CN107502904B - Environment-friendly pickling solution applied to stainless steel - Google Patents
Environment-friendly pickling solution applied to stainless steel Download PDFInfo
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- 238000005554 pickling Methods 0.000 title claims abstract description 35
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 29
- 239000010935 stainless steel Substances 0.000 title claims abstract description 29
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims abstract description 36
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000002253 acid Substances 0.000 claims abstract description 16
- 239000004094 surface-active agent Substances 0.000 claims abstract description 14
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 11
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 11
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims abstract description 10
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims abstract description 10
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000005642 Oleic acid Substances 0.000 claims abstract description 10
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- HVUMOYIDDBPOLL-XWVZOOPGSA-N Sorbitan monostearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O HVUMOYIDDBPOLL-XWVZOOPGSA-N 0.000 claims abstract description 10
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 10
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims abstract description 10
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims abstract description 10
- 239000001587 sorbitan monostearate Substances 0.000 claims abstract description 10
- 229940035048 sorbitan monostearate Drugs 0.000 claims abstract description 10
- 235000011076 sorbitan monostearate Nutrition 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 150000007522 mineralic acids Chemical class 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 5
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 239000002736 nonionic surfactant Substances 0.000 claims description 2
- 150000003627 tricarboxylic acid derivatives Chemical class 0.000 claims 2
- 229940026231 erythorbate Drugs 0.000 claims 1
- 235000010350 erythorbic acid Nutrition 0.000 claims 1
- 229910052595 hematite Inorganic materials 0.000 claims 1
- 239000011019 hematite Substances 0.000 claims 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003112 inhibitor Substances 0.000 abstract description 4
- 230000005764 inhibitory process Effects 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- -1 iron ions Chemical class 0.000 abstract description 3
- 101100006584 Mus musculus Clnk gene Proteins 0.000 abstract description 2
- 239000003595 mist Substances 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- 239000008280 blood Substances 0.000 abstract 1
- 210000004369 blood Anatomy 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 238000005282 brightening Methods 0.000 description 2
- 125000000373 fatty alcohol group Chemical group 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 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
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/088—Iron or steel solutions containing organic acids
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
- C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
本发明公开了一种应用于不锈钢的环保型酸洗液，包括以下成分：无机强酸、磷酸、油酸、聚乙二醇、表面活性剂、赤血酸盐、三元聚羧酸、山梨坦单硬脂酸酯、N,N‑二甲基甲酰胺、水。加入聚乙二醇作为缓蚀剂，可以增强处理后的不锈钢表面的缓蚀效果；加入赤血酸盐作为沉淀剂，可以降低酸洗液中铁离子浓度，从而延长酸洗液的使用寿命，提高酸洗液的重复利用率，减少环境污染并降低成本；而加入有机酸羧酸、山梨坦单硬脂酸酯、N,N‑二甲基甲酰胺不但可以作为酸雾抑制剂，防止烟雾的生成，而且可以提升不锈钢表面形成致密的保护膜，进一步提高不锈钢表面的缓蚀效果。The invention discloses an environment-friendly pickling solution applied to stainless steel, which comprises the following components: inorganic strong acid, phosphoric acid, oleic acid, polyethylene glycol, surfactant, erythroxylate, ternary polycarboxylic acid, and sorbitan Monostearate, N,N‑Dimethylformamide, Water. Adding polyethylene glycol as a corrosion inhibitor can enhance the corrosion inhibition effect of the treated stainless steel surface; adding red blood salt as a precipitant can reduce the concentration of iron ions in the pickling solution, thereby prolonging the service life of the pickling solution and improving The reuse rate of the pickling solution can reduce environmental pollution and reduce costs; adding organic acid carboxylic acid, sorbitan monostearate, and N,N-dimethylformamide can not only be used as an acid mist inhibitor, but also prevent the formation of smoke Formation, and can enhance the stainless steel surface to form a dense protective film, further improving the corrosion inhibition effect of the stainless steel surface.
