| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 06/27/1989 | CA1256353A1 Method of continuous casting slabs to produce good surface quality hot-rolled band |
| 06/21/1989 | EP0320820A1 Process for preparation of austenitic stainless steel having excellent seawater resistance |
| 06/21/1989 | EP0320548A1 Method of making a duplex stainless steel and a duplex stainless steel product with improved mechanical properties |
| 06/21/1989 | CN1033494A Hard magnetic material of rare earth metal, iron and carbon |
| 06/20/1989 | US4840768 High strength, corrosion resistance |
| 06/20/1989 | US4840665 Wear-resistant sintered iron-based alloy and process for producing the same |
| 06/20/1989 | CA1256004A1 Method for pearlitic rail steels |
| 06/20/1989 | CA1255926A1 Method of preparing a hard magnet by addition of a quench rate range broadening additive and a hard magnet prepared thereby |
| 06/20/1989 | CA1255890A1 Magnetic thin film |
| 06/14/1989 | EP0320064A1 Hard magnetic material of a rare earth metal, iron and carbon |
| 06/14/1989 | EP0319590A1 HIGH-STRENGTH, COLD-ROLLED STEEL SHEET HAVING HIGH r VALUE AND PROCESS FOR ITS PRODUCTION |
| 06/14/1989 | CN1033397A Heat resisting steel inserted block material of chromium-molybdenum-vanadium-titanium-rare earths |
| 06/14/1989 | CN1004494B Fe-ni-mo alloy with high strength, weak magnetism and constant elasticity |
| 06/13/1989 | US4839139 Compaction of mixed alloy particles; partly uncoated and partly coated with hard, wear resistant materials |
| 06/13/1989 | US4838963 Micro-alloyed steels |
| 06/13/1989 | US4838961 Of steel alloy containing silicon, manganese, chromium molybdenum, vanadium; hardening by quenching |
| 06/13/1989 | US4838960 Heating to partial austenite phase; cooling, tempering |
| 06/13/1989 | US4838955 Thermal aftertreatment with free nitrogen |
| 06/07/1989 | EP0319511A1 Bimetallic strip for metal saw blades |
| 06/07/1989 | CN1033334A Manufacture of pressure vessels for light water reactor core and the pressure vessels for reactor core therefore |
| 06/07/1989 | CN1033293A Non-magnetic iron-base stainless steel used for cold upsetting |
| 06/07/1989 | CN1033292A 铸钢 Cast |
| 06/07/1989 | CN1033291A Crmnn austenitic heat-resistant steel |
| 06/06/1989 | US4837108 Containing bismuth; hot workability |
| 06/06/1989 | US4836981 Corrosion resistance, concrete reinforcing structure from sea salt water |
| 06/06/1989 | US4836976 Austenitic stainless steel alloy |
| 06/06/1989 | US4836848 Fe-based sintered alloy for valve seats for use in internal combustion engines |
| 06/01/1989 | WO1989005031A1 SINTERED Fe-Nd-B MAGNET |
| 06/01/1989 | DE3839154A1 Bohrmeissel A drill bit |
| 05/31/1989 | EP0317864A1 Use of a chromium-containing alloy |
| 05/30/1989 | US4834808 Producing a weldable, ferritic stainless steel strip |
| 05/24/1989 | EP0316811A2 Anti-theft sensor marker |
| 05/24/1989 | CN1033078A Process of ferro-manganese alloy manufacturing for internal rotor of hysteresis motor |
| 05/23/1989 | US4833044 Film type magnetic recording medium |
| 05/23/1989 | US4832912 Thermal and wear resistant tough alloy |
| 05/23/1989 | US4832909 Low cobalt-containing maraging steel with improved toughness |
| 05/23/1989 | US4832908 Nickel, cobalt, iron alloy |
| 05/23/1989 | US4832765 Austenitic and ferritic steels, corrosion and pitting resistance |
| 05/23/1989 | US4832757 Pumps, carbon, manganese, molybdenum steels |
| 05/17/1989 | EP0315948A2 Process for preparation of thin grain oriented electrical steel sheet having excellent iron loss and high flux density |
| 05/17/1989 | CN1032961A A kind of heat-resistant martensite steel |
| 05/16/1989 | EP0256121A4 Corrosion resistant stainless steel alloys having intermediate strength and good machinability. |
| 05/16/1989 | CA1254062A1 Manufacturing process of martensitic stainless steel machine bars or wires and the like |
| 05/10/1989 | EP0315043A2 Method for measuring roll-force in rolling mills |
| 05/10/1989 | EP0314901A2 High strength nitrogen-containing, fully austenitic cobalt steels with a 0,2 yield strength exceeding 600 N/mm2 |
| 05/09/1989 | US4828630 Chromium, nickel, nitrogen and iron; automotive underbody components |
| 05/09/1989 | CA1253720A1 Ordered arrays of ferromagnetic composites |
| 05/05/1989 | WO1989003898A1 Use of a tool steel for tools for pressing motor car sheet steel |
| 05/03/1989 | EP0314649A2 Ferritic-martensitic stainless steel alloy with deformation-induced martensitic phase |
| 05/03/1989 | EP0314424A2 Magneto-optic recording medium |
| 05/03/1989 | EP0314145A1 Method for manufacturing steel article having high toughness and high strength |
