Patents for C22C 33 - Making ferrous alloys (11,268)
08/1993
08/04/1993EP0553165A1 Method for the production of ductile cast iron.
07/1993
07/23/1993WO1993014896A1 Minute acicular particle containing metallic iron, iron carbide and carbon, production thereof, and magnetic coating composition and magnetic recording medium containing the same
07/23/1993CA2106685A1 Minute acicular particle containing metallic iron, iron carbide and carbon, production thereof, and magnetic coating composition and magnetic recording medium containing the same
07/22/1993WO1993013898A1 Production of atomized powder of quenched high-purity metal
07/22/1993DE4208908C1 Prodn. of soft iron@ powder - by continuous redn. and annealing in specified temp. range
07/14/1993EP0532701A4 Improved magnetic materials and process for producing the same
07/14/1993EP0478674B1 Method for preparing permanent magnets based on neodymium-iron-boron
07/14/1993CN1021607C Producing method and apparatus of anisotropic micro rare earth permanent magnetic material
07/08/1993WO1993013232A1 Solid metal-carbon matrix of metallofullerites and method of forming same
07/08/1993CA2127244A1 Solid metal-carbon matrix of metallofullerites and method of forming same
06/1993
06/30/1993CN2137255Y Iron pot
06/24/1993WO1993012359A1 Lightweight and high thermal conductivity brake rotor
06/24/1993CA2124945A1 Lightweight and high thermal conductivity brake rotor
06/23/1993CN1073489A Iron-base powder smelted brake ring for tractor
06/23/1993CN1073488A Method for increasing specific elongation of nodular cast iron tube
06/23/1993CN1073384A Method for producting rare earth alloy magnet powder
06/23/1993CN1021348C Method for smelting reduction of ni ore
06/22/1993US5221368 Treating hydrogen atmosphore under controlled conditions of temperature and pressure
06/22/1993US5221321 Consists of carbon, chromium, molybdenum, nickel, cobalt, copper, sulfur and balance iron; high strength and rigidity, wear and corrosion resistance and excellent lubricity
06/22/1993CA1319309C Die-upset manufacture to produce high volume fractions of re-fe-b type magnetically aligned material
06/16/1993EP0546799A1 Method for producing rare earth alloy magnet powder
06/16/1993CN1073215A One step smelting and casting nutrient pot from iron filing and its apparatus
06/09/1993EP0545884A2 Steel and process and installation for its preparation
06/09/1993CN1072964A Intensive-graphitized alterant
06/08/1993US5217683 Adminxture of two different iron alloy powders; compaction; sintering
06/02/1993CN1021061C Nodularizing additive for casting high toughness nodular graphite cast iron
06/02/1993CN1021060C Nodularizing additive for casting high strength nodular graphite cast iron
05/1993
05/26/1993EP0543017A1 Method and device for making metallic powder
05/26/1993EP0543010A1 Process for producing annular part
05/19/1993CN1072215A Spotted graphite cast iron and its manufacturing method
05/18/1993CA1318069C Iron-based powder mixtures
05/12/1993CN1071971A P-cu-ti low alloyed cast iron ball and producing process thereof
05/11/1993US5209789 Permanent magnet material and method for making
05/11/1993US5209772 Dispersion strengthened alloy
05/11/1993CA1317590C 2-substituted-e-fused-¬1,2,4|triazolo¬1,5- c|pyrimidines, pharmaceutical compositions, and uses thereof
05/05/1993EP0277239B1 Abrasion-resistant sintered alloy and process for its production
05/05/1993CN1071708A Directly alloying process in vanadium slag furnace
05/05/1993CN1020421C Method of producing trolley-bus collector slide block
05/04/1993CA1317203C Method for making flakes of re-fe-b type magnetically aligned material
04/1993
04/28/1993EP0538320A1 Method for processing powdered magnetic materials and products thereby obtained.
04/21/1993CN1020330C Sintered coating for porous metallic filter surfaces
04/13/1993US5201966 Method for making cylindrical, iron-based sintered slugs of specified porosity for subsequent plastic deformation processing
04/07/1993EP0535806A1 Thermoplastic coated iron powder components and methods of making same
04/07/1993CN1070602A Method for making injection molded soft magnetic material
04/07/1993CN1070601A Method for making high strength injection molded ferrous material
04/07/1993CN1070600A Production method of centrifugally compounded nodular graphite cast iron roller
04/01/1993WO1993005908A1 Camshaft and method for casting the camshaft
04/01/1993CA2116871A1 Camshaft and method for casting the camshaft
03/1993
03/31/1993EP0534864A1 Duplex stainless steel having improved corrosion resistance and process for the production thereof
03/31/1993EP0534164A2 Heat-resistant nitride dispersion strengthened alloys
03/31/1993EP0533812A1 Iron-based powder, component produced therefrom, and method of producing the component.
