| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 12/22/1993 | EP0574513A1 Fe-ni based soft magnetic alloys having nanocrystalline structure. |
| 12/22/1993 | CN1023236C Method for manufacturing iron-boron-silicon alloy |
| 12/21/1993 | CA1325349C Mining/construction tool bit having bit body fabricated from mn-b steel alloy composition |
| 12/18/1993 | CA2098532A1 Fe-base soft magnetic alloy and process for making same |
| 12/15/1993 | EP0573642A1 Process for manufacturing high magnetic flux density grain oriented electrical steel sheet having superior magnetic properties. |
| 12/15/1993 | EP0573641A1 Austenitic high manganese steel having superior formability, strength and weldability, and manufacturing process therefor |
| 12/15/1993 | CN1079513A High manganese a austenitic steel having excellent shapability, strength and weldabilily and its process for production |
| 12/15/1993 | CN1079420A Hot rolled compound anticorrosive hollow rock-drill steel |
| 12/14/1993 | US5270124 Composite roll |
| 12/09/1993 | WO1993024671A1 Steel for ball and roller bearings |
| 12/08/1993 | EP0573343A1 Ferritic stainless steel sheets and foils and method for their production |
| 12/08/1993 | EP0573335A1 Stainless steel composition for construction parts, used in high vacuum and at low temperature |
| 12/08/1993 | EP0572674A1 High strength stainless steel foil for corrugation and method of making said foil |
| 12/08/1993 | EP0572666A1 Cold-rolled steel sheet and galvanized cold-rolled steel sheet which are excellent in formability and baking hardenability, and production thereof |
| 12/08/1993 | CN1079260A Austenitic stainless steel for making screen mesh |
| 12/08/1993 | CN1023040C Hard magnetic material and magnet manufactured from such hard magnetic material |
| 12/07/1993 | US5268142 High-nitrogen ferritic heat-resisting steel with high vanadium content and method of production thereof |
| 12/07/1993 | US5268044 High strength, high fracture toughness alloy |
| 12/01/1993 | EP0572246A1 Forging and a method for its manufacture |
| 12/01/1993 | EP0571705A2 Method of producing low iron loss, low-noise grain-oriented silicon steel sheet, and low-noise stacked transformer |
| 12/01/1993 | EP0571667A1 Steel for ball and roller bearings |
| 12/01/1993 | EP0571521A1 Metal wire consisting of a steel substrate with a cold hardened annealed martensitic structure, and a coating. |
| 11/30/1993 | US5266417 For liquid natural gas tanks |
| 11/30/1993 | US5265919 Pipe joint made of stainless steel and method of making the same |
| 11/30/1993 | US5265319 Used for carbonated beverages, and beers; excellent formability and corrosion resistance |
| 11/30/1993 | CA1324729C Duplex stainless steel with high manganese |
| 11/25/1993 | WO1993023581A2 Corrosion resistant iron aluminides exhibiting improved mechanical properties and corrosion resistance |
| 11/25/1993 | DE4317121A1 Wear resistant sintered ferrous alloy prodn. |
| 11/25/1993 | CA2118127A1 Corrosion resistant iron aluminides exhibiting improved mechanical properties and corrosion resistance |
| 11/24/1993 | EP0571251A1 Rotary-drum furnace for chemical reactions |
| 11/24/1993 | EP0570985A1 Iron-chromium alloy with high corrosion resistance |
| 11/24/1993 | CN1022848C Deformation high-temp. alloy based on iron nickel and chromium |
| 11/24/1993 | CN1022847C Iron-based rare-earth mamem |
| 11/23/1993 | US5264052 Fe-Ni alloy and method for producing the same |
| 11/23/1993 | US5264050 Cathode ray tubes |
| 11/23/1993 | US5264022 Composite shot |
| 11/23/1993 | CA1324562C Ultra-rapid heat treatment of grain oriented electrical steel |
| 11/23/1993 | CA1324513C Alloy steel product, die blocks and other forgings and castings made thereof and a method to manufacture the product |
| 11/17/1993 | CN1078426A Thin complexed steel plate and method for making same |
| 11/17/1993 | CN1022769C Anti-corrosion caviation-resistant abrasion-resistant steel containing rare earth |
| 11/16/1993 | US5262039 Electrodeposition of iron sheet, supplying silicon or silicon-containing material to iron sheet and homogenizing |
| 11/16/1993 | US5261975 Steel for ball and roller bearings |
| 11/16/1993 | US5261974 High-strength extra fine metal wire |
| 11/16/1993 | US5261972 Heat treatment, hot rolling, cold rolling, nitriding |
| 11/16/1993 | CA1324270C Hot work tool steel |
| 11/11/1993 | WO1993022471A1 Fe-Cr ALLOY EXCELLENT IN WORKABILITY |
| 11/11/1993 | WO1993022470A1 Composite shot |
| 11/10/1993 | EP0331740B1 MAGNETIC CORE MATERIAL FOR HIGH FREQUENCY MADE OF Fe-Co BASE ALLOY |
| 11/10/1993 | CN1078270A Unoriented electrical engineering steel plate with good magnetism and manufacture of same |
| 11/10/1993 | CN1078269A Air-cooled bainite steel with high toughness and high quenching performance |
| 11/10/1993 | CN1022698C Mn alloy steel and the process for treating same |
