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  • Us Patent For Rolling Bearing Steel Having A Surface With

    Sep 28, 2001 A method for producing a rolling bearing component, in which, before ustenizing, the steel is subjected to cold deformation and quenching is such that the bainitic structure is obtained and a rolling bearing component produced by the method, such as a rolling bearing ring from 1C to 1,5Cr type series steel, in which at least the surface of the rolling bearing

  • Us Patent For Method For Flexibly Rolling Coated Steel

    Jan 31, 2008 Justia Patents Metal Coating US Patent for Method for flexibly rolling coated steel strips Patent (Patent 8,522,586) Method for flexibly rolling coated steel strips . Jan 31, 2008 - Voestalpine Stahl GmbH. The invention relates to a method for producing a sheet metal component. A hot or cold strip is electrolytically coated or coated in a ...

  • Steel Rolling Door Cheng Sui K

    United States Patent 5476130 . Abstract An improved steel rolling door is equipped with a a number of pivot plates which are engaged with each other side by side and pivotally associated with one side of the topmost collapsible door plate, and a plurality of pulling wires which are engaged with the opposite side thereof so as to permit the ...

  • Structrualshape Steel Rolling Mill And Method Of

    United States Patent 4791799 . Abstract The structural steel rolling mill comprises a reversing two high rough rolling mill, at least one universal working rolling mill and at least one flanging edging rolling mill included in a reversing tandem rolling mill group, and a universal finishing rolling mill at the outlet end of the structural ...

  • Method Of Cutting Steel Products In A Rolling Line Nkk

    Sep 13, 1991 United States Patent 5156033 . Abstract A multiplicity of cooled steel products, after having been severed from an as-rolled steel, divided into sectional bars and delivered to and accumulated on a cooling hearth, are taken from the cooling hearth, and delivered to a multi-bar straightening machine. ... The steel rolling lines as shown in FIGS ...

  • Cn111607738b

    The Chinese invention patent application (application publication No. CN109023127A, application publication date 2018-12-18) discloses a method for producing a corrosion-resistant high-speed railway steel rail with improved corrosion resistance and decarburization resistance of a steel rail surface layer, wherein rolling waste heat of steel ...

  • Microalloyed Steel Rolling Bearings Ovaka Steel

    Apr 29, 1998 A micro-alloyed steel for rolling bearings and especially for HBU/THU forgings with improved yield strength in as forged condition. The steel has the following composition 0.5-0.7% C, 0-0.6% Si, 0.4-

  • Method For Producing Steel Rolling Bearing Rings Patent

    Aug 04, 1997 Method for producing steel rolling bearing rings. Cite. Download. Patent JP-2002503788-A Date Priority . 1997/08/04. This web page summarizes information in PubChem about patent JP-2002503788-A. This includes chemicals mentioned, as reported by PubChem contributors, as well as other content, such as title, abstract, and International Patent ...

  • Method Of Rolling Steel Shapes And Apparatus Therefor

    Jan 31, 1991 3. A method of rolling steel shapes as set forth in claim 1 wherein the edging mill is a variable-width type edging mill. 4. A method of rolling steel shapes as set forth in claim 1 wherein horizontal rolls of the first universal mill are of the fixed-width type, an inner web length of the steel shape is decreased in the final pass. 5.

  • Steel And Stainless Steel Cold Rolling Oil Composition

    Feb 08, 2000 1. Steel and stainless steel cold rolling oil composition comprising a base stock oil and, based on the total weight of the composition, from 1 to 80% by weight of di (2-ethylhexyl) adipate. 2. Oil composition according to claim 1, comprising, based on the total weight of the composition, from 1 to 30% by weight of di (2-ethylhexyl) adipate.

