Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
12/2010
12/08/2010CN101423915B Reinforcement steel bar for medium-high strength hoop for rods for reinforcing concrete and method for producing the same
12/08/2010CN101421424B Process for producing steel material
12/08/2010CN101341036B Bead cord and vehicle tire
12/08/2010CN101333633B Low carbon bainite type Nb-V composite microalloying non-quenched and tempered steel and method for preparing same
12/08/2010CN101321883B Non-directional electromagnetic steel plate and manufacturing method thereof
12/08/2010CN101289723B Novel composite modifier for austenitic manganese steel
12/08/2010CN101254527B Method for producing low carbon bainite high-strength steel based on sheet bar continuous casting and rolling process flow
12/08/2010CN101248204B Steel alloy and tools or components manufactured out of the steel alloy
12/08/2010CN101238234B High-tension steel sheet and process for producing the same
12/08/2010CN101220443B Stainless steel weldless steel tube for ship and producing technique
12/08/2010CN101218363B Steel sheet for deep drawing having excellent secondary work embrittlement resistance, fatigue properties and plating properties, and method for manufacturing the same
12/08/2010CN101210297B Method for preparing tropism silicon steel
12/08/2010CN101208448B Hot-dip Sn-Zn system coated steel sheet
12/08/2010CN101184858B Cold rolled steel sheet having excellent formability and process for producing the same
12/08/2010CN101096974B Welding structural body
12/07/2010US7846276 metal working; stretching the temper rolled alloy comprising nickel and iron; increases the length by 4%; high dimensional stability
12/07/2010US7846275 cross section has a martensitic structure; free of titanium; metal working; high tensile strength with an excellent forming workability; low cost; use in reinforcing in a bumper, or a pillar of an automobile
12/07/2010US7846274 tensile strength; specified alloy of given microstructure; made by cold working, heating, hot working, quenching to provide bursting resistance; accumulator for an air bag
12/07/2010US7845918 Powder metal scrolls
12/07/2010CA2502207C High-strength stainless steel, container and hardware made of such steel
12/07/2010CA2351830C High strength steel plate having improved workability and plating adhesion and process for producing the same
12/02/2010WO2010137735A1 Iron-based mixed powder for powdery metallurgy
12/02/2010WO2010137619A1 High-strength molded article and process for production thereof
12/02/2010WO2010137607A1 Carburized component and manufacturing method therefor
12/02/2010WO2010137598A1 Hot rolled sheet steel having excellent formability, and method for producing same
12/02/2010WO2010137343A1 High strength steel sheet having excellent hydrogen embrittlement resistance
12/02/2010WO2010137333A1 Method for continuously casting steel, and refractory used in continuous casting of steel
12/02/2010WO2010137317A1 High-strength steel sheet, hot-dipped steel sheet, and alloy hot-dipped steel sheet that have excellent fatigue, elongation, and collision characteristics, and manufacturing method for said steel sheets
12/02/2010US20100300585 Low-density steel having good drawability
12/02/2010DE102009015008B3 Kolbenringe und Zylinderlaufbuchsen Piston rings and cylinder liners
12/02/2010CA2762898A1 Iron-based mixed powder for powder metallurgy
12/02/2010CA2759256A1 High-strength steel sheet, hot-dipped steel sheet, and alloy hot-dipped steel sheet that have excellent fatigue, elongation, and collision characteristics, and manufacturing method for said steel sheets
12/01/2010EP2256307A1 Roller follower, valve gear, apparatus for high-frequency hardening, method of heat-treating shaft member, process for producing shaft, and shaft
12/01/2010EP2256225A1 Stainless steel for use in oil well tube
12/01/2010EP2256224A1 High-strength galvanized steel sheet, high-strength alloyed hot-dip galvanized sheet, and high-strength cold-rolled steel sheet which excel in moldability and weldability, and manufacturing method for the same
12/01/2010EP2255021A2 Steel alloy for a low alloy steel for producing high-tensile seamless steel tubing
12/01/2010EP2164998B1 Hardened martensitic steel having a low or zero content of cobalt, process for manufacturing a part from this steel, and part thus obtained
12/01/2010EP2155916B1 Low density steel with good stamping capability
12/01/2010EP1786941B1 Highly resistant austenitic stainless steel
12/01/2010EP1149925B1 Sheet steel and method for producing sheet steel
12/01/2010CN101903556A Processes for producing high-strength hot-dip galvanized steel sheet and high-strength galvannealed steel sheet
12/01/2010CN101903554A Ferrite-austenite stainless steel sheet excellent in ridging resistance and workability and process for manufacturing the same
12/01/2010CN101903553A High-purity ferritic stainless steel excellent in corrosion resistance and workability and process for production of the same
12/01/2010CN101903552A Austenitic stainless steel for high vacuum and high purity gas tube application