| 11/09/1993 | US5259892 Process for producing non-oriented electromagnetic steel sheet having excellent magnetic properties after stress relief annealing |
| 11/09/1993 | US5259887 Heat-resistant, ferritic cast steel, exhaust equipment member made thereof |
| 11/09/1993 | US5259443 Direct production process of a length of continuous thin two-phase stainless steel strip having excellent superplasticity and surface properties |
| 11/09/1993 | CA1324012C Iron-based shape-memory alloy excellent in shape-memory property and corrosion resistance |
| 11/03/1993 | EP0567612A1 Nonoriented electrical steel sheets with superior magnetic properties, and methods for manufacturing thereof |
| 11/02/1993 | US5258080 Non-oriented electrical strip and process for its production |
| 11/02/1993 | US5257453 Process for making exhaust valves |
| 11/02/1993 | CA1323776C Heat corrosion, and wear-resistant steel alloy and article |
| 10/28/1993 | WO1993021356A1 Ferritic stainless steel with excellent high-temperature salt injury resistance and high-temperature strength |
| 10/28/1993 | WO1993021012A1 Thin-sheet-clad steel sheet and method of production thereof |
| 10/28/1993 | CA2111834A1 Thin clad steel sheet and process for producing the same |
| 10/27/1993 | EP0567365A1 Austenitic stainless steel with high machine ability and improved cold work ability |
| 10/27/1993 | EP0566986A1 Process for production of grain oriented electrical steel sheet having excellent magnetic properties |
| 10/27/1993 | EP0566950A1 Use of wrought and cast alloys and welding additives for parts contacted by oleum or concentrated hot sulphuric acid and process for the preparation of sulphuric acid |
| 10/27/1993 | EP0566949A1 Process for the concentration and purification of sulphuric acid |
| 10/27/1993 | EP0566814A1 Superduplex stainless steel having high corrosion resistance and high yield strength in the solution annealed condition |
| 10/26/1993 | US5256219 Steel reinforcement tube |
| 10/26/1993 | US5256213 Bearing steel |
| 10/26/1993 | CA1323548C Maraging steel |
| 10/26/1993 | CA1323511C Iron-based shape-memory alloy excellent in shape-memory property, corrosion resistance and high-temperature oxidation resistance |
| 10/24/1993 | CA2094459A1 Use of wrought and cast materials and welding fillers for making and using hot concentrated sulphuric acid or oleum |
| 10/24/1993 | CA2094453A1 Process for concentrating and purifying sulphuric acid |
| 10/21/1993 | DE4212966A1 Martensitic chromium@ steel - has good wear resistance and high temp. tensile strength, used in building parts |
| 10/20/1993 | EP0566457A1 Clad sheets and method for producing clad sheets with an abrasion resistant layer of tool steel |
| 10/20/1993 | CN1077500A Anti-shock high strength silicon steel sheet |
| 10/20/1993 | CN1077401A 复合铸铁轧辊及其铸造方法 Composite cast iron roll and casting methods |
| 10/20/1993 | CN1022495C Heat treatment strengthening tech. for the metal material of shuttle clamp |
| 10/19/1993 | US5254307 Melting, equilibrating in controlles nitrogen atmosphere |
| 10/19/1993 | US5254184 Having limited ferrite content |
| 10/19/1993 | CA1323219C Fe-base soft magnetic alloy and method of producing same |
| 10/14/1993 | WO1993020567A1 Permanent magnet |
| 10/14/1993 | WO1993019875A1 A method of sintering machinable ferrous-based materials |
| 10/13/1993 | EP0565117A1 Martensitic stainless steel for use in oil wells |
| 10/13/1993 | EP0565066A1 A tin mill black plate for canmaking, and method of manufacturing |
| 10/13/1993 | EP0564665A2 Cracking Furnace |
| 10/13/1993 | CN1077230A Weldable and hard structural steel containing 13% of cr |
| 10/12/1993 | US5252153 Process for producing steel bar wire rod for cold working |
| 10/12/1993 | US5252149 Ferrochromium alloy and method thereof |
| 10/12/1993 | US5252144 Heat treatment process and soft magnetic alloys produced thereby |
| 10/12/1993 | US5252119 High speed tool steel produced by sintering powder and method of producing same |
| 10/06/1993 | EP0564309A1 Process for manufacturing of steel sheets and steel sheets obtained by this process |
| 10/06/1993 | EP0416098B1 Magnetically anisotropic sintered magnets |
| 10/06/1993 | CN1076969A High-temp anti-oxidation austenitic steel |
| 10/05/1993 | US5250123 Hot rolling, cold rolling, annealing then holding in nitrogen atmosphere for primary and secondary recrystallization, reducing carbon and nitrogen by holding in hydrogen atmosphere |
| 10/05/1993 | CA1322677C Silicon modified low chromium ferritic alloy for high temperature use |
| 09/28/1993 | US5248353 Method of producing steel wires each having very small diameter, high strength and excellent ductility |
| 09/22/1993 | EP0561120A1 Thin Fe-Ni alloy sheet for shadow mask and method for manufacturing thereof |
| 09/22/1993 | CN1022192C Method for smelting ferrosilicon |
| 09/21/1993 | US5246511 High-strength lead frame material and method of producing same |