US3214820A - Steel foil and manufacture - Google Patents

Steel foil and manufacture Download PDF

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Publication number
US3214820A
US3214820A US257310A US25731063A US3214820A US 3214820 A US3214820 A US 3214820A US 257310 A US257310 A US 257310A US 25731063 A US25731063 A US 25731063A US 3214820 A US3214820 A US 3214820A
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Prior art keywords
steel
foil
cold
strip
plated
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US257310A
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English (en)
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Edwin J Smith
Edward P Spencer
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National Steel Corp
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National Steel Corp
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Priority to US257310A priority Critical patent/US3214820A/en
Priority to NL6400848A priority patent/NL6400848A/xx
Priority to BE643299D priority patent/BE643299A/xx
Priority to LU45354D priority patent/LU45354A1/xx
Priority to DE19641527572 priority patent/DE1527572A1/de
Priority to GB5234/64A priority patent/GB1056131A/en
Priority to US482967A priority patent/US3305323A/en
Application granted granted Critical
Publication of US3214820A publication Critical patent/US3214820A/en
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Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/04—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a rolling mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
    • B23K20/227—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/02—Metal coatings
    • D21H19/04—Metal coatings applied as foil
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2251/00—Treating composite or clad material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • 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
    • Y10T29/00—Metal working
    • Y10T29/30—Foil or other thin sheet-metal making or treating
    • Y10T29/301—Method
    • Y10T29/302—Clad or other composite foil or thin metal making

