Patents
Sitemap › C22 - Metallurgy; Ferrous or non-ferrous alloys; Treatment of alloys or non-ferrous metals › C22C - Alloys › C22C 38 - Ferrous alloys, e.g. steel alloys
Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
12/1991
12/04/1991CN1056716A High-strength cold rolling diphase steel plate and made method
12/04/1991CN1015002B Magnetism-free stainless steel
12/03/1991US5069871 Method of using an austenitic steel alloy as a wear part subject to gouging abrasion type metal loss
12/03/1991US5069870 High-strength high-cr steel with excellent toughness and oxidation resistance
12/03/1991US5069731 Low-frequency transformer
12/03/1991CA1292646C Process for the production of multi-metallic amorphous alloy coatings
11/1991
11/27/1991EP0458646A1 Bearing steel
11/27/1991EP0458606A1 Palladium-containing austenitic steel for use in contact with concentrated sulfuric acid at high temperatures
11/27/1991CN1056535A Steel material for rolling wheel of automobile
11/27/1991CN1014908B Method of manufacturing pipe and drilling rod unit for petroleum and natural gas industry
11/27/1991CN1014907B Heat-resisting chromium steel for making
11/26/1991USRE33753 Austenitic improved high-temperature strength corrosion resistance of carbon, nitrogen, manganese, chromium, nickel, molybdenum, vandadium, niobium, silicon, sulfur, phosphorus and iron
11/26/1991US5067993 Magnetic core material made of fe-co base alloy for high frequencies
11/26/1991US5067991 Alloy of iron, copper, vanadium, silicon and boron
11/26/1991US5067551 Method for manufacturing alloy rod having giant magnetostriction
11/21/1991EP0457658A1 Stainless steel for use in native water environments
11/20/1991CN1014829B Magnetoelastic torque transducer
11/19/1991US5066458 Nickel-iron alloy
11/19/1991US5066455 High strength, ductility, rapid isothermal transformation from face centered cubic to body centered cubic
11/19/1991US5066343 Process for preparation of thin grain oriented electrical steel sheet having superior iron loss and high flux density
11/19/1991CA1292329C Light water nuclear reactor pressure vessel fabrication process and the vessel thus fabricated
11/19/1991CA1292135C Concrete reinforcing steel bar or wire
11/13/1991CN1056130A Anti-corrosive kovar alloy
11/12/1991US5064610 Heat resistant steel for use as material of engine valve
11/12/1991US5063986 Rare earth and transition metal alloy
11/12/1991CA1291886C Iron alloy containing molybdenum, copper and boron
11/06/1991EP0455625A1 High strength corrosion-resistant duplex alloy
11/05/1991US5063116 Wire for dot printer
11/05/1991US5062908 Valve guide
11/05/1991US5062907 Hard magnetic material and magnet manufactured from such hard magnetic material
11/05/1991US5062906 Aluminum nitrides
10/1991
10/31/1991WO1991016468A1 Air hardening steel
10/31/1991WO1991016462A1 Process for producing unidirectional magnetic steel sheet excellent in magnetic characteristics
10/30/1991CN1055773A Low cobalt superhard high speed steel
10/29/1991US5061441 Highly wear-resistant roll steel for cold rolling mills
10/29/1991US5061440 Ferritic heat resisting steel having superior high-temperature strength
10/29/1991US5061326 Method of making high silicon, low carbon regular grain oriented silicon steel
10/29/1991US5061325 Method of producing high tension steel superior in weldability and low-temperature toughness
10/29/1991CA1291400C Method of manufacturing extra-thick, high strength steel sheets
10/23/1991EP0453284A2 Process for manufacturing double oriented electrical steel having high magnetic flux density
10/23/1991EP0453270A2 Rare-earth based magnetic materials, production process and use
10/23/1991EP0452550A1 Wire for dot printer
10/23/1991EP0452526A1 High fatigue strength metal band saw backing material
10/23/1991CN1055564A Bendable hot-rolling steel strip with improved deep-drawing property
10/22/1991US5059389 Low alloy steel product
10/19/1991CA2040686A1 Magnetic materials
10/18/1991CA2034336A1 Coating systems for titanium oxidation protection
10/17/1991WO1991016467A1 Heat resistant alloys
10/17/1991WO1991015605A1 Method and apparatus for making card clothing
