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WO2011135787A1 - Tôle d'acier plaqué pour la fabrication de tubes résistants à la corrosion par les vapeurs de carburant, tube et tube d'alimentation en mazout utilisant ladite tôle d'acier plaqué - Google Patents

Tôle d'acier plaqué pour la fabrication de tubes résistants à la corrosion par les vapeurs de carburant, tube et tube d'alimentation en mazout utilisant ladite tôle d'acier plaqué Download PDF

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Publication number
WO2011135787A1
WO2011135787A1 PCT/JP2011/002160 JP2011002160W WO2011135787A1 WO 2011135787 A1 WO2011135787 A1 WO 2011135787A1 JP 2011002160 W JP2011002160 W JP 2011002160W WO 2011135787 A1 WO2011135787 A1 WO 2011135787A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe
fuel
steel sheet
corrosion resistance
plated steel
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.)
Ceased
Application number
PCT/JP2011/002160
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English (en)
Japanese (ja)
Inventor
龍夫 友森
興 吉岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyo Kohan Co Ltd
Original Assignee
Toyo Kohan Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyo Kohan Co Ltd filed Critical Toyo Kohan Co Ltd
Publication of WO2011135787A1 publication Critical patent/WO2011135787A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/0076—Details of the fuel feeding system related to the fuel tank
    • F02M37/0082—Devices inside the fuel tank other than fuel pumps or filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/04—Tubes; Rings; Hollow bodies