Definitions

  • the present invention is concerned with new flat rolled steel product and related strip steel finishing operations.
  • Hot rolled products are reduced in hot strip mills to ygages las thin as 0.0449 and then reduced in cold rolling mills to gages as thin as 0.006. In recent strip steel tinishing operations, further cold reduction has produced thin tinplate gages as low as .004".
  • the invention departs from practices of the prior art and includes teachings on products and processes of manufacture which realistically establish steel in the metallic foil art.
  • One object of the invention is the manufacture of plated steel foil with many industrial and commercial uses which possesses high strength, abrasion resistance and which can be bent and crumpled without breaking.
  • This product is produced by cold rolling plated steel having a starting gage between about .003 inch and .065 inch to reduce the plate steel 70% and higher to a finish gage between about .0001 inch and .002 inch.
  • tinplated steel foil below a halfthousandt-h of an -inch has been produced in accordance with the teachings of the invention without any of the problems developed in thin tin practice. It is -springy and can be bent repeatedly through substantially 360 without cracking or breaking and can be crease folded and opened 4repeatedly without cracking or breaking. Coating adherence and coating protection .are excellent. It has high tensile strength, from live to ten times that of :aluminum foil of the same gage, is more abrasion-resistant than common foils, such as aluminum, yet can 'be torn and cut readily. It has a smooth, fully plated, bright surface. Tests indicate that its corrosion resistance exceeds that which would be expected from the thickness of it-s tinplating which can be about two-millionths of an inch.
  • An object of the invention is lmanufacture of steel base foil as hereinafter described.
  • Part of the invention was the discovery that it was actually possible to make plated steel foil and, also, the conception of numerous lapplications for a plated steel foil in modified land combined forms for packaging, for consumer and engineer-ing uses, and for other industrial uses which have opened the door to many practical uses ⁇ of steel foil in all forms.
  • foil In the metallic foil industry, as previously constituted, foil was defined as thin metal membrane of less than .006 thickness and was distinguished from metal of greater thickness called sheet, strip, or plate. Steel does not remain a pliable membrane up to .006 thickness. Steel of less than .006, say .005, is not foil. For example, .005 tinplate and the lighter forty-pound per base box tinplate lare available in ⁇ the rigid can market for beer, oil, food, etc. Therefore, -in describing the present invention, it becomes necessary to set limits for steel foil gages other than those accepted for the common metals ⁇ of the foil industry. Steel foil, therefore, as referred to herein, is defined as thin metal membrane of not greater than about .002 thickness.
  • steel foil especially in a plated condition, is distinguished from other ilat rolled finished steels, such as thin tinplate, by a cold redu-ction after plating of substantially in excess of 50%, e.g. 70% and higher, without an anneal.
  • Test standards for steel foil have not been established as yet. It has 'become -obvious that testing apparatus and methods, e.g. Rockwell and Brinell hardness, Pittsburgh lock-seam tests, and the like, customarily used in the steel indust-ry, are not applicable to steel foil. At present, comparative tests with other metal foils and steel products must lbe used. For example, steel 4foil has a tensile strength five to ten times greater than that of aluminum foil of the sa-me gage. The abrasion resistance of steel, again partially dependent upon the plating, far exceeds that of aluminum, making tinpla-ted steel foil, for example, far superior to aluminum foil for many industrial uses.
  • Full hard as previously known in the steel industry, may require further definition when applied to steel foils.
  • both of the above 90% cold reduced samples have the strength and other properties associated with full hard as known in the steel industry but neither exhibits the poor bending qualities or brittleness ordinarily associated with full-hard steel which has been cold reduced 90%.
  • steel foil does not exhibit any of the brittleness expected. It can be bent and folded repeatedly without cracking.
  • Some of the mechanical properties of foil are influenced considerably by the method and speed ⁇ of reduction. It is believed that the heat produced during rolling has a greater effect, often instantaneously, at the thin gages involved than would be the case with -conventional steel strip.
  • the .present invention includes the discovery that a matte-finish tinplate is preferred as starting stock for tinplate foil.
  • Practice with matte-finish tinplate substantiates the aforementioned teachings on avoidance of an alloy layer between the coating metal and the base metal.
  • an alloy layer is for-med. It has been found with .011 tinplate having one pound per base box of coating that the ill eHects of an alloy layer begin to show up at thicknesses of approximately two to three-thousands of ⁇ an inch. Tin-iron alloy crystals protrude through the -coating and grey streaks show up on the surface of the product at about these thicknesses. Also, tin-iron alloy scale forms on the work rolls. The matte-finish of tin, zinc, and other coating metals is converted to a bright lfinish in rolling to the foil gage-s taught by the present invention.
  • Induction and :other forms of heating can also be used for heat treating the steel itself since the various effects of heat treatment such as stabilizing, strain relief, and softening occur readily yand apparently at lower temperatures when dealing With toil gages.
  • the coating metal thickness both starting and iinal, become more important when it is considered that plated steel foil will be reduced to gages as low as one ten-thousandth of an inch (0001").
  • the combinations of plating thickness and -steel base metal thickness gages available in foil form approach infinity when it is considered that the foil can vary between about .002 and about .0001 and Ialso that the initial coating weight can vary, with tin for example, from a ash coating up to several pounds per base box (2117.78 sq. ft.).