Description
技术领域technical field
本发明涉及酸洗液技术领域，特别是涉及一种应用于不锈钢的环保型酸洗液。The invention relates to the technical field of pickling liquid, in particular to an environment-friendly pickling liquid applied to stainless steel.
背景技术Background technique
酸洗液主要用于不锈钢、铝材,钢铁件均有金属的酸洗光亮处理，起到除油、除锈、光亮、钝化防锈、抑雾等功效，特别适用于不锈钢冷轧流水线操作，大大缩短清洗时间，同时抑制烟雾的产生，大大改善生产环境，大大降低金属的腐蚀速度。Pickling liquid is mainly used for pickling and brightening treatment of stainless steel, aluminum, and steel parts. It has the functions of degreasing, rust removal, brightening, passivation, rust prevention, and fog suppression. It is especially suitable for stainless steel cold rolling line operations , Greatly shorten the cleaning time, and at the same time suppress the generation of smoke, greatly improve the production environment, and greatly reduce the corrosion rate of metals.
但是传统的酸洗液主要存在含酸量高、重复利用效果差等缺点，为了减少环境污染，提高酸洗液的重复利用率，本发明提出了一种应用于不锈钢的环保型酸洗液。However, the traditional pickling solution mainly has disadvantages such as high acid content and poor recycling effect. In order to reduce environmental pollution and improve the recycling rate of the pickling solution, the present invention proposes an environment-friendly pickling solution applied to stainless steel.
发明内容Contents of the invention
基于背景技术存在的技术问题，本发明提出了一种应用于不锈钢的环保型酸洗液。Based on the technical problems existing in the background technology, the present invention proposes an environment-friendly pickling solution applied to stainless steel.
一种应用于不锈钢的环保型酸洗液，包括以下成分：无机强酸、磷酸、油酸、聚乙二醇、表面活性剂、赤血酸盐、三元聚羧酸、山梨坦单硬脂酸酯、N,N-二甲基甲酰胺、水。An environment-friendly pickling solution applied to stainless steel, including the following components: inorganic strong acid, phosphoric acid, oleic acid, polyethylene glycol, surfactant, erythroxylate, ternary polycarboxylic acid, sorbitan monostearic acid Esters, N,N-Dimethylformamide, Water.
一种应用于不锈钢的环保型酸洗液，包括以下重量百分比的成分：无机强酸 40-55%、磷酸 8-15%、油酸 2-8%、聚乙二醇 1-3%、表面活性剂 2-5%、赤血酸盐 0.5-1%、三元聚羧酸 2-4%、山梨坦单硬脂酸酯 0.5-2%、N,N-二甲基甲酰胺 1-3%、水 余量。An environment-friendly pickling solution applied to stainless steel, comprising the following components by weight percentage: 40-55% of strong inorganic acid, 8-15% of phosphoric acid, 2-8% of oleic acid, 1-3% of polyethylene glycol, surface active 2-5% erythroxylate, 0.5-1% erythroxylate, 2-4% polycarboxylate, 0.5-2% sorbitan monostearate, 1-3% N,N-dimethylformamide , Water balance.
优选的，所述的无机酸为盐酸、硝酸、硫酸中的任意一种或者多种的组合。Preferably, the inorganic acid is any one or a combination of hydrochloric acid, nitric acid, and sulfuric acid.
优选的，所述的表面活性剂为非离子型表面活性剂，进一步优选为脂肪醇聚氧乙烯醚。Preferably, the surfactant is a nonionic surfactant, more preferably fatty alcohol polyoxyethylene ether.
本发明的酸洗液的使用方法为：在40-55℃条件下，将不锈钢浸没于酸洗液中浸泡15-30min。The use method of the pickling solution of the present invention is as follows: immerse the stainless steel in the pickling solution for 15-30 minutes under the condition of 40-55°C.
