてどぶ漬けめっきを行う様子について説明するための、概略的な模式図である。
図3および図4に示すように、溶融Zn−Al−Mg系めっき鋼成形品の製造方法では、先ず、めっきの対象となる鋼成形品(めっき対象材)1を準備する(ステップ1;以下S1のように略記する)。
鋼成形品1は、鋼材または鋼の構造物であってよく、例えば、圧延鋼材類、管類、加工品類、ボルト・ナット類、鋳鍛造品類であってよい。鋼材は、例えば、冷延鋼板(SPCC)や熱延鋼板(SPHC)、一般構造用圧延鋼材(SS)としてよく、また、炭素工具鋼(SK)、合金工具鋼、高速度工具鋼をはじめとする工具鋼、機械構造用鋼(SC)などを用いることができる。鋼成形品1は、配管用炭素鋼鋼管(SGP)をはじめとする各種炭素鋼鋼管を鋼材であってもよい。
・低Si、低Pの鋼材(弱脱酸鋼)の一例
0.003C−0.007Si−0.23Mn−0.006P−0.013S
・低Si、高Pの鋼材の一例
0.003C−0.01Si−0.23Mn−0.012P−0.013S
・高Si、低Pの鋼材の一例
0.003C−0.007Si−0.23Mn−0.012P−0.013S
・高Si、高Pの鋼材の一例(上記SGPに該当)
0.15C−0.21Si−0.52Mn−0.035P−0.008S−0.002Al−0.003N。
上記S1の後、鋼成形品1に対して前処理を行う(S2)。前処理としては、例えば、脱脂処理、水洗処理、酸洗処理、水洗処理がこの順に行われる。前処理の具体的な方法については特に限定されず、公知の手法を用いればよいことから、詳細な説明は省略する。
上記S2の後、または上記S1および上記S2とは独立して、フラックス浴10を調製する(S3)。フラックス浴10は、本発明の一態様におけるフラックス11を水12に溶かして製造される。フラックス浴10には塩酸(HCl)、非イオン性界面活性剤、またはその他の物質が添加されていてもよい。
フラックス11は、前述のように、ZnCl2を主体とし、上記難反応性塩化物を含む。
フラックス浴10は、pHが3以下に調整されていることが好ましい。pHが大きくなると、上記補助塩化物の水酸化物が生成し、フラックス浴10中のSn、Pb、Biイオンの量が少なくなり得る。
上記S2および上記S3の後、前処理後の鋼成形品1をフラックス浴10に浸漬し引き上げることにより、フラックス処理を行う(S4)。
上記S4の後、フラックス処理品2を溶融Zn−Al−Mg系めっき浴20に浸漬し引き上げることにより、溶融めっき処理を行う(S5)。
上記S5の後、溶融Zn−Al−Mg系めっき浴20から引き上げて冷却(例えば空冷)することにより、溶融Zn−Al−Mg系めっき鋼成形品3を得ることができる(S6)。
本発明は上述した実施形態に限定されるものではなく、請求項に示した範囲で種々の変更が可能であり、上記説明において開示された技術的手段を適宜組み合わせて得られる実施形態についても本発明の技術的範囲に含まれる。
フラックス処理を施した供試材を、浴温450℃に設定した表2に示す組成の溶融Zn−Al−Mgめっき浴に100s浸漬してめっきを施した。めっき後の供試材は、空冷により50℃まで冷却した。
めっき後の供試材について、外観、フラックス残存量を以下の基準で評価した。
3 溶融Zn−Al−Mg系めっき鋼成形品
11 フラックス
Claims (6)
- ZnCl2と、
アルカリ金属塩化物およびアルカリ土類金属塩化物の化合物群のうちから選択された少なくとも2種類以上からなる塩化物であって、めっき浴中のMgに対する反応性の低い難反応性塩化物と、を含むフラックスであって、
上記フラックスに含まれる上記ZnCl2が全てMgCl2に置換された場合であっても当該フラックスの液相線温度が450℃以下となるように、上記ZnCl2および上記難反応性塩化物の組成が調整されていることを特徴とする溶融Zn−Al−Mg系めっき用フラックス。 - 上記難反応性塩化物はNaClおよびKClを含んでおり、
上記ZnCl2を52.5質量%以上75.0質量%以下、上記NaClおよびKClを合計で25.0質量%以上47.5質量%以下含み、かつ、
KClとNaClとの質量比(KCl/NaCl)が0.15以上11.5以下となることを特徴とする請求項1に記載の溶融Zn−Al−Mg系めっき用フラックス。 - 上記難反応性塩化物はNaClおよびKClを含んでおり、
上記ZnCl2を40.0質量%以上52.5質量%未満、上記難反応性塩化物を合計で47.5質量%より多く60.0質量%以下含み、かつ、
KClとNaClとの質量比(KCl/NaCl)が1.25以上となることを特徴とする請求項1に記載の溶融Zn−Al−Mg系めっき用フラックス。 - Sn、Pb、Biの塩化物のうちの少なくとも1種類以上の塩化物を含む補助塩化物をさらに含み、
上記補助塩化物を合計で0質量%より大きく10.0質量%未満含むことを特徴とする請求項1〜3のいずれか1項に記載の溶融Zn−Al−Mg系めっき用フラックス。 - 請求項1〜4のいずれか1項に記載された溶融Zn−Al−Mg系めっき用フラックスを水に溶解させたフラックス浴に、めっき対象材を浸漬するフラックス処理工程と、
フラックス処理された上記めっき対象材を溶融Zn−Al−Mg系めっき浴に浸漬するめっき工程と、
を含むことを特徴とする溶融Zn−Al−Mg系めっき鋼成形品の製造方法。 - 上記めっき工程では、300℃未満の温度の上記めっき対象材を、上記溶融Zn−Al−Mg系めっき浴に浸漬することを特徴とする請求項5に記載の溶融Zn−Al−Mg系めっき鋼成形品の製造方法。
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US17/636,920 US20220356553A1 (en) | 2019-08-30 | 2020-05-27 | Flux and production method of steel product with hot-dip zn-al-mg coating using said flux |
KR1020227009626A KR102657882B1 (ko) | 2019-08-30 | 2020-05-27 | 플럭스 및 그것을 사용하는 용융 Zn-Al-Mg계 도금강 성형품의 제조 방법 |
AU2020335420A AU2020335420B9 (en) | 2019-08-30 | 2020-05-27 | Flux and production method of steel product with hot-dip Zn-Al-Mg coating using said flux |
