| Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120) |
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| 03/19/2008 | CN101147016A Lower strength material for mls layers |
| 03/19/2008 | CN101146924A Steel for oil well pipe having excellent sulfide stress cracking resistance and method for manufacturing seamless steel pipe for oil well |
| 03/19/2008 | CN101146923A Coating steel bands comprises heating bands and applying liquid metal coating |
| 03/19/2008 | CN101146917A Method of manufacturing martensitic stainless steel |
| 03/19/2008 | CN101146608A Gas-adsorbing substance, gas-adsorbing alloy and gas-adsorbing material |
| 03/19/2008 | CN101144376A Continuous expansion tube |
| 03/19/2008 | CN101144162A Hot press forming method, electroplating steel products thereof and preparation method for the same |
| 03/19/2008 | CN101144142A Heat treatment method of high-strength high-toughness hot continuous rolling steel plate for engineering machine |
| 03/19/2008 | CN101144141A Steel for high-strength 13Cr oil sleeve and manufacturing method thereof |
| 03/19/2008 | CN101144140A Flying shear blade and preparation method thereof |
| 03/19/2008 | CN101144139A Steel for high-strength weather-proof low-alloy electric force bar and preparing method thereof |
| 03/19/2008 | CN101144138A Steel plate for low temperature pressure container and producing method thereof |
| 03/19/2008 | CN101144137A Steel for niobium-containing high-strength corrosion-resistant steel bar and rolling technique thereof |
| 03/19/2008 | CN101144136A Steel for vanadium-containing high-strength corrosion-resistant steel bar and producing technique thereof |
| 03/19/2008 | CN101144113A Technique for producing deep-drawing cold-rolled plate based on CSP technique |
| 03/19/2008 | CN100375829C Method for producing J55-grade steel for petroleum casing based on electric furnace sheet billet continuous casting an rolling process |
| 03/18/2008 | US7344605 Exchange spring magnet powder and a method of producing the same |
| 03/18/2008 | CA2266825C Non-oriented electromagnetic steel sheet excellent in magnetic characteristics after stress relief annealing and method of manufacturing the same |
| 03/13/2008 | WO2008029682A1 Hydrogen generation device and fuel cell system with the same |
| 03/13/2008 | WO2008029583A1 Fire-resistant steel excellent in high-temperature strength, toughness and reheat embrittlement resistance and process for production of the same |
| 03/13/2008 | WO2008029268A1 Steel preferably suitable for making shells of caster rolls for aluminium and its alloys and relevant heat treatment |
| 03/13/2008 | WO2008029011A2 Steel plate for producing light structures and method for producing said plate |
| 03/13/2008 | WO2008028990A1 Method for manufacturing a disc blade, a disc blade and use of an auxiliary material in manufacturing thereof |
| 03/13/2008 | WO2008028561A1 Components made of steels with an ultrahigh carbon content and with a reduced density and high scaling resistance |
| 03/13/2008 | WO2008028447A1 Steel, and processing method for the production of higher-strength fracture-splittable machine components |
| 03/13/2008 | WO2008007346A3 Method for the production of powder composite cores and powder composite core |
| 03/13/2008 | WO2008007345A3 Method for the production of magnet cores; magnet core and inductive component with a magnet core |
| 03/13/2008 | US20080063903 Ductile brazing foil; iron additive causes a reduction in the liquidus temperature compared to the iron-free nickel-silicon-boron system; low liquidus temperature for use on heat exchangers, fuel cells, internal combustion engines, tool molds, injection molds |
| 03/13/2008 | US20080060728 Method of manufacturing a nonoriented electromagnetic steel sheet |
| 03/13/2008 | US20080060727 Ferrous seal sliding parts and producing method thereof |
| 03/13/2008 | US20080060477 High density compacts; prepared by mixing iron alloy with graphite, applying compaction pressure, heating; improved static and dynamic mechanical strength |
