Classifications

• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
  • C10M7/00—Solid or semi-solid compositions essentially based on lubricating components other than mineral lubricating oils or fatty oils and their use as lubricants; Use as lubricants of single solid or semi-solid substances
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
  • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
  • C10M2201/04—Elements
  • C10M2201/05—Metals; Alloys
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
  • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
  • C10M2201/06—Metal compounds
  • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
  • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
  • C10M2201/085—Phosphorus oxides, acids or salts
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
  • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
  • C10M2201/086—Chromium oxides, acids or salts
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
  • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
  • C10M2207/02—Hydroxy compounds
  • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
  • C10N2040/00—Specified use or application for which the lubricating composition is intended
  • C10N2040/20—Metal working
  • C10N2040/24—Metal working without essential removal of material, e.g. forming, gorging, drawing, pressing, stamping, rolling or extruding; Punching metal
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
  • C10N2040/00—Specified use or application for which the lubricating composition is intended
  • C10N2040/20—Metal working
  • C10N2040/241—Manufacturing joint-less pipes
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
  • C10N2040/00—Specified use or application for which the lubricating composition is intended
  • C10N2040/20—Metal working
  • C10N2040/242—Hot working
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
  • C10N2040/00—Specified use or application for which the lubricating composition is intended
  • C10N2040/20—Metal working
  • C10N2040/243—Cold working
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
  • C10N2040/00—Specified use or application for which the lubricating composition is intended
  • C10N2040/20—Metal working
  • C10N2040/244—Metal working of specific metals
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
  • C10N2040/00—Specified use or application for which the lubricating composition is intended
  • C10N2040/20—Metal working
  • C10N2040/244—Metal working of specific metals
  • C10N2040/245—Soft metals, e.g. aluminum
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
  • C10N2040/00—Specified use or application for which the lubricating composition is intended
  • C10N2040/20—Metal working
  • C10N2040/244—Metal working of specific metals
  • C10N2040/246—Iron or steel
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
  • C10N2040/00—Specified use or application for which the lubricating composition is intended
  • C10N2040/20—Metal working
  • C10N2040/244—Metal working of specific metals
  • C10N2040/247—Stainless steel
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
  • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
  • C10N2050/08—Solids
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
  • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
  • C10N2050/10—Form in which the lubricant is applied to the material being lubricated semi-solid; greasy
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
  • C10N2080/00—Special pretreatment of the material to be lubricated, e.g. phosphatising or chromatising of a metal
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/12—All metal or with adjacent metals
  • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
  • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
  • Y10T428/12556—Organic component
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/12—All metal or with adjacent metals
  • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
  • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
  • Y10T428/12583—Component contains compound of adjacent metal
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/12—All metal or with adjacent metals
  • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
  • Y10T428/12687—Pb- and Sn-base components: alternative to or next to each other
  • Y10T428/12694—Pb- and Sn-base components: alternative to or next to each other and next to Cu- or Fe-base component
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/12—All metal or with adjacent metals
  • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
  • Y10T428/12736—Al-base component
  • Y10T428/1275—Next to Group VIII or IB metal-base component
  • Y10T428/12757—Fe
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T428/00—Stock material or miscellaneous articles
  • Y10T428/12—All metal or with adjacent metals
  • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
  • Y10T428/12771—Transition metal-base component
  • Y10T428/12778—Alternative base metals from diverse categories

