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  • Code of Federal Regulations > Title 40 - Protection of Environment > Clean Air Act / Air Programs (CAA) > [40 CFR Part 63] National Emission Standards for Haza...
    Specialty steel means a category of steel that includes silicon electrical , alloy, tool, and stainless steels . Steel pickling means the chemical removal of iron oxide mill scale that is formed on steel surfaces during hot rolling or hot forming of semi - finished steel products through contact with … … such contact occurs prior to shaping or coating of the …
  • Federal Register > Tuesday, June 22, 1999 > [64 FR 33202] National Emission Standards for Hazardous Air Pollutants for Steel Pickling-HCl Process Facilities an...
    Specialty steel means a category of steel that includes silicon electrical , alloy, tool, and stainless steels . Steel pickling means the chemical removal of iron oxide mill scale that is formed on steel surfaces during hot rolling or hot forming of semi - finished steel products through contact with … … such contact occurs prior to shaping or coating of the …
  • European standards for metalic materials
    … 08 Hot rolled bulb flats; dimensions and tolerances on shape and dimensions EN 10079 1995 - 12 Definition of steel products ENV 10080 1995 … … Technical delivery conditions for semi - finished products, hot rolled bars … … Cold rolled non - oriented electrical steel sheet and strip … … flat products; technical delivery conditions EN 10154 1995 - 10 Continuously hot-dip aluminium- silicon (AS) coated steel …
  • Federal Register > Wednesday, December 27, 2000 > [65 FR 81964] Effluent Limitations Guidelines, Pretreatment Standards, and New Source Performance Standards f...
    (q) Slab means a semi - finished piece of steel resulting from hot-rolling an ingot into an oblong shape , which is relatively wide and thin. Specialty steel categories include: Electrical , alloy, stainless and tool. … heat resistant steel in which the chief alloying elements are chromium, nickel and silicon in various combinations …
  • Technical and economic aspects of the manufacture of pure iron powder by a chloride method
    Some branches of industry, in which pure iron is an indispensable material, employ such substitutes as low-carbon electrical steel of the Armco iron type or resort to the use of carbonyl iron powder. … powder in the Soviet Union is to develop into a large-tonnage business, a sufficient demand must come from our industry for finished sintered articles (components of machines, instruments, and applicances) and semifinished stock (sheet, rods, shapes , tubes, etc.) produced by … … containing only negligible amounts of impurities such as carbon, sulfur, phosphorus, manganese, and silicon and aluminum oxides.
  • Powder metallurgy in Poland
    … and soft graphit[zed and polished molybdenum wire, including a grade with a silicon addition; strip clad … Parts made of them have highly complex shapes , and vary widely in size and weight-- from 0 … … iron and bronze bearings with or without graphite additions; sintered sliding bearings on steel strips; parts such … Of the many materials being supplied to the electrical industry, the most important are sintered electri- cal … In addition, small quantities are being produced of powders for welding and plasma deposition, tantalum powder, sintered alumina semifinished products, and other sintered materials for special purposes.
  • Electrical Steels for Rotating Machines
    Such steels are termed semi - finished or semi-processed. shaded pole If a copper or aluminium ring of low resistance is placed round a batch of steel laminations the time progress of flux within that core is delayed by the opposing effect … shape Many factors combine in a strip rolling process to cause strip to have some of the … … glass The magnesium oxide coating applied to grain-oriented steel reacts with the silicon content of the … 296 Electrical steels for rotating machines .
  • Successes of the institute—Successes of the sector
    … forging, and other metal-shaping methods in machine construction); metal that has been subjected to thermo- mechanical treatment; high-precision rolled shapes for fasteners; high-quality bearing steel in heavy coils for … … heat-resistant alloys; bimetallic semifinished products and tubes for … … new processes in the production of ferro- alloys, rolled products, forgings and in electrical steelmaking and powder … example, a technology developed for the production and treatment of high- silicon silicoman- ganese provides for the …
  • Federal Register > Thursday, August 9, 2001 > [66 FR 41789] Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; VOC and NOX RACT Dete...
    1) The BOFs are barrel- shaped furnaces lined with refractories. The maximum production rate is 140 tons of steel per hour, combined. The sufficient heating is ‡generated inside the furnace by electrical current flowing between the three graphite electrodes … During the oxygen-argon blowing, fluxes and ferro silicon are added to the furnace. 4) The soaking pits and heating/reheating furnaces are used to bring ingots and semi - finished steel products to a uniform temperature in order to make them suitable for hot working.
  • Inventions
    A method has been developed for making isotropic electrical steel . The method includes the refining of steel with a silicon content of 2.0-3.5%, hot … The method provides for rough forming of the channel on a rectangular semifinished product and final forming of the section with the use of two-roll passes. The resulting channel- shaped sections are joined along their bases and arranged so that they lie on …


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