Definitions

  • the present invention relates to a surface-treated steel sheet and pipe having corrosion resistance against fuel vapor.
  • Patent Document 1 discloses that the deposition amount is Cr on a Sn—Zn alloy plated surface having a plating deposition amount of 10 to 70 g / m 2 and Sn-1 to 50% Zn.
  • a fuel container for automobiles having excellent corrosion resistance is described in which the flange portion of the vertical molded body is continuously seam welded.
  • the material used for the automobile fuel container described in Patent Document 1 is a corrosion resistance of a portion such as a fuel tank that is immersed in an automobile fuel such as gasoline and directly contacts the automobile fuel, and is not corrosion resistant to steam.
  • a pipe connected to a fuel tank, such as a fuel supply pipe is exposed to highly volatile automobile fuel vapor rather than being directly exposed to automobile fuel as an actual usage environment. Overwhelmingly many.
  • the depletion of fossil fuels has become serious internationally, and the spread of bioethanol and biodiesel fuels has become widespread.
  • gasoline which is a conventional automobile fuel
  • a material having sufficient characteristics for both bioethanol and biodiesel fuel and its vapor has been demanded.
  • an object of the present invention is to solve the above-described conventional problems, and fuel vapor having sufficient corrosion resistance against fuel vapor such as automobile fuel, particularly gasoline, light oil, bioethanol, or biodiesel fuel. It is providing the plated steel plate for pipe manufacture which has the corrosion resistance with respect to. Another object of the present invention is to provide a pipe and an oil supply pipe using the plated steel plate.
  • the plated steel sheet for pipe production having corrosion resistance against the fuel vapor of the present invention is: It has a plating layer containing Zn, Co and Mo on the surface of the steel sheet, and the composition ratio of Co to Zn in the plating layer is 0.2 to 4.0 at% (atomic concentration)
  • the steel sheet and the plating layer containing Zn, Co and Mo A plating layer containing Zn, Co, and Mo may be provided on the metal layer as a lower layer, and a metal layer may be provided on the plating layer containing Zn, Co, and Mo. You may provide as.
  • the plated steel sheet for producing a pipe having corrosion resistance to the fuel vapor of the present invention is the above (1).
  • the fuel includes gasoline, light oil, bioethanol, or biodiesel fuel.
  • the pipe having corrosion resistance to the fuel vapor of the present invention is: It has a plating layer containing Zn, Co and Mo on the inner surface of a pipe made of a steel plate.
  • the pipe having corrosion resistance to the fuel vapor of the present invention is the above (3).
  • the fuel includes gasoline, light oil, bioethanol, or biodiesel fuel.
  • a fuel supply pipe having corrosion resistance against the fuel vapor of the present invention is: A refueling pipe for refueling a fuel tank, A large-diameter pipe section through which fuel passes; It has a small diameter pipe part that ventilates the upper part and the lower part of the large diameter pipe part, At least on the inner surface of the large-diameter pipe part, It has corrosion resistance to fuel vapor, characterized by having a plating layer containing Zn, Co and Mo with a Co composition ratio of 0.2 to 4.0 at% (atomic concentration).
  • the oil supply pipe having corrosion resistance to the fuel vapor of the present invention is the above (5).
  • the fuel includes gasoline, light oil, bioethanol, or biodiesel fuel.
  • the plated steel sheet for pipe production having corrosion resistance to the fuel vapor of the present invention, the pipe using the plated steel sheet, and the oil supply pipe may be exposed to fuel vapor such as gasoline, light oil, bioethanol, or biodiesel fuel as fuel. , Suppresses rusting and suppresses deterioration of the fuel itself.
  • Step plate> A low-carbon aluminum killed hot-rolled coil is usually used as an original plate for a plated steel sheet for pipe production. Further, an ultra-low carbon steel having 0.003% by mass or less of carbon, or a coil manufactured from non-aging continuous cast steel by adding niobium or titanium to the steel is also used.
  • ⁇ Plating pretreatment> As a pretreatment for plating containing Zn, Co, and Mo, a scale (oxide film) on the surface of the cold-rolled steel sheet is removed by performing degreasing by electrolysis or immersion in an alkaline solution usually containing caustic soda. After removal, the product is rolled to the product thickness in a cold rolling process.
  • the rolling oil adhered by rolling is electrolytically cleaned and then annealed.
  • the annealing may be either continuous annealing or box annealing and is not particularly particular. After annealing, the shape is corrected.
  • a layer containing Zn, Co, and Mo is formed by plating.
  • a layer containing Zn, Co, and Mo is formed by plating.
  • the plating conditions in that case are as follows.
  • Plating bath composition Zinc sulfate 180-280 g / L, Cobalt sulfate 0-100g / L, Ammonium molybdate 0.01-0.4 g / L, Ammonium sulfate 10-40 g / L, Sodium sulfate 20-50 g / L, pH: 2.7 to 3.7, Bath temperature: 30-50 ° C, Current density: 5 to 50 A / dm 2 , And
  • the composition ratio of Co to Zn is 0.2 to 4.0 at% (atomic concentration, hereinafter “at%” means atomic concentration). It is preferable to be in the range.
  • the thickness of the plating layer containing Zn, Co, and Mo is preferably 2.0 to 8.0 ⁇ m. Such adjustment of the plating thickness can be realized by adjusting the plating bath composition, pH, bath temperature, current density, and the like within a suitable range.
  • a composition ratio of the plating layer containing Zn, Co, and Mo Co: 0.2 to 4.0 at%, Mo: 0.001 to 1 at%
  • the balance is preferably Zn.