  • the scope of these variations can be co-mprehended from graphical representations suc'h as those shown in the accompanying drawings, wherein:
  • FIGURE 1 is a graphical representation of the change in thickness of strip steel with percentage cold reductions falling within the scope of the present invention
  • FIGUR-E 2 is a graphical representation of the change in thickness of certain tin coating Weights applied to strip steel with percentage cold reductions falling within the scope of the .present invention.
  • FIGURE 3 is a graphical representation lof the change in thickness of certain zinc coating weights applied to strip ⁇ steel with percentage cold reductions falling within the scope of the present invention.
  • FIGURE 4 is a schematic representation of method steps included in the invention.
  • .010 'blackplate reduced 90% will have a thickness of about .001; if the b'lackplate had a coating of 1.5 lbs. of tin per base box, the coating thickness would be about nine-millionths of an inch (9X10 ⁇ G); if initial coating had been a .25 lb. per base box, the coating thickness would have been one and six-tenths millionths of an inch (1.6 104i).
  • .005 blackplate when reduced 80%, would have a thickness of .001; if the starting coating thickness was 1.5 lbs. of tin per base box, the iinal thickness would be about seventeen and one-half millionths inch (17.5 10 6); it the coating weight initially applied was .5 lb. per base box,
  • the iinal thickness would be about six-millionths inch (6 10-6).
  • strip steel can be coated economically with most of the aforementioned metals, without an alloy layer, with coatings up to .001 thick and higher in continuous strip lines.
  • .001 thick and higher in continuous strip lines.
  • .6 ounce per square foot of Zinc has a thickness of labout .001.
  • plated steel foil includes gages up to about two one-thousandths of an inch (.002") made by a cold reduction of cold reduced and annealed strip stock substantially in excess of 50%, with cold reductions ot 97 and higher being contemplated. Therefore, starting muterial for the present invention can be conventional steel mill product. Plated strip steel having a thickness of about sixty-ve thousandths inch (.065), when reduced approximately 97%, will have a gage of about two thousanths of an inch (.002).
  • Cold reduction can be carried out by cold rolling passes of as low as 10% reduction per pass or up to 90% or higher reduction per pass.
  • Certain plated stock, such as tinplate can take large cold reductions readily without any visible effect on the coating or the strip; it is believed that the lubricity of tin aids in this respect.
  • Zinc, aluminum, aluminum alloy, stainless type steel coatings and titanium Similar experience has been had with Zinc, aluminum, aluminum alloy, stainless type steel coatings and titanium.
  • tinplated steel foil and steel plated with any of the malleable metals included in this invention may be reduced two strands at a time by rolling the strands back to back through the cold reducing mill with conventional non-bonding materials such as rolling oils being used between strands.
  • the amount of cold reduction per pass is largely determined by the economics of the process and, to sonic extent, by the desired properties of the finished product and the cold reducing properties of the coatings.
  • the following table will help illustrate why economics enters into this determination. This table shows the number of passes required at various percentages to reduce material having starting gages of .005, .0072, and .0011l to a foil of .0005.
  • T able I Number of cold rolling passes required to produca .0005 foil Percent Starting gage reduction per pass 2l 25 20 1U l2 l-t 7- 8- t) 4+ 5 u 3+ /1- 11+ 3- 3 L1- 2 2+ 3- 2- 2- M 1 1+ 2- tot :tl iront the standard gages of strip steel would require a reduction of substantially 70% or higher. If such cold reductions are carried out with less than 40% reduction per pass, the number of passes required is high for ordinary steel mill practice. Therefore, the aim is to have the reduction per pass exceed 40%; but, consideration must be given to the desired properties of the foil and the effect of large cold reductions on the coating. Reductions in the range of 40% to 60% per pass are preferable.
  • the invention makes possible many new consumer and engineering use products. Also, many existing products can be fabricated more economically. Many of the new uses and new products of plated steel in foil gages result from the combination of high tensile strength steel with the special pr-operties of a coating metal such as copper, cadmium, silver, and the like. Copper plated steel strip, for example, reduced to foil gages, can be used to form reactance devices, coil windings, capacitors, etc., can be used in plural layers to make pliable short radius turn conductors, and can be used in other similar uses which take advantage of the high electrical conductivity of the surface layer copper and the high tensile strength and excellent handling properties of the steel. Silver-plated steel foil can qualify economically for many special electrical uses from which it had previously been barred and, similarly, for cadmium and cadmium alloy plated steel foil.
  • metal plated steel foil from about .0001" to about .0007 has many of the normal consumer foil uses especially in industrial wrapping.
  • Metal plated steel foil up to about .001 or .0015" makes excellent foil pouches for freeze-dry products, and the like, where creating a light and Vapor barrier is important.
  • plated steel foil of various gages up to about .002 makes excellent semi-rigid packaging tray structures such as that used for precooked frozen foods, etc.
  • the advantages of all these packaging and other uses over other metallic foils is the high tensile strength of the steel, its abrasion resistance, and the easy handling properties which permit fabricating with much less difiiculty than the other metallic foils. These properties are especially helpful in handling the ne foil gages used for label stock.
  • any of the lower cost coating metal foils can be used for water vapor barrier and insulation purposes more economically than metallic foils currently available.
  • Special corrosion protection and strength characteristics for many products are available with titanium plated steel foil.
  • Honeycomb core and expanded metal are typical applications for such foil, as well as for foils plated with the more common corrosionresistant metals such as tin, zinc, and aluminum.