10/17/1991CA2058997A1 Heat resistant alloys
10/16/1991EP0452122A2 Method of producing grain oriented silicon steel sheets having less iron loss
10/16/1991CN1055397A Heat-resistant antifriction self-lubricating material and its manufacturing method
10/15/1991CA1290657C Method of directly softening rolled machine structural steels
10/13/1991WO1991016469A1 Austenitic, non-magnetic, stainless steel alloy and articles made therefrom
10/11/1991CA2031281A1 Permanent magnet having improved corrosion resistance and method for producing the same
10/10/1991WO1991015608A1 Iron-copper alloy plate with alloy structure excellent in homogeneity
10/09/1991EP0450127A1 Flexible hot rolled steel sheets having improved deep drawability
10/08/1991US5055253 Metallic composition
10/08/1991US5055146 Permanent magnet alloy
10/08/1991US5055128 Sintered fe-co type magnetic materials
10/03/1991WO1991014811A1 High strength cord
10/03/1991WO1991014796A1 Heat-resistant ferritic stainless steel excellent in low-temperature toughness, weldability and heat resistance
10/03/1991WO1991014573A1 Tires with high strength reinforcement
10/02/1991EP0449611A1 Heat resistant steel
10/02/1991EP0449600A2 Multilayer tubing made from metal and production process therefor
10/02/1991EP0449289A2 Method of manufacturing high permeability Fe-Ni system alloy
10/02/1991EP0448791A1 High yield strength weld metal alloy and method for its deposition
10/01/1991US5053284 Wear-resistant compound roll
10/01/1991US5053194 Improved fatigue resistance at welded joints
10/01/1991US5052232 Magnetoelastic torque transducer
10/01/1991CA2039407A1 Multilayer tubing made from metal and production process therefor
10/01/1991CA1289777C Continuous-cast low-carbon resulfurized free-cutting steel
09/1991
09/25/1991EP0448482A1 Preparation process of an oriented and textured magnetic body
09/25/1991EP0447567A1 Corrosion-resistant tm-b-re type magnet and method of production thereof
09/25/1991CN1054802A Low-alloy steel to resist dew point corrosion of sulphuric acid
09/25/1991CN1014081B Low alloy high speed steel
09/25/1991CN1014080B Niobium-containing high strength fishing
09/25/1991CN1014079B Maraging steel and method of its production
09/24/1991US5051234 High corrosion-resistant electromagnetic stainless steels
09/24/1991US5051233 Acid resistance in iron, chrome, nickel and silicon alloy
09/24/1991US5051200 Flexible high energy magnetic blend compositions based on rare earth magnetic particles in highly saturated nitrile rubber
09/24/1991US5051138 Quenching and solidification of melts of steel sheets, cold rolling and annealing
09/23/1991CA2038639A1 Method for preparing an oriented and textured magnetic material
09/20/1991CA2038442A1 Ferrous alloy for turbine components and heat treatment for improved properties
09/19/1991WO1991014271A1 Perromagnetic materials
09/18/1991EP0447109A1 Austenitic steel having superior characteristics in resistance against stress corrosion cracking, method for producing of same and usage of same
09/18/1991CN1054619A Barium titanium silicon iron composition intermediate alloy
09/18/1991CN1013961B High temp. character of improved selected chromium-molybdenum improved alloy and method for soldable ability
09/17/1991US5049210 Oil Country Tubular Goods or a line pipe formed of a high-strength martensitic stainless steel
09/17/1991US5049208 Permanent magnets
09/17/1991US5049205 Decarburization, nitriding
09/17/1991US5049203 With boron and iron
09/17/1991US5049183 Sintered machine part and method
09/11/1991EP0446188A1 Stainless steel
09/11/1991EP0445519A1 Wear-resistant steel for intermediate and room temperature service
09/11/1991CN1013885B Special high-speed containing cobalt and aluminium
09/10/1991US5047096 Ferritic-martensitic stainless steel alloy with deformation-induced martensitic phase
09/10/1991CA1288620C Process and composition for improved corrosion resistance
09/08/1991WO1990010722A1 Iron aluminide alloys with improved properties for high temperature applications
09/04/1991EP0445094A1 High strength stainless steel
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