  • composition ratio of Co in the plating layer containing Zn, Co, and Mo is less than 0.2 at%, sufficient corrosion resistance of the gas phase portion cannot be obtained.
  • Co composition ratio of the plating containing Zn, Co, and Mo exceeds 4.0 at%, corrosion resistance is obtained with the plating layer on the flat plate, but the workability decreases due to the hardened film, and the pipe Cracking occurs during processing, and sufficient corrosion resistance of the gas phase portion cannot be obtained.
  • Such adjustment of the composition ratio in the plating layer can be realized by adjusting the plating bath composition, pH, bath temperature, current density, and the like within a suitable range.
  • Evaluation test pieces were prepared from steel sheets provided with plating layers containing Zn, Co, and Mo, having various Co composition ratios, and corrosion resistance was investigated by immersing them in bioethanol mixed gasoline. Corrosion resistance was confirmed by the presence or absence of rusting. A corrosive solution simulating bioethanol-mixed gasoline was used as a test. Formic acid and acetic acid were added to regular gasoline specified in JIS K2202, and 10% by mass of bioethanol specified in JASO M361 was added to purify the simulated deteriorated gasoline.
  • corrosive water in which formic acid, acetic acid and chlorine were added to pure water was prepared, and 10% by mass was added to deteriorated gasoline to obtain a corrosive liquid.
  • the corrosive liquid is in a state where the upper layer is divided into degraded gasoline and the lower layer is divided into two layers of corrosive water.
  • the corrosive solution was placed in a sealed container so that an evaluation test piece provided with a plating layer containing Zn, Co, and Mo having the respective Co composition ratios was half-immersed, and was aged in a 45 ° C. constant temperature bath. Accordingly, as shown in FIG.
  • the evaluation test pieces are, from the upper part, the gas phase portion 11 in contact with the fuel vapor (gas phase) of the deteriorated gasoline, the liquid phase portion 12 in contact with the deteriorated gasoline (liquid phase), and corrosion. It will be separated and evaluated in the water phase part 13 in contact with water (water phase). And the corrosion resistance with respect to the fuel vapor
  • ⁇ Pipe processing> Using a plated steel sheet on which a plated layer containing Zn, Co, and Mo is formed, the shape is corrected by a leveler, slitted to a predetermined outer size with a slitter, and then formed into a pipe shape by a molding machine.
  • Pipes are manufactured by seam welding end surfaces in the direction by high frequency induction welding.
  • As the pipe there are an oil supply pipe for introducing fuel into the tank, a pipe for introducing fuel from the tank to the engine, and a pipe for venting.
  • the fuel supply pipe 20 is attached to the fuel tank 23 as shown in FIG. 3A, and the fuel supply pipe 20 is attached to the fuel tank 23 from the upper part of the fuel tank 23 in an obliquely upward direction.
  • a small-diameter pipe portion 22 that branches from the middle of the large-diameter pipe portion 21 through which the fuel passes and is connected to the upper and lower portions of the large-diameter pipe portion 21 is connected to the fuel supply pipe 20.
  • the large diameter pipe part 21 is manufactured using the plated steel sheet of the present invention. In addition, you may manufacture the small diameter pipe part 22 using the plated steel plate of this invention.
  • regulated by this invention is not restricted to a shape as shown to Fig.3 (a),
  • Fig.3 (b) For example, as shown in FIG.3 (b), with the large diameter pipe part 21 through which fuel passes, Even if the small-diameter pipe portion 22 is attached to the fuel tank 23 in an independent shape, the corrosion resistance against the fuel vapor is still particularly required, and thus those of these forms are also included.
  • Example 1 A cold-rolled and annealed low carbon aluminum killed steel plate having a thickness of 0.70 mm was used as the original plate.
  • the components of the steel plate that is the plating original plate are as follows. C: 0.045 mass%, Mn: 0.23 mass%, Si: 0.02 mass%, P: 0.012 mass%, S: 0.009 mass%, Al: 0.063 mass%, N: 0.0036% by mass, balance: Fe and inevitable impurities.
  • the steel sheet was subjected to alkaline electrolytic degreasing and pickling with sulfuric acid soaking, to obtain a plated steel sheet provided with a plating layer containing Zn, Co, and Mo having a thickness of 4.2 ⁇ m.
  • the composition ratio of the formed plating layer containing Zn, Co, and Mo was 0.2 at% and the composition ratio of Mo was 0.01 at% with respect to Zn.
  • the composition ratio in the plating layer was measured by EZ scan using a Rigaku fluorescent X-ray apparatus (ZSX 100e). The fluorescent X-ray apparatus was also used for measuring the plating thickness.
  • Example 2 to 7 Comparative Examples 1 to 6> Examples 2 to 7 and Comparative Examples 1 to 6 were the same as Example 1 except that the composition ratio of Co in the plating layer containing Zn, Co, and Mo was changed to the values shown in Table 1. A plated steel sheet was obtained.
  • the plated steel sheets provided with the plating layers containing Zn, Co, and Mo of Examples 1 to 7 of the present invention have no red rust, have a good plating appearance, and are suitable for pipe production. It was excellent as a plated steel sheet.
  • the plated steel sheets of Comparative Examples 1 to 4 have red rust and are impractical as a plated steel sheet for pipe production that requires corrosion resistance.
  • the plated steel sheet for manufacturing pipes of the present invention can suppress rust generation and exposure to fuel vapor such as gasoline, light oil, bioethanol, or biodiesel fuel, and can also suppress deterioration of the fuel itself. . Moreover, the pipe using the plated steel plate for pipe manufacture of this invention and an oil supply pipe are excellent in corrosion resistance with respect to fuel vapor