本发明的有益之处在于：本发明的应用于不锈钢的环保型酸洗液，包括以下成分：无机强酸、磷酸、油酸、聚乙二醇、表面活性剂、赤血酸盐、三元聚羧酸、山梨坦单硬脂酸酯、N,N-二甲基甲酰胺、水。其主要成分为无机强酸、磷酸和油酸，同时加入聚乙二醇作为缓蚀剂，可以增强处理后的不锈钢表面的缓蚀效果；加入赤血酸盐作为沉淀剂，可以降低酸洗液中铁离子浓度，从而延长酸洗液的使用寿命，提高酸洗液的重复利用率，减少环境污染并降低成本；而加入有机酸羧酸、山梨坦单硬脂酸酯、N,N-二甲基甲酰胺不但可以作为酸雾抑制剂，防止烟雾的生成，而且可以提升不锈钢表面形成致密的保护膜，进一步提高不锈钢表面的缓蚀效果。The benefit of the present invention is that: the environment-friendly pickling solution applied to stainless steel of the present invention includes the following components: inorganic strong acid, phosphoric acid, oleic acid, polyethylene glycol, surfactant, erythroxylate, terpolymer Carboxylic Acid, Sorbitan Monostearate, N,N-Dimethylformamide, Water. Its main components are inorganic strong acid, phosphoric acid and oleic acid. At the same time, adding polyethylene glycol as a corrosion inhibitor can enhance the corrosion inhibition effect of the treated stainless steel surface; ion concentration, thereby prolonging the service life of the pickling solution, improving the reuse rate of the pickling solution, reducing environmental pollution and reducing costs; while adding organic acid carboxylic acid, sorbitan monostearate, N,N-dimethyl Formamide can not only be used as an acid mist inhibitor to prevent the generation of smoke, but also can promote the formation of a dense protective film on the surface of stainless steel, further improving the corrosion inhibition effect on the surface of stainless steel.
具体实施方式Detailed ways
实施例1Example 1
一种应用于不锈钢的环保型酸洗液，包括以下重量百分比的成分：无机强酸 51%、磷酸 13%、油酸 5%、聚乙二醇 2.5%、表面活性剂 4%、赤血酸钠 0.7%、三元聚羧酸 3%、山梨坦单硬脂酸酯 1.8%、N,N-二甲基甲酰胺 1.5%、水 余量。An environment-friendly pickling solution applied to stainless steel, comprising the following components by weight percentage: 51% of strong inorganic acid, 13% of phosphoric acid, 5% of oleic acid, 2.5% of polyethylene glycol, 4% of surfactant, sodium erythroxide 0.7%, terpolymeric acid 3%, sorbitan monostearate 1.8%, N,N-dimethylformamide 1.5%, water balance.
所述的无机酸为盐酸。Described inorganic acid is hydrochloric acid.
所述的表面活性剂为为脂肪醇聚氧乙烯醚。The surfactant is fatty alcohol polyoxyethylene ether.
本发明的酸洗液的使用方法为：在48℃条件下，将不锈钢浸没于酸洗液中浸泡18min。The use method of the pickling solution of the present invention is as follows: immerse the stainless steel in the pickling solution for 18 minutes under the condition of 48°C.
实施例2Example 2
一种应用于不锈钢的环保型酸洗液，包括以下重量百分比的成分：无机强酸 40%、磷酸 15%、油酸 2%、聚乙二醇 3%、表面活性剂 2%、赤血酸钾1%、三元聚羧酸 2%、山梨坦单硬脂酸酯 2%、N,N-二甲基甲酰胺 1%、水 余量。An environment-friendly pickling solution applied to stainless steel, comprising the following components by weight percentage: 40% of strong inorganic acid, 15% of phosphoric acid, 2% of oleic acid, 3% of polyethylene glycol, 2% of surfactant, potassium erythroxylate 1%, terpolymeric acid 2%, sorbitan monostearate 2%, N,N-dimethylformamide 1%, water balance.
所述的无机酸为硝酸和硫酸的1：1摩尔比的混合物。The inorganic acid is a mixture of nitric acid and sulfuric acid in a molar ratio of 1:1.
