Patents for C22C 33 - Making ferrous alloys (11,268)
06/1996
06/18/1996US5527376 Tungsten-iron alloy; nontoxic
06/11/1996US5525140 High speed steel manufactured by powder metallurgy
06/10/1996CA2164138A1 Agglomerated anti-friction granules for plasma deposition
06/06/1996WO1996016759A1 Manganese containing materials having high tensile strength
06/04/1996US5522914 Sulfur-containing powder-metallurgy tool steel article
05/1996
05/29/1996EP0447567B1 Corrosion-resistant tm-b-re type magnet and method of production thereof
05/29/1996CN1123337A Cold excited alloy nodular cast iron and casting method for camshaft
05/29/1996CN1123336A Method for producing cast connecting rod of engine
05/29/1996CN1123329A Method for smelting iron-powder by using cupola
05/28/1996US5520748 Process for manufacturing Alnico system permanent magnet
05/28/1996CA2039093C Partially hardened sintered body and method of manufacturing same
05/22/1996CN1122839A Process for producing high rare earth content, Cr-Al-rare earth metal-Fe alloy
05/22/1996CN1122838A Prodn. method of melt-casting carbide steel
05/15/1996EP0711845A1 Wear-resistant sintered ferrous alloy for valve seat
05/15/1996EP0711252A1 Method for production of white microsilica
05/14/1996US5516483 Hi-density sintered alloy
05/08/1996EP0710516A2 Process and injection-moulding compound for the manufacturing of shaped metallic bodies
05/08/1996CN1121989A Roll manufacture
05/07/1996US5514331 Method and device for producing stainless steel
05/07/1996US5514224 High remanence hot pressed magnets
04/1996
04/30/1996US5512236 Blending carbon, ferro manganese, and a lubricant with compressible elemental iron powder, pressing to form shape, high temperature sintering in reduced atmosphere and coining to final shape to narrow tolerance variability
04/30/1996US5512080 Fe-based alloy powder adapted for sintering, Fe-based sintered alloy having wear resistance, and process for producing the same
04/30/1996CA2004294C Mild steel for bar turning and process
04/25/1996WO1996012046A1 Amorphous metal alloy and method of producing same
04/25/1996WO1996011762A1 Composite shots and methods of making
04/25/1996CA2203174A1 Composite shots and methods of making
04/24/1996EP0707620A1 Solid lubricant and hardenable steel coating system
04/23/1996US5509975 Heating, extruding at first and second temperatures where second temperature is between softening and crystallization temperatures and no crystalline phase forms
04/16/1996US5507853 To control diffusion of carbon during sintering by using a mixture of copper, graphite and an oxide having a specific standard free energy of formation
04/16/1996US5507257 Value guide member formed of Fe-based sintered alloy having excellent wear and abrasion resistance
04/09/1996US5505760 Powder-metallurgical composition having good soft magnetic properties
04/02/1996US5503654 Also containing cobalt and molybdenum, compressibility, corrosion resistance
03/1996
03/27/1996EP0703297A1 Container for plunging pure magnesium into a treating ladle and use of said container
03/27/1996EP0703029A1 Process for preparing interlocking metal parts
03/27/1996CN1119217A Regenerating smelting process for oxide skin of high-speed tool steel
03/21/1996WO1996008329A1 Improved iron-based powder compositions containing green strength enhancing lubricants
03/20/1996EP0701494A1 Microstructurally refined multiphase castings
03/20/1996CN1118813A Producing method for Al2O3 granules reinforced wear resistance composite material
03/13/1996CN1118380A Process for producing high carbon content chrome iron
03/12/1996US5498483 Wear-resistant sintered ferrous alloy for valve seat
03/12/1996US5498276 Solid polyether, compaction
03/12/1996CA2059323C Steel powder admixture having distinct prealloyed powder of iron alloys
03/06/1996CN1118018A Method for smelting high-quality cast iron by using filings of steel and iron
03/06/1996CN1118017A Silicon-aluminium-barium alloy for steel-making and producing method thereof
03/06/1996CN1031207C Technology for directly pouring cast while smelting iron using waste iron scurf
02/1996
02/28/1996EP0698435A1 Powder metallurgy apparatus and process using electrostatic die wall lubrication
02/22/1996WO1996005007A1 Iron-based powder containing chromium, molybdenum and manganese