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Electrochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Electroplating And Plating Baths Therefor (AREA)

Abstract

Cette invention concerne une tôle d'acier plaqué pour la fabrication d'un tube résistant à la corrosion par des vapeurs de carburant telles que des vapeurs d'essence, d'huile légère, de bioéthanol, de biocarburant diesel ou similaires. L'invention concerne en outre un tube et un tube d'alimentation en mazout. La tôle d'acier plaqué destinée à la fabrication d'un tube résistant à la corrosion par les vapeurs de carburant est caractérisée en ce qu'elle est dotée d'une couche de placage du Zn, du Co et du Mo sur la surface d'une tôle d'acier. Dans ladite couche de placage, la proportion de Co dans la composition, par rapport au Zn, va de 0,2 à 4,0% at (pourcentage atomique). Le tube qui résiste à la corrosion par des vapeurs de carburant est caractérisé en ce qu'il est doté d'une couche de placage contenant du Zn, du Co et du Mo, sur la face interne d'un tube formé d'une tôle d'acier. Le tube d'alimentation en mazout (20), qui est destiné à être utilisé pour alimenter en mazout un réservoir à combustible (23), comprend une section de tube de grand diamètre (21), à travers laquelle passe le combustible, et une section de tube de diamètre réduit (22) pour aérer les parties supérieure et inférieure de la section de tube de grand diamètre. Une couche de placage contenant du Zn, du Co et du Mo, et présentant dans la composition une proportion de Co de 0,2 à 4,0% at par rapport au Zn, est disposée au moins sur la face interne de la section de tube de grand diamètre.
PCT/JP2011/002160 2010-04-26 2011-04-12 Tôle d'acier plaqué pour la fabrication de tubes résistants à la corrosion par les vapeurs de carburant, tube et tube d'alimentation en mazout utilisant ladite tôle d'acier plaqué Ceased WO2011135787A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010101116A JP2011231358A (ja) 2010-04-26 2010-04-26 燃料蒸気に対する耐食性を有するパイプ製造用めっき鋼板、そのめっき鋼板を用いたパイプ及び給油パイプ
JP2010-101116 2010-04-26

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WO2011135787A1 true WO2011135787A1 (fr) 2011-11-03

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Publication number Priority date Publication date Assignee Title
CN105745349B (zh) 2013-12-12 2017-08-29 杰富意钢铁株式会社 耐醇致点蚀性及耐醇致scc性优异的钢材
US20180142335A1 (en) 2015-06-22 2018-05-24 Jfe Steel Corporation Steel for storage equipment and transportation equipment for ethanol (as amended)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3791801A (en) * 1971-07-23 1974-02-12 Toyo Kohan Co Ltd Electroplated steel sheet
JPS4919979B1 (fr) * 1970-12-15 1974-05-21
JPS56174324U (fr) * 1980-05-27 1981-12-23
JP2000313969A (ja) * 1999-04-27 2000-11-14 Sumitomo Metal Ind Ltd 耐食性と外面の上塗り密着性に優れた燃料タンク用鋼板
JP2006291279A (ja) * 2005-04-11 2006-10-26 Toyo Kohan Co Ltd 導電性黒色めっき鋼板
JP2006291280A (ja) * 2005-04-11 2006-10-26 Toyo Kohan Co Ltd 放熱性黒色鋼板
JP2006336089A (ja) * 2005-06-03 2006-12-14 Nippon Steel Corp 高耐食性表面処理鋼材および塗装鋼材

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009298347A (ja) * 2008-06-16 2009-12-24 Fts:Kk 燃料注入口の燃料蒸気回収装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4919979B1 (fr) * 1970-12-15 1974-05-21
US3791801A (en) * 1971-07-23 1974-02-12 Toyo Kohan Co Ltd Electroplated steel sheet
JPS56174324U (fr) * 1980-05-27 1981-12-23
JP2000313969A (ja) * 1999-04-27 2000-11-14 Sumitomo Metal Ind Ltd 耐食性と外面の上塗り密着性に優れた燃料タンク用鋼板
JP2006291279A (ja) * 2005-04-11 2006-10-26 Toyo Kohan Co Ltd 導電性黒色めっき鋼板
JP2006291280A (ja) * 2005-04-11 2006-10-26 Toyo Kohan Co Ltd 放熱性黒色鋼板
JP2006336089A (ja) * 2005-06-03 2006-12-14 Nippon Steel Corp 高耐食性表面処理鋼材および塗装鋼材

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