  • Lubricant Fluid For The Coldrolling Of Steel Agip

    Lubricant fluids for the cold-rolling of steel, comprising one or more organic carbonates of general formula (I) STR1 where R and R, which can be identical or different, represent a C 6-C 30 linear or branched alkyl, cycloalkyl or cycloalkyl-alkyl radical, possibly mixed, in a quantity sufficient to provide the composition with the lubricant power necessary for the particular

  • Electrical Steel Processing Without A Post Coldrolling

    Embodiments of the present invention comprise annealing steel sheets (e.g., hot rolled steel sheets or thin cast strip steel) cold rolling the sheets in one or more cold rolling steps (e.g., with annealing steps between multiple cold rolling steps) and performing one or more of tension leveling, a rough rolling, or a coating process on the sheets after cold rolling, without an

  • Metal Rolling Mill Equipment Industrial And Arc Furnaces

    Expert in Metal Rolling Mill Equipment, Industrial and Arc Furnaces, Workplace Accidents, and Patent Infringement. Expert ID 107991 New York, USA ... start-up, and maintenance of equipment in a cold rolling facility that had six steel rolling mills, eight slitting lines, 24 annealing furnaces, and all associated ancillary machinery.

  • Research And Development Innovation And

    New casting techniques, more advanced steel rolling processes, and better monitoring and control systems, for example, have helped the industry to reduce the ... and not all patent applications will be novel enough to receive a patent. Well-designed policies for the steel industry can play an important role in fostering investment in RD

  • De3627729a1 Form Steel Rolling Mill

    seitig vorgesehenen Universal-Fertiggerst. The invention relates to a shaped steel rolling mill a reversing roughing stand and reversing tan the grouped universal work

  • Gb2194186a Method Of Rolling Steel Workpieces

    A method of hot rolling high strength steel workpieces, such as reinforcing bars, comprises at least two stages of rolling. The last stage of rolling, during which the cross- section of the workpiece is reduced by at least 50%, is effected in two or more passes at a temperature above the AR3 of the material with a time delay of less than 1 second between passes.

  • Jph04168247a Steel With Superior Rolling Fatigue

    steel rolling fatigue oxide inclusions fatigue characteristic composition Prior art date 1990-10-31 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.) Pending Application number JP29489990A Other languages ...

  • Cn101704027b Watercooling Device For Rolling

    1. water-cooling device for rolling steel, comprise the water-cooled long tube, water-cooled case and water-cooled short tube, the wire rod steel that is rolled enters by described water-cooled long tube rear end from described water-cooled short tube front end and exports, it is characterized in that described water-cooled short tube front end is connected with the

  • Method For Producing Steel Rolling Bearing Rings

    1 Abstract The invention relates to a method for producing steel rolling bearing rings starting from a hot-rolled tube with a structure which is similar to the structure of spheroidite, and rings of the same continuous length which are hot-separated with the addition of a lubricant and re-machined after cooling.

  • Rolling Bearings For Steel Rolling Mills Patent Jp

    Jun 16, 2008 This web page summarizes information in PubChem about patent JP-5200682-B2. This includes chemicals mentioned, as reported by PubChem contributors, as well as other content, such as title, abstract, and International Patent Classification (IPC) codes. To read more about how this page was constructed, please visit the PubChem patents help page.

  • Jph02247357a Steel For Form Rolling Die Google

    JPH02247357A JP6946189A JP6946189A JPH02247357A JP H02247357 A JPH02247357 A JP H02247357A JP 6946189 A JP6946189 A JP 6946189A JP 6946189 A JP6946189 A JP 6946189A JP H02247357 A JPH02247357 A JP H02247357A Authority JP Japan Prior art keywords steel rolling die impurities carbide regulated Prior art date 1989-03-22 Legal status

  • Method Of Cutting Steel Products In A Rolling Line Nkk

    Sep 13, 1991 A method of the invention is applied to cutting cooled products into determined length (product length) in a rolling line of steel products, and especially contributes to improvement of productivity of the steel rolling line and reduction of facility installing spaces, workability by altering a lay-out of the operation in the rolling line.