  • Nickel and some of the nickel alloy plated steel foils find special uses, along with copper and copper alloy plated steel foils, in the decoration and novelty fields. These and some of the lower-priced metal plated steel foils of the lower thickness gages can also be readily slit into tine thread providing metallic textile materials of higher strength than any currently available.
  • the fabrication may employ folding, die forming, scoring, embossing, and/or a variety of forms of printing.
  • Other uses than those specifically enumerated above will be obvious from the present disclosure and are considered to be within the scope of the present invention.
  • Stainless steel plated steel foil can be produced by several methods in accordance with the teachings of the invention.
  • stainless steel is used in its broad sense, including what is often referred to in the art as a stainless type steel or merely stainless As such, utilization of nickel and/or chromium, or alloys thereof, as an alloying agent(s) in sufficient quantities to make steel rust and corrosion resistant are included.
  • One method is plating mild steel with stainless steel and reducing as previously describe-d.
  • Other methods involve plating -mild steel strip with chromium and/or nickel, or their alloy; processes for plating nickel, chromium and/or iron are known, e.g. U.S.
  • the invention also includes the lamination of steel foil, plated or unplated, with one or more of the following materials: paper, paperboard, Mylar and other well known thermosetting lm materials, heat sealing films commonly referred to as thermoplastic lms, natural and synthetic textiles, felts, fibers, and filaments, plastic, fiber, and wood sheeting or other metals.
  • the steel foil and lamina are normally joined by an adhesive which may be heat or pressure sealed in continuous-line operations.
  • Steel foil has special advantages over other metallic foils for laminated products and in manufacture of laminated products because of the high tensile ⁇ strength and abrasion resistance of steel foil.
  • laminae set forth above may be joined by pressure or heat to the steel foil, may be spray coated, or may be joined by use of adhesives.
  • adhesives In formulating an adhesive, the mate-rial to be laminated to the steel foil and the surface character of the foil should be considered.
  • Most suitable adhesives can be formulated from basic latex and resin base adhesive inclding epoxy resin compounds, vinyl phenolics, and rubber-base adhesive such as neoprene.
  • the proper formulation can take care of foil surface oil problems but, in the interest of uniform adherence, the toil surface may be cleaned by cathode cleaning, vapor cleaning, or solvent wipe or rinse. Often merely heating the foil will evaporate the oil and provide uniformity.
  • tinplated foil heated to about 300 F. provided uniform lamination using the adhesive referred to in the trade as Polybond, a vinyl type copolymer, which is available from Polymer Industries, Springdale, Connecticut.
  • Method for producing metal plated, non-embrittled, steel foil comprising applying an iron-alloy-layer ⁇ free metallic coating to strip steel, the strip steel having a thickness gage between about .003 and about .065 and a carbon content up to about .15%, and
  • the coating metal is selected from the group consisting of tin, terne, zinc, zinc alloy, aluminum, aluminum alloy, copper, copper alloy, nickel, nickel alloy, chromium, chromium alloy, cadmium, stainless steel, silver, gold, and titanium.
  • Method for producing metal plated, non-embrittled, steel foil comprising applying an iron-alloy-layer free metallic coating to strip steel, the strip steel having a thickness gage between about .003" and about .065 and a carbon content up to about .15 the metallic coating having a thickness gage ranging up to about .001, and cold reducing the metal coated strip steel at least 70%, without annealing the steel during the cold reducing, by cold rolling to a thickness gage between about .0001 and about .002.
  • Method for producing tinplated, non-embrittled, steel foil comprising electrolytically applying a matte-finish tinplating to mild steel strip, the thickness gage ⁇ of the steel strip being between about .003 and about .065", the coating weight of the tin ranging up to about 2.0 lbs. per base box, and
  • Method for producing non-embrittled steel foil having a stainless type steel plating comprising the steps of coating steel strip with stainless type steel metal components including nickel and chromium, the steel strip having a thickness gage of between about .003 and about .065 and a carbon content ranging up to about 0.15%, and
  • the method of claim 7 further including the step of heating the coated steel strip before cold reducing to cause diffusion of the stainless type steel metal cornponents into the steel strip.
  • Method for producing stainless type steel coated, non-embrittled, steel foil comprising coating steel strip with stainless type steel metal components including nickel and chromium, the steel strip having a thickness gage of between about .003 and about .065l and a carbon content ranging up to about 0.15%,
  • cold reducing the metal coated steel strip at least 70%, without annealing the steel during the cold reducing, by cold rolling to foil having a thickness gage bctween about .0001 and .002", and then heating the cold reduced coated steel strip to cause diffusion of the stainless type steel metal components into the steel of the foil.
  • non-embrittled, steel foil comprising plating strip steel simultaneously with chromium and nickel, the strip steel having a thickness gage between about .003 and about .065" and a carbon content ranging up to about 0.15%, and
  • cold reducing the plated strip at least 70%, without annealing the steel during the cold reducing, by cold rolling to foil having a thickness gage between about .0001l and .002.
  • Method for producing a metal plated, nonembrittled, steel foil comprising applying a plurality of metallic coatings to strip steel, the strip steel having a (thickness gage between about .003" and about .065 and a Carbon content up to about .15%, the coating metals being selected from the group consisting of tin, terne, zinc, aluminum, aluminum alloy, copper, copper alloy, nickel, nickel alloy, chromium, chromium alloy, stainless steel, silver, gold, and titanium, and