EP20855875.9A EP4023786A4 (en) | 2019-08-30 | 2020-05-27 | FLUENT AND METHOD FOR PRODUCING A FORMED PRODUCT BASED ON ZN-AL-MG COATED STEEL BY HOT DIP EMPLOYING SUCH FLUX |
CA3152383A CA3152383C (en) | 2019-08-30 | 2020-05-27 | Flux and production method of steel product with hot-dip zn-al-mg coating using said flux |
PCT/JP2020/020824 WO2021038992A1 (ja) | 2019-08-30 | 2020-05-27 | フラックスおよびそれを用いる溶融Zn-Al-Mg系めっき鋼成形品の製造方法 |
CN202080060195.2A CN114375345A (zh) | 2019-08-30 | 2020-05-27 | 助镀剂及采用该助镀剂的热浸镀Zn-Al-Mg系钢成型品的制造方法 |
TW109118773A TW202115266A (zh) | 2019-08-30 | 2020-06-04 | 助熔劑及使用其之熔融Zn-Al-Mg 系鍍覆鋼成型品的製造方法 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5025440A (ja) * | 1973-03-01 | 1975-03-18 | ||
JPH04202751A (ja) * | 1990-11-30 | 1992-07-23 | Tanaka Aen Mekki Kk | 乾式フラックス法による溶融金属めっき用フラックス及びこのフラックスを用いた溶融金属めっき鋼材の製造方法 |
JP2012041577A (ja) * | 2010-08-16 | 2012-03-01 | Japan Galvanizers Association Inc | 溶融亜鉛めっき用無煙フラックス及びそのフラックスを用いた溶融亜鉛めっき方法 |
JP2012241277A (ja) * | 2011-05-24 | 2012-12-10 | Nippon Steel Corp | 亜鉛系めっき鋼材又は亜鉛系めっき鋼製成形品の製造方法 |
JP2014088614A (ja) * | 2012-10-25 | 2014-05-15 | Fontaine Holdings Nv | 鋼の亜鉛めっき用フラックス組成物 |
CN110172658A (zh) * | 2019-07-09 | 2019-08-27 | 江苏飞拓界面工程科技有限公司 | 热镀锌助镀剂及热镀锌工艺方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7308946A (ja) * | 1972-07-05 | 1974-01-08 | ||
DE2240046C2 (de) * | 1972-08-16 | 1974-06-27 | Th. Goldschmidt Ag, 4300 Essen | Rauchloses Flußmittel zum Feuerverzinnen, -verzinken und -verbleien |
DE2417791C2 (de) * | 1974-04-11 | 1976-04-01 | Basf Ag, 6700 Ludwigshafen | Flußmittel für die Feuerverzinkung -Verzinnung und -verbleiuhg |
GB1489189A (en) * | 1974-10-07 | 1977-10-19 | Goldschmidt Ag Th | Non-fuming flux for the hot tinning hot galvanising and hot leading of iron articles |
JPS58136759A (ja) * | 1982-02-05 | 1983-08-13 | Mitsui Mining & Smelting Co Ltd | 溶融亜鉛アルミニウム合金めつき用フラツクス |
US6200636B1 (en) * | 1998-08-19 | 2001-03-13 | The University Of Cincinnati | Fluxing process for galvanization of steel |
GB2507309A (en) | 2012-10-25 | 2014-04-30 | Fontaine Holdings Nv | Continuous single dip galvanisation process |
CN106661708B (zh) * | 2014-07-31 | 2019-06-04 | 杰富意钢铁株式会社 | 热浸镀锌钢材的制造方法和热浸镀锌钢材 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5025440A (ja) * | 1973-03-01 | 1975-03-18 | ||
JPH04202751A (ja) * | 1990-11-30 | 1992-07-23 | Tanaka Aen Mekki Kk | 乾式フラックス法による溶融金属めっき用フラックス及びこのフラックスを用いた溶融金属めっき鋼材の製造方法 |
JP2012041577A (ja) * | 2010-08-16 | 2012-03-01 | Japan Galvanizers Association Inc | 溶融亜鉛めっき用無煙フラックス及びそのフラックスを用いた溶融亜鉛めっき方法 |
JP2012241277A (ja) * | 2011-05-24 | 2012-12-10 | Nippon Steel Corp | 亜鉛系めっき鋼材又は亜鉛系めっき鋼製成形品の製造方法 |
JP2014088614A (ja) * | 2012-10-25 | 2014-05-15 | Fontaine Holdings Nv | 鋼の亜鉛めっき用フラックス組成物 |
CN110172658A (zh) * | 2019-07-09 | 2019-08-27 | 江苏飞拓界面工程科技有限公司 | 热镀锌助镀剂及热镀锌工艺方法 |
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