Definitions

• ABSTRACT Surface treated steel sheet for use in a forming operation having a layer of a higher alcohol material which is solid at room temperature and of which the major constituent is one or more substances selected from the group consisting of higher alcohols, and, beneath the former layer, a layer of a chemically treated coating film or a layer of coating film of one or more metals selected from the group consisting of Zn, Pb, Cd, Cu, Cr, Sn and Al.
• This invention relates to a surface treated steel sheet for use in a forming operation, which can be easily lubricated and from which adhering matter can be readily detached.
• the surface coating material of which a higher carboxylic acid is the main constituent can be applied more easily and is better in lubricating action relative to the coating film of metallic soap. Further, since the said coating material does not require high temperature drying in the treatment, it does not accelerate the aging of the steel sheet and, hence, does not deteriorate the material of the steel sheet itself. However, the coating film can not be removed easily. More particularly, a longer time is required to remove the coating film in the alkali degreasing process than it does with a steel sheet on which anti-rusting oil is applied.
• composition for coating is required, on one hand, to have strong adsorptivity to produce a sufficient lubricating property on the surface, for example owing to polar groups contained in the moecules.
• adsorptivity since easy removal of the coating film is also required after the molding process.
• the higher alcohol application agent has only weak absorbing power to the surface of steel sheet, as is generally recognized, and therefore if a steel sheet, on which the agent has been applied directly on the surface, is treated by the molding process, the lubricating film thus formed can not follow the increase of area as a result of the molding process and may result in burning or bite of the surface. Therefore, the material has not been used as lubricating agent for the molding process.
• the metal coatings of this invention to be applied on a steel sheet include the following ones:
• the chemically treated coating films to be applied to the steel sheet include a layer of hydrated oxide which was obtained by applying anhydrous chromic acid or a phosphate or a mixture thereof in the form of an aqueous solution and a layer of metallic oxide which was deposited from an aqueous solution of chromate, phosphate or a mixture thereof by making the solution contact with the surface of the steel sheet in the presence of chemical reductant or with the combined use of electrolytical cathodic reduction or further a baking treatment.
• the steel sheet of this invention is produced by applying on the above mentioned coating films a higher alcohol material which is solid at room temperature and of which the main constituent is one or more substances selected from the group consisting of the higher alcohols described below.
• those alcohols containing at least 12 carbon atoms in the molecule which becomes solid after being applied at the room temperature are preferred. They include, for example, dodecanol, tetradecanol, hexadecanol and octadecanol.
• Admixing a rust preventure agent, a coloring material and a filler to the higher alcohol material to such an extent as not to alter the fundamental properties of the material does notspoil the effect of the steel sheet of this invention.
• the ways in which the higher alcohol materials which are solid at the room temperature are applied to the surface of steel sheets include applying in liquid form, either made molten by heating or in the form of a solution in an organic solvent, with rollers, spray, brush or by dipping or streaming, onto the surface of the steel sheet followed by heating with an infrared light or hot air to fuse the material and form a uniform layer on the surface.
• the amount of the metal coating of this invention should be preferably more than 250 mglm
• the amount of the chemically treated coating film to be formed either directly on the surface of steel sheet or on the metal coating of the above mentioned metals and Cr, Sn and Al should be preferably more than 300 ing/m when a chemically treated coating film of hydrous oxide or hydrated metal oxide is formed from an aqueous solution of phosphate.
• an amount less than 300 mglm not only the coating film itself but-also the higher alcohol materials applied on it become nonuniform, which means the lowered ability in lubrication.
• an amount larger than 300 mg/m is desired.
• the chemically treated coating film of hydrous oxide or hydrated metal oxide is formed from an aqueous solution of chromate, an amount larger than 50 mg/m is desired.
• the lubricating ability is increased with an increase in the amount of coating film, but for an amount less than 50 mglm sufficient lubricating ability is not attained for practical purposes.
• an amount of the coating film larger than 50 mg/m the same as with the chrom ate treatment, is desired.
• the higher alcohol material that is solid at the room temperature produces an appreciable effect even when it is applied in a small amount, but a remarkable effect when applied in an amount larger than 50 mg/m.