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
US257310A 1963-02-08 1963-02-08 Steel foil and manufacture Expired - Lifetime US3214820A (en)

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Application Number Priority Date Filing Date Title
US257310A US3214820A (en) 1963-02-08 1963-02-08 Steel foil and manufacture
NL6400848A NL6400848A (US06262066-20010717-C00315.png) 1963-02-08 1964-02-03
BE643299D BE643299A (US06262066-20010717-C00315.png) 1963-02-08 1964-02-03
LU45354D LU45354A1 (US06262066-20010717-C00315.png) 1963-02-08 1964-02-04
DE19641527572 DE1527572A1 (de) 1963-02-08 1964-02-04 Verfahren und Vorrichtung zur Herstellung flachgewalzter Stahlerzeugnisse
GB5234/64A GB1056131A (en) 1963-02-08 1964-02-07 Improvements relating to metal working and production
US482967A US3305323A (en) 1963-02-08 1965-07-13 Steel foil

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BE (1) BE643299A (US06262066-20010717-C00315.png)
DE (1) DE1527572A1 (US06262066-20010717-C00315.png)
GB (1) GB1056131A (US06262066-20010717-C00315.png)
LU (1) LU45354A1 (US06262066-20010717-C00315.png)
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355265A (en) * 1965-04-16 1967-11-28 United States Steel Corp Method of producing ductile coated steel and novel product
DE3519492A1 (de) * 1984-06-04 1985-12-05 Inland Steel Co., Chicago, Ill. Aluminiumbeschichtete, niedriglegierte stahlfolie
US4686155A (en) * 1985-06-04 1987-08-11 Armco Inc. Oxidation resistant ferrous base foil and method therefor
US5366139A (en) * 1993-08-24 1994-11-22 Texas Instruments Incorporated Catalytic converters--metal foil material for use therein, and a method of making the material
FR2883007A1 (fr) * 2005-03-11 2006-09-15 Usinor Sa Procede de fabrication d'une piece d'acier revetu presentant une tres haute resistance apres traitement thermique

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4020356A1 (de) * 1990-06-27 1992-01-09 Pi Patente Gmbh Recyclingbarer behaelter, dessen inhalt die steifigkeit des behaelters unterstuetzt, sowie recycling-verfahren fuer den behaelter
DE4204781A1 (de) * 1992-02-18 1993-08-19 Allpack Ind Lohnverpackung Verpackungseinrichtung

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US3355265A (en) * 1965-04-16 1967-11-28 United States Steel Corp Method of producing ductile coated steel and novel product
DE3519492A1 (de) * 1984-06-04 1985-12-05 Inland Steel Co., Chicago, Ill. Aluminiumbeschichtete, niedriglegierte stahlfolie
US4686155A (en) * 1985-06-04 1987-08-11 Armco Inc. Oxidation resistant ferrous base foil and method therefor
US4737381A (en) * 1985-06-04 1988-04-12 Armco Inc. Method of making an oxidation resistant ferrous base foil
US4797329A (en) * 1985-06-04 1989-01-10 Armco Inc. Oxidation resistant ferrous base foil
US5366139A (en) * 1993-08-24 1994-11-22 Texas Instruments Incorporated Catalytic converters--metal foil material for use therein, and a method of making the material
US5447698A (en) * 1993-08-24 1995-09-05 Texas Instruments Incorporated Catalytic converters--metal foil material for use therein, and a method of making the material
US5516383A (en) * 1993-08-24 1996-05-14 Texas Instruments Incorporated Method of making metal foil material for catalytic converters
FR2883007A1 (fr) * 2005-03-11 2006-09-15 Usinor Sa Procede de fabrication d'une piece d'acier revetu presentant une tres haute resistance apres traitement thermique
WO2006097593A1 (fr) * 2005-03-11 2006-09-21 Arcelor France Procede de fabrication d'une piece d'acier revetu presentant une tres haute resistance apres traitement thermique
US20080283156A1 (en) * 2005-03-11 2008-11-20 Arcelor France Method for Making a Coated Steel Part Having Very High Resistance After Heat Treatment
US7708843B2 (en) 2005-03-11 2010-05-04 Arcelormittal France Method for making a coated steel part having very high resistance after heat treatment
CN101137769B (zh) * 2005-03-11 2011-07-06 阿塞洛法国公司 在热处理后具有非常高强度的涂覆的钢零件的制造方法

Also Published As

Publication number Publication date
LU45354A1 (US06262066-20010717-C00315.png) 1964-08-04
GB1056131A (en) 1967-01-25
BE643299A (US06262066-20010717-C00315.png) 1964-08-03
NL6400848A (US06262066-20010717-C00315.png) 1964-08-10
DE1527572A1 (de) 1970-07-23

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