03/30/1993US5198137 Thermoplastic coated magnetic powder compositions and methods of making same
03/24/1993EP0532701A1 Improved magnetic materials and process for producing the same
03/23/1993US5195473 Rocker arm and method of casting
03/17/1993CN1070007A Heat-resistant nitride dispersion strengthened alloys
03/17/1993CN1020116C Electric furnace steelmaking method capable of reducing manganese from mangamese-containing ore
03/17/1993CN1020115C Method for producing chromium-containing molten iron with low sulphur concentration
03/16/1993US5194099 Sinter magnet based on fe-nd-b
03/04/1993WO1993003874A1 Powder-metallurgical composition having good soft magnetic properties
03/03/1993EP0529634A1 Method of producing amorphous alloy thin strip, suitable for use as cores of mains transformers
03/03/1993EP0529148A2 Permanent magnet material and method for making
03/03/1993EP0528952A1 Iron-based powder, component made thereof, and method of making the component.
03/03/1993CN1069525A Manufacturing method for fine cast of Fe-Mn-Al alloy
02/1993
02/24/1993CN1069290A Nodular agent for large nodular cast iron component part
02/24/1993CN1069287A Cast iron desulphurising agent and desulfurization process
02/23/1993US5188659 Sintered materials and method thereof
02/18/1993WO1993003192A1 Metal matrix alloys
02/18/1993WO1993002821A1 High-speed steel manufactured by powder metallurgy
02/18/1993WO1993002820A1 High-speed steel manufactured by powder metallurgy
02/18/1993WO1993002819A1 High-speed steel manufactured by powder metallurgy
02/18/1993WO1993002818A1 High-speed steel manufactured by powder metallurgy
02/18/1993CA2092293A1 Metal matrix alloys
02/17/1993CN1069074A Spheroidizing method for centrifugal casting compounded roller
02/17/1993CN1069073A Method for direct smelting gray iron with scrap white iron
02/16/1993US5186233 Forming iron alloy melt, desulfurization, adding sulfur containing material and magnesium and lanthanide containing materials to form spheroids
02/10/1993CN1068858A High-sulfur alloy steel and its preparation
02/03/1993CN1068598A Liner plate made of rare-earth alloyed white cast iron and its making method
02/02/1993US5183631 Composite material and a method for producing the same
01/1993
01/21/1993WO1993001319A1 Material and workpiece for nuclear engineering and production thereof
01/21/1993WO1993001318A1 Material and workpiece for nuclear engineering and production thereof
01/20/1993EP0523658A2 Method for making injection molded soft magnetic material
01/20/1993EP0523651A2 Method for making high strength injection molded ferrous material
01/20/1993CN1068149A Roller made of infinitely chilled vanadium and titanium contained nodular cast iron and its casting process
01/20/1993CN1068148A Compound spheroidizing inoculant
01/13/1993CN1067958A Cylinder cover casting process with recovered cast iron powder and anthracite coal furnace
01/13/1993CN1067928A Method for preparing electrode material for electrical discharge alloying
01/12/1993US5178826 Molding and adding magnesium and silicon containing treatment agent
01/07/1993EP0521071A1 Machinability improving supplementary powder and iron or steel powder containing such supplementary powder.
12/1992
12/30/1992EP0520507A2 A flame rod structure and a compensating circuit and control method thereof
12/30/1992CN1019671B Dry dust separation method for ferroalloy closed electrical furnace
12/29/1992US5174952 Process for the powder-metallurgical production of a workpiece
12/29/1992US5174810 Adding carbon source and tailings of silicon and iron oxides to closed furnace, heating with direct current arc, tapping alloy
12/29/1992CA1311993C Gray cast iron having both increased wear resistance and toughness
12/23/1992WO1992022395A1 Iron-based powder composition having good dimensional stability after sintering
12/23/1992CA2110808A1 Iron-based powder composition having good dimensional stability after sintering
12/16/1992EP0517770A1 A method for controlling and regulating the primary nucleation of iron melts.
12/10/1992WO1992021783A1 Metal-based material, moulded body and process for its manufacture, and use thereof
12/09/1992EP0517395A1 Method and apparatus for the production of nodular or compacted graphite iron castings
12/06/1992WO1992021462A1 Method and device for making metallic powder
12/03/1992DE4118067A1 Metallbasiswerkstoff, formkoerper und verfahren zu seiner herstellung sowie verwendung Metal-based material, formkoerper and process for its preparation and use