| 03/13/2008 | CA2666677A1 Steel and processing method for the manufacture of high strength, fracture-splittable machinery components |
| 03/12/2008 | EP1898048A1 Rotor for steam turbine and process for producing the same |
| 03/12/2008 | EP1897964A1 High-strength wire rod excelling in wire drawing performance and process for producing the same |
| 03/12/2008 | EP1897963A1 Steel sheet for the manufacture of light structures and manufacturing process of this sheet |
| 03/12/2008 | EP1897650A2 Nickel-iron based soldering material and soldering method |
| 03/12/2008 | EP1896624A1 Martensitic stainless steel composition, method for making a mechanical part from said steel and resulting part |
| 03/12/2008 | EP1896623A1 High-strength, lightweight austenitic-martensitic steel and the use thereof |
| 03/12/2008 | EP1896622A1 Oxygen activating material, combustion efficiency improving material, plant growth promoting material, aerobic microorganism activating material, animal growth promoting and activating material, muscle softening material, rust removing and preventing material, and oxygen activating method |
| 03/12/2008 | CN101142337A Martensitic stainless steel for moulds and injection mould frames |
| 03/12/2008 | CN101142336A Linepipe steel |
| 03/12/2008 | CN101142335A High tensile steel product excellent in delayed fracture resistance and method for production thereof |
| 03/12/2008 | CN101142334A Stainless steel for disc brake having excellent heat resistance and corrosion resistance |
| 03/12/2008 | CN101139692A Martensitic stainless steel cementation method and product thereof |
| 03/12/2008 | CN101139688A Low-cost rare earth chromic manganese nitrogen stainless steel |
| 03/12/2008 | CN101139687A Weather-resistant hot rolled broad steel strip and method for manufacturing same |
| 03/12/2008 | CN101139686A Austenitic stainless steel |
| 03/12/2008 | CN101139685A High-strength antifatigue steel products and method for manufacturing same |
| 03/12/2008 | CN101139684A Hot-rolled high-strength steel plate for electrostatic enamel and method for manufacturing same |
| 03/12/2008 | CN101139683A Air corrosion resistant steel |
| 03/12/2008 | CN101139682A Straight joint resistance welding oil annular tube steel and manufacturing method thereof |
| 03/12/2008 | CN101139681A High grade cold rolling non-oriented silicon steel and method for manufacturing same |
| 03/12/2008 | CN101139680A Automobile beam plate material |
| 03/12/2008 | CN100374609C Novel chrome steel high speed steel and heat treatment process thereof |
| 03/12/2008 | CN100374608C High-strength anti-corrosion steel plate for rail vehicle and its making method |
| 03/12/2008 | CN100374607C Tungsten-containing high manganese steel for wear-resistant casting |
| 03/12/2008 | CN100374606C Medium carbon low alloy steel for light high speed train wheel |
| 03/12/2008 | CN100374605C Power-matallurgy valve seat inserts |
| 03/12/2008 | CN100374604C Non-heat treated steel for soft-nitriding |
| 03/12/2008 | CN100374603C Hot forged non-heat treated steel for induction hardening |
| 03/12/2008 | CN100374602C Steel composition and parts forged by a forging die |
| 03/12/2008 | CN100374601C Grain oriented electric silicon steel sheet or strip with extremely high adherence to coating and process for producing the same |
| 03/12/2008 | CN100374600C Producing medium carbon magnganese iron by duplexing rocking furnace method |
| 03/12/2008 | CN100374586C High-strength hot-rolled steel sheet excellent in shape fixability and method of producing the same |
| 03/12/2008 | CN100374585C High tensile strength hot dip plated steel sheet and method for production thereof |
| 03/12/2008 | CN100374583C Method for producing Fe-Ni based alloy thin plate |
| 03/12/2008 | CN100374228C Steel hollow-head screw |
| 03/11/2008 | US7341795 Fe-Cr alloy structure with excellent corrosion resistance and excellent adhesion, and manufacturing method thereof |