| 05/03/1989 | EP0314144A1 Method for manufacturing steel article having high toughness and high strength |
| 05/03/1989 | EP0313549A1 A steel strip and a tool made thereof |
| 05/03/1989 | CN1032680A Heat-resisting cast steel containing rare earth and high-chrome ferrite |
| 05/03/1989 | CN1032679A Steel for main shaft of large machine tools |
| 05/02/1989 | US4827178 Nickel-chromium-iron alloy, dimensional stability, color television |
| 05/02/1989 | US4826655 Cast high silicon heat resistant alloys |
| 05/02/1989 | US4826543 Of carbon, manganese, nickel, molybdenum, aluminum and iron, hot rolling, quenching, tempering |
| 04/27/1989 | DE3835475A1 Steel sheet electroplated with a zinc alloy for the outside of motor vehicle bodies, and process for its manufacture |
| 04/27/1989 | DE3734977A1 Aluminiumbeschichtetes stahlblech mit hoher rostbestaendigkeit gegenueber auspuffgasen Exhaust gases aluminum coated steel sheet with high rostbestaendigkeit opposite |
| 04/26/1989 | CN1032556A Hot rolled steel sheet, and process for manufacturing it |
| 04/25/1989 | US4824637 Alloy phase stability index diagram |
| 04/25/1989 | US4824636 Austenitic steel with improved high-temperature strength and corrosion resistance |
| 04/25/1989 | US4824635 P-added ferritic stainless steel having excellent formability and secondary workability |
| 04/25/1989 | US4824493 Process for producing a grain-oriented electrical steel sheet having improved magnetic properties |
| 04/25/1989 | US4824491 Process for the production of a strip of a chromium stainless steel of a duplex structure having high strength and elongation as well as reduced plane anisotropy |
| 04/25/1989 | US4823451 Forged cold-rolling roll |
| 04/19/1989 | EP0312426A1 Method of fabricating a light water nuclear reactor vessel and nuclear reactor vessel fabricated by this method |
| 04/19/1989 | EP0312063A1 Thermal treatment for increasing magnetostrictive response of rare earth-iron alloy rods |
| 04/19/1989 | EP0312054A1 Free-cutting steel having high fatigue strength |
| 04/18/1989 | US4822693 Copper-iron-nickel composite material for electrical and electronic applications |
| 04/18/1989 | US4822567 Sanitary articles; improved workability |
| 04/18/1989 | US4822556 Austenitic stainless steel combining strength and resistance to intergranular corrosion |
| 04/18/1989 | US4822415 Thermal spray iron alloy powder containing molybdenum, copper and boron |
| 04/12/1989 | EP0311049A2 Corrosion resistant rare earth metal magnet |
| 04/12/1989 | CN1032368A Alloy steel used for cutting edge of high-speed cold shears |
| 04/11/1989 | US4820486 Low alloy steel having good stress corrosion cracking resistance |
| 04/11/1989 | US4820484 Hot isostatic pressing of prealloyed powder of coal, chromium, silicon, manganese |
| 04/11/1989 | US4820357 Low grade material axle shaft |
| 04/11/1989 | CA1252311A1 Special steels and their method of preparation |
| 04/11/1989 | CA1252309A1 Corrosion-resistant steel tube |
| 04/06/1989 | DE3803064C1 Cold-rolled sheet or strip, and process for its manufacture |
| 04/06/1989 | DE3728476C1 Use of a steel as material for producing pipes for door reinforcement |
| 04/05/1989 | EP0310416A2 Timepiece |
| 04/05/1989 | EP0310115A1 Iron base powder mixture and method |
| 04/05/1989 | EP0309657A1 Pulverulent metal-containing material and process for the production of a protective layer |
| 04/05/1989 | EP0309587A1 Abrasion-resistant composite roll and process for its production |
| 04/05/1989 | CN1032198A Antiwear low-manganese steel containing vanadium and titanium |
| 04/05/1989 | CN1032197A Productive method for particulate si-p-fe alloy |
| 04/04/1989 | US4818485 Nickel, chromium, molybdenum, manganese, silicon, titanium, niobium, vanadium, carbon, nitrogen, phosphorus, boron, iron |
| 04/04/1989 | US4818484 Austenitic, non-magnetic, stainless steel alloy |
| 04/04/1989 | US4818483 Alloy resistant to seawater and corrosive process fluids |
| 04/04/1989 | US4818299 Bake hardenable, titanium-containing |
| 04/04/1989 | CA1251952A1 Steel materials for welded structures |
| 03/29/1989 | EP0308751A1 Hot rolled steel sheet having high resistances against secondary-work embrittlement and brazing embrittlement and adapted for ultra-deep drawing and a method for producing the same |
| 03/28/1989 | US4816218 Process of using an iron-nickel-chromium alloy in an oxidation attacking environment |
| 03/28/1989 | US4816217 High-strength alloy for industrial vessels |
| 03/28/1989 | US4816216 Interdiffusion resistant Fe--Ni alloys having improved glass sealing |
| 03/28/1989 | US4816090 Heat treated cold rolled steel strapping |
| 03/28/1989 | US4816085 Chromium, copper, molybdenum, nickel, nitrogen, iron; austenitic-ferritic |