所述的表面活性剂为脂肪醇聚氧乙烯醚。The surfactant is fatty alcohol polyoxyethylene ether.
本发明的酸洗液的使用方法为：在40℃条件下，将不锈钢浸没于酸洗液中浸泡20min。The use method of the pickling solution of the present invention is as follows: immerse the stainless steel in the pickling solution for 20 minutes under the condition of 40°C.
实施例3Example 3
一种应用于不锈钢的环保型酸洗液，包括以下重量百分比的成分：无机强酸 55%、磷酸 8%、油酸 8%、聚乙二醇 1%、表面活性剂 5%、赤血酸钾 0.5%、三元聚羧酸 4%、山梨坦单硬脂酸酯 0.5%、N,N-二甲基甲酰胺 3%、水 余量。An environment-friendly pickling solution applied to stainless steel, comprising the following components by weight percentage: 55% of strong inorganic acid, 8% of phosphoric acid, 8% of oleic acid, 1% of polyethylene glycol, 5% of surfactant, and potassium erythrate 0.5%, terpolymeric acid 4%, sorbitan monostearate 0.5%, N,N-dimethylformamide 3%, water balance.
所述的无机酸为硫酸。Described mineral acid is sulfuric acid.
所述的表面活性剂为烷基酚聚氧乙烯醚。The surfactant is alkylphenol polyoxyethylene ether.
本发明的酸洗液的使用方法为：在55℃条件下，将不锈钢浸没于酸洗液中浸泡15min。The use method of the pickling solution of the present invention is as follows: immerse the stainless steel in the pickling solution for 15 minutes under the condition of 55°C.
对比例1Comparative example 1
将实施例1中的N,N-二甲基甲酰胺去除，发现在酸洗处理过程中有少量烟雾生成，同时处理后的不锈钢耐腐蚀效果也有一定的降低。The N,N-dimethylformamide in Example 1 was removed, and it was found that a small amount of smoke was generated during the pickling process, and the corrosion resistance of the treated stainless steel was also reduced to a certain extent.
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.
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|---|---|---|---|---|
| CN103243340A (en) * | 2013-05-08 | 2013-08-14 | 张文卓 | Stainless steel environment-friendly pickling solution |
| CN104532269A (en) * | 2014-11-28 | 2015-04-22 | 上海邦中高分子材料有限公司 | Safe and environmental-protection stainless steel pickling solution |
| CN104611711A (en) * | 2015-01-23 | 2015-05-13 | 邢台钢铁有限责任公司 | Pickling solution and pickling method for high-alloy corrosion-resistant steel |
| CN104611712A (en) * | 2015-01-19 | 2015-05-13 | 邢台钢铁有限责任公司 | 400 series stainless steel hot-rolled annealed wire rod hydrochloric acid pickling solution and pickling method |
| CN106947978A (en) * | 2017-02-09 | 2017-07-14 | 赵正芳 | New type stainless steel. corrosion resistance pickle |
-
2017
- 2017-09-20 CN CN201710852873.9A patent/CN107502904B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243340A (en) * | 2013-05-08 | 2013-08-14 | 张文卓 | Stainless steel environment-friendly pickling solution |
| CN104532269A (en) * | 2014-11-28 | 2015-04-22 | 上海邦中高分子材料有限公司 | Safe and environmental-protection stainless steel pickling solution |
| CN104611712A (en) * | 2015-01-19 | 2015-05-13 | 邢台钢铁有限责任公司 | 400 series stainless steel hot-rolled annealed wire rod hydrochloric acid pickling solution and pickling method |
| CN104611711A (en) * | 2015-01-23 | 2015-05-13 | 邢台钢铁有限责任公司 | Pickling solution and pickling method for high-alloy corrosion-resistant steel |
| CN106947978A (en) * | 2017-02-09 | 2017-07-14 | 赵正芳 | New type stainless steel. corrosion resistance pickle |
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