02/14/1996EP0696379A1 Rare earth element-metal-hydrogen-boron permanent magnet and method of production
02/06/1996US5489324 Fe-based sintered alloy having wear resistance
02/01/1996WO1996002345A1 Iron powder components containing thermoplastic resin and method of making same
01/1996
01/24/1996EP0693336A2 Method of manufacturing of a cast iron alloy for brake disks and brake drums for vehicles
01/24/1996CN1115339A Cr series white cast iron compound inoculant
01/23/1996US5486229 Raw material for producing ferrite dust for friction elements and method of reducing the same
01/17/1996EP0692547A1 Roll manufacture
01/17/1996EP0616667B1 Lightweight and high thermal conductivity brake rotor
01/16/1996US5484662 Solid lubricant and hardenable steel coating system
01/16/1996US5484469 Method of making a sintered metal component and metal powder compositions therefor
01/10/1996EP0376943B1 Method of preparing oxidation resistant iron base alloy compositions
01/09/1996US5482575 Fe-Re-B type magnetic powder, sintered magnets and preparation method thereof
01/09/1996US5482572 Method for the preparation of alloys of the rare earth metals of the SE.sub. Fe17-x TMx Ny type
01/09/1996US5482532 Solidification
01/09/1996US5482531 Titanium-free, nickel-containing maraging steel die block article and method of manufacture
12/1995
12/20/1995CN1113522A Metallurgy of 12Cr2MoWVTiB by oxygen converter
12/19/1995US5476633 Sintering blend of iron and nickel powders under pressure
12/19/1995US5476632 Powder metal alloy process
12/19/1995US5476534 Iron-based powder mixture and method
12/19/1995CA1337748C Sintered materials
12/13/1995CN1113268A Fumeless spheroidization treatment technology for spheroidal-graphite cast iron and spheroidization treatment device thereof
12/12/1995US5474624 Method of manufacturing Fe-base soft magnetic alloy
12/07/1995WO1995032827A1 IRON BASED POWDER CONTAINING Mo, P AND C
12/06/1995EP0543010B1 Process for producing annular part
12/06/1995EP0528952B1 Iron-based powder, component made thereof, and method of making the component
11/1995
11/30/1995WO1995032048A1 Metal filter for high temperature applications
11/28/1995CA2031106C Sulfur treatment of magnesium-contaminated fe-cr-al alloy for improved whisker growth
11/22/1995EP0682576A1 Sponge-iron powder
11/22/1995CN1030291C Method for making injection moulded soft magnetic material
11/22/1995CN1030290C Method for making high strength injection moulded ferrous material
11/16/1995WO1995030502A1 Sintered products having improved density
11/16/1995CA2189973A1 Sintered products having improved density
11/15/1995CN1111800A Material for permanent magnet production method thereof and permanent magnet
11/14/1995US5466414 Process for fabrication of sintered metal components
11/14/1995US5466276 Valve seat made of secondary hardening-type high temperature wear-resistant sintered alloy
11/07/1995US5464486 Solid lubricant and hardenable steel coating system
11/02/1995EP0679197A1 Process for manufacturing corrosion resistant metal products
10/1995
10/31/1995US5462808 High ductility, light weight, toughness; used in manufacturing automobiles and industrial robots
10/31/1995US5462579 Blowing oxygen gas on surface of melt from above and injecting a mixed gas from the bottom
10/31/1995US5462577 Atomizing melted steel with pressurized water jets, then drying and shaping without other heat treatments
10/31/1995US5462573 Valve seat inserts of sintered ferrous materials
10/31/1995CA1337468C Alloyed steel powder for powder metallurgy
10/25/1995EP0678585A1 Preparation of magnetostrictive material
10/25/1995CN1110722A Method of smelting ferrosilicon
10/19/1995WO1995027801A1 Vaporisation bell for metallurgical treatment in molten baths
10/18/1995EP0677591A1 Alloy steel powders, sintered bodies and method
10/18/1995CN1110427A A powdery raw material composition for a permanent magnet a permanent magnet and a method for a producing the magnet
10/18/1995CN1110330A Method for smelting iron alloy containing manganese and silicon in midfrequency electric furnace
10/17/1995US5458670 Oxidation
10/11/1995CN1109918A Atomized steel powder with good cutting performance and steel sintered with same
10/10/1995CA2011702C Method for smelting reduction of ni ore
10/10/1995CA2010356C Method for manufacturing molten metal containing ni and cr
10/05/1995WO1995026421A1 A method of making a sintered article