| 03/11/2008 | US7341690 Heat resistance; automobile exhaust pipes; catalyst casing; ducts for power plants |
| 03/11/2008 | US7341689 Pre-alloyed iron based powder |
| 03/11/2008 | US7341637 Overcoating with solid lubricant; cold rolling |
| 03/06/2008 | WO2008026594A1 Martensitic stainless steel for welded structure |
| 03/06/2008 | WO2008026459A1 Pulley for continuously variable transmission |
| 03/06/2008 | WO2008025105A1 Hard alloys with dry composition |
| 03/06/2008 | WO2008025096A1 Thin cast strip with controlled manganese and low oxygen levels and method for making same |
| 03/06/2008 | US20080057281 alloy of iron cobalt which includes at least one element of Rh, Ru, Pt, Pd, Os, and Ir; thin film, such as for a write pole material in a magnetic media recording head |
| 03/06/2008 | US20080053580 Method for Production of Sheet of Austenitic Iron/Carbon/Manganese Steel and Sheets Produced Thus |
| 03/06/2008 | US20080053576 Press formability by regulating a retained austenite ratio and accelerates the formation of oxides by regulating a hydrogen concentration and a dew point in annealing before plating; automobile |
| 03/06/2008 | US20080053574 comprising carbon, nitrogen, silicon, manganese, chromium, molybdenum, tungsten, vanadium, niobium, sulfur, iron; microstructure which in hardened and tempered condition contains 6-13 vol% vanadium-rich carbides, nitrides, carbonitrides; tools for shearing (cutting), blanking (punching), threading |
| 03/06/2008 | US20080053274 Glass stability, glass forming ability, and microstructural refinement |
| 03/06/2008 | DE19909324B4 Hochzäher Stahl und Verfahren zur Herstellung desselben Of the same high-toughness steel and methods for making |
| 03/06/2008 | DE102006041146A1 Stahl und Verarbeitungsverfahren für die Herstellung von höherfesten bruchtrennbaren Maschinenbauteilen Steel and processing methods for the production of high-strength bruchtrennbaren machine parts |
| 03/06/2008 | CA2662054A1 Thin cast strip with controlled manganese and low oxygen levels and method for making same |
| 03/06/2008 | CA2661655A1 Martensitic stainless steel for welded structures |
| 03/05/2008 | EP1894641A1 Roll for rolling seamless pipes |
| 03/05/2008 | EP1641581A4 A method and apparatus for the production of metal compounds |
| 03/05/2008 | EP1563103B1 Method for making an abrasion resistant steel plate and steel plate obtained |
| 03/05/2008 | EP1516937B1 High-strength cold rolled steel sheet and process for producing the same |
| 03/05/2008 | EP1391528B1 Ferritic stainless steal and martensitic stainless steel both being excellent in machinability |
| 03/05/2008 | CN101135030A Weather-resistant hot rolled narrow steel strip and method for manufacturing same |
| 03/05/2008 | CN101135029A Yield strength 700MPa grade atmospheric corrosion resistant steel and method for manufacturing same |
| 03/05/2008 | CN101135028A High-strength stainless steel and thermal treatment process |
| 03/05/2008 | CN101135027A Gyratory breaker mortar rolled chemical composition control and thermal treatment process |
| 03/05/2008 | CN101135026A Vertical grinding hollow abrading-resistant ball chemical composition control and thermal treatment process |
| 03/05/2008 | CN101135025A Production of cold rolling high-strength ultra-deep-drawing steel plate by bell-type furnace and method for manufacturing same |
| 03/05/2008 | CN101135024A Full-hard aluminum-zinc coated steel sheet and method for producing same |
| 03/05/2008 | CN101135022A Cr-Mo alloyed steel round billet produced by arc continuous casting machine and technique thereof |
| 03/05/2008 | CN101134232A Technique for producing anticentripetal composite abrasion-proof hammer tools |
| 03/05/2008 | CN100372965C Steel for high temperature resistant anticorrosion heat insulating oil pipe and its manufacturing method |
| 03/05/2008 | CN100372964C Non-orientation electrical steel and its making process |