  • Bearing Steel And Rolling Bearing Made Thereof Nippon

    Oct 09, 1990 A long-life bearing steel and a long-life rolling bearing made of the steel are disclosed. In the steel, the number of oxide or oxide-based inclusion particles in a given unit area A of 160 mm 3 with an average particle size of 3 to 30 m is 80 or less and an abundance of oxide or oxide-base inclusion particles with 10 m or more average particle size to oxide or

  • Steel Rerollingtechnology Machinery Plant Patent

    The main users of scrapped irons are the local steel re-rolling mills producing MS rods, MS bars, angles and steel sheets for domestic market. A furnace is an equipment used to melt metals for casting or to heat materials to change their shape (e.g. rolling, forging) or

  • Us Patent For Electrical Steel Processing Without A Post

    Mar 22, 2019 Embodiments of the present invention comprise annealing steel sheets (e.g., hot rolled steel sheets or thin cast strip steel) cold rolling the sheets in one or more cold rolling steps (e.g., with annealing steps between multiple cold rolling steps) and performing one or more of tension leveling, a rough rolling, or a coating process on the sheets after cold rolling,

  • Bethlehem Steel Rolling Mill Mechanical Patent Tshirt

    Bethlehem steel mechanical patent for rolling mills producing structural steel and I-beams screen printed in small batches. Add to Cart. Add to Cart. Share this

  • Guide For Use In Steel Rodwire Rod Rolling Mill Patent

    Aug 25, 2011 THE PATENTS ACT, 1970 (39 of 1970) The Patent Rules, 2003. COMPLETE SPECIFICATION. 1. TITLE OF THE INVENTION GUIDE FOR USE IN STEEL ROD/WIRE ROD ROLLING MILL. 2. APPLICANT Name JFE STEEL CORPORATION. Nationality Japan. Address 2-3, Uchisaiwai-cho 2-chome, Chiyoda-ku, Tokyo 100-0011 Japan. 3. PREAMBLE

  • Method Of Rolling Sheet Steel Cage Trio Of Louth

    Method of rolling sheet steel // 2152277. The invention relates to the field of metallurgy and can be used in finishing mills trio of Louth. Site roll rolling stands of a sheet mill // 2146973. The invention relates to rolling production, but rather to the

  • New Patent Cd For Rolling Steel Door Other

    Following is a sample of the information contained on this CD BACKGROUND OF THE INVENTION The present invention relates to a rolling steel door, and more particularly to a light structure of rolling steel door, which needs less storage space when rolled up. FIGS. from 7 through 10 show a rolling steel door 2 according to the prior art.

  • Steel Angular Section Hot Rolling Method

    The invention relates to metallurgy, and more particularly to rolling production, and can be used to obtain angular steel with a reduced thickness of the shelves. A known method of hot-rolled equal angle steel, on which the ends of the shelves burst in pre caliber are bent at an angle of 45 to the vertical axis of symmetry of the area 1.

  • Baosteel Says It Will Fight Nippon Steels Patent

    Oct 14, 2021 LONDON, Oct 14 (Reuters) - Chinas Baoshan Iron Steel Co Ltd (Baosteel) (600019.SS) said on Thursday it did not agree with Japanese rival Nippon Steels (5401.T) claims that it infringed patents ...

  • Steel Rolling Kinsley Makes Its Mark On Old Williams

    Oct 08, 2021 Steel rolling Kinsley makes its mark on old Williams Bridge Co. building Jonathan Spiers October 8, 2021 13 If the big, red letters on the roof dont make it clear, theres a new name in town running the steel operation at the former Williams Bridge Co.

  • History Of The Steelmark American Iron And Steel Institute

    In the 1960s, U. S. Steel turned over the Steelmark program to the AISI, where it came to represent the steel industry as a whole. During the 1970s, the logos meaning was extended to include the three materials used to produce steel yellow for coal, orange for ore and blue for steel scrap. In the late 1980s, when the AISI founded the Steel ...

  • Rewinding Marcals History Among Mills Patents Was One

    Dec 31, 2021 Sold in 1931, it introduced the concept of rolling waxed paper around a central cylinder and placing it in a box with a serrated metal edge for consumers. ...

  • Products Steel Plantech

    Bar Steel Rolling. Steel Plantech has a track record of supplying high-quality, high-precision rolling mills of any range. We will continue to provide, in all of the rolling mills required by our customers, state-of-the-art technology of the highest levels at competitive prices. Section Rolling Mill Bar and Wire Rod Mill Shifting Reverse Mill