• the effect on the lubricating ability is increased with an increase of the applied amount, but the upper limit may be set to 5 mg/m in practical application to the steel sheet of this invention, considering the accumulated adhesion of the material to rollers and the mold for forming, transfer of the adhering material to the steel sheet, time required to remove it and the contamination of wash liquid. 1
• the steel sheets of this invention include, in addition to the steel sheets on which the surface treatment of this invention is applied on the whole surface of both sides, those steel sheets on which the surface treatment is applied on the whole surface of a single side or on a part of a single or both sides.
• the latter treatment may be suitable depending on the forming operation.
• the steel sheets of this invention are produced from the following three stages of operation: production of the steel sheet (non-lated), application of the specified coating film on the steel sheets and application of the higher alcohol materials. These three stages of operation are not necessarily performed in a factory, but the higher alcohol material may be applied, for example, in the blanking line or immediately before pressing in the pressing operation.
• a steel sheet, as well as a cut sheet therefrom, which is produced in the way described above belongs to the present invention.
• the preliminary lubricant can be easily removed with an alkaline degreasing agent or an organic solvent.
• the adhesive power of the higher alcohol material to the specified coating film of this invention is so weak as not to cause troubles in the forming operation in contrast to the corresponding material of carboxylic acid, and the former can be removed more easily than the latter.
• the small amount of the former material to be applied reduces contamination of the remover solution.
• the higher alcohol material to be applied can be made molten by heating or may be applied on the surface of steel sheet in the form of a solution in an organic solvent, the material dries easily and a short time heating suffices if necessary, so that deterioration of the steel sheet does not occur and high producibility can be achieved.
• the steel sheets of this invention on which the specified coating of chemically treated film is applied can be subjected to removal of the higher alcohol material after the forming operation and then to painting without treating the base surface, so that the producibility and the cost can be improved.
• the higher alcohol material is removed after the forming operation is completed and then the metal coating of zinc or cadmium is finally removed by acid treatment.
• the metal coating of zinc or cadmium is dissolved in the acid solution acting as electrolytical anode against the steel base.
• the finally exposed surface of the steel base is extremely acitve as it is when treated cathodically with an acid solution, and therefore it forms a very good base for permanent plating.
• thin coating films of zinc or cadmium are preferred for economy and easy removal, that is, the total amount of zinc and cadmium in the film is 250 2500 mg/m".
• the steel sheet of this invention shows no difference from untreated uncoated steel sheets with respect to welding strength, and mars and stains by a welding machine.
• the surface of the steel sheet of this invention is solid at room temperature, it is not sticky and does not become dirty. Due to the small amount of the higher alcohol material to be applied, the material does not drift or flow and does not transfer to another sheet when some sheets are piled. Thus, handling of the sheets is easier than of steel sheets to which rust preventing oil is applied.
• D do do Dipglllg in a. solution of chromate 50 ..do 0.
• E Zn 1 do Cat odic electrolysis in an aqueous solution of 100 .-.do 0.5
• the present invention exhibits TABLE 6 excellent workability in the forming operation.
• Examples of this invention H and 1 Examples of conventional treatment
• workability was improved with the examples of this invention, C through G, for which the amount of copper plated was larger than 250 mg/m but, as the amount exceeded 2 g/m", the improvement became rather sluggish.
• the workability of the conventional treatment, H and l was inferior to that of C and A, respectively, in which the same amounts of copper were plated.
• a surface treated steel sheet suitable for use in a forming operation which comprises a steel sheet having thereon a top layer of an alcohol having at least 12 carbon atoms, which alcohol is a solid at room temperature, and interposed between the alcohol layer and the steel sheet, a layer of a metal selected from the group consisting of Zn, Pb, Cu, Cr, Cd, Sn, Al, and alloyed combinations thereof.
• a surface treated steel sheet suitable for use in a forming operation which comprises a steel sheet having thereon a top layer of an alcohol having at least 12 carbon atoms, which alcohol is a solid at room temperature, and interposed between the alcohol layer and the steel sheet, a layer of a hydrated oxide or a metallic oxide.

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• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Organic Chemistry (AREA)
• Chemical Treatment Of Metals (AREA)
• Lubricants (AREA)

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Cited By (6)

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Citations (9)

• 1970
  • 1970-07-30 JP JP45066762A patent/JPS4948068B1/ja active Pending
• 1971
  • 1971-07-26 US US00164797A patent/US3765955A/en not_active Expired - Lifetime

Patent Citations (9)

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