12/01/2010CN101903551A Lean austenitic stainless steel containing stabilizing elements
12/01/2010CN101903550A Corrosion resistant steel for marine applications
12/01/2010CN101903549A Corrosion resistant lean austenitic stainless steel
12/01/2010CN101903548A Ferric stainless steel having excellent brazeability
12/01/2010CN101903547A Steel sheets and process for manufacturing the same
12/01/2010CN101899630A Quenching steel plate for engineering machinery with 900MPa-grade yield strength and production method thereof
12/01/2010CN101899629A Abrasion-resistant alloy cast steel and manufacturing equipment thereof
12/01/2010CN101899628A Abrasion-resistant alloy cast steel and manufacturing method thereof
12/01/2010CN101899627A Abrasion-resistant alloy cast steel and smelting and heat treatment processes
12/01/2010CN101899626A Wear-resistant alloy cast steel
12/01/2010CN101899625A Ferrite stainless steel and manufacturing method thereof
12/01/2010CN101899624A High-carbon low-alloy large size wearable forged mining steel ball and manufacture method thereof
12/01/2010CN101899623A Special impeller for high-pressure corrosion-resistant high-power mud pump
12/01/2010CN101899622A Alloy steel for high-pressure container and preparation method thereof
12/01/2010CN101899621A 3Cr seamless steel pipe and production method thereof
12/01/2010CN101899620A Production process of wear-resistant alloy steel lining board
12/01/2010CN101899619A High-strain hardening index hot-dip galvanized high-strength steel and production method thereof
12/01/2010CN101899618A X46 pipeline steel and preparation method thereof
12/01/2010CN101899617A X56 pipeline steel and production method thereof
12/01/2010CN101899616A Steel for 600MPa-grade high-strength engineering machines and production method thereof
12/01/2010CN101899615A High-tension steel with excellent low-temperature toughness at welding hot-effect section
12/01/2010CN101899614A Composite micro-alloying hot rolled steel plate containing V and Nb and preparation method thereof
12/01/2010CN101899613A Method for reducing surface cracks of medium carbon niobium-containing steel
12/01/2010CN101899612A Non-tempered steel pipe and preparation method thereof
12/01/2010CN101899611A Structural hot rolled steel plate and production method thereof
12/01/2010CN101899607A Smelting technology of wear-resistant alloy cast steel and equipment system thereof
12/01/2010CN101899606A Smelting device system of wear-resistant alloy cast steel
12/01/2010CN101899605A Smelting process of abrasion-resistant alloy cast steel
12/01/2010CN101899553A Heat treatment technology and device of wear-resistant alloy cast steel
12/01/2010CN101899552A Heat treatment equipment of antifriction alloy cast steel
12/01/2010CN101899551A Heat treatment technology of wear-resistant alloy cast steel
12/01/2010CN101684537B Weather resisting steel produced by strip casting and production method thereof
12/01/2010CN101602078B Method for manufacturing section steel with high strength and high toughness by using hot-rolling steel plate
12/01/2010CN101574706B Sub-half high-speed steel roller and heat treatment process thereof
12/01/2010CN101549356B A high-boron cast alloy roll and its manufacturing method
12/01/2010CN101503778B Preparation of giant magnetostriction alloy wire
12/01/2010CN101451216B Thick specification hot-rolled steel sheet for roll forming high intensity metal sheet pile and manufacturing technology
12/01/2010CN101440461B Casinghead gas corrosion resistant pumping rod steel and manufacturing method thereof
12/01/2010CN101418416B Low welding crack sensitivity steel plate with yield strength of 800MPa grade and method for producing the same
12/01/2010CN101397636B High toughness ring chain steel for mine and method for producing the same
12/01/2010CN101397635B 12Cr2Mo1R thick steel plate for equipment contacting hydrogen and method for producing the same
12/01/2010CN101381842B High chromium content ferrite stainless steel and manufacturing method thereof
12/01/2010CN101358319B Low carbonaceous steel plate for 610MPa grade high strength pressure vessels and production method thereof
12/01/2010CN101358273B Method for producing low-temperature oriented electrical steels
12/01/2010CN101348851B Method for producing common oriented electrical steel by low temperature casting blank heating
12/01/2010CN101343716B Low alloy cast steel
12/01/2010CN101314831B Steel plate with excellent weariness fissure advance inhibition character and brittle break inhibition character
12/01/2010CN101298646B Aluminum-niobium composite iron-chromium-cobalt permanent magnetic alloy and deformation processing technique
12/01/2010CN101289727B Low yield ratio and high tension steel plate with welding heat effect part and mother plate having excellent low temperature toughness and manufacture method
12/01/2010CN101255528B Niobium-containing steel plate with excellent ultralow-temperature flexibility and rolling method thereof
12/01/2010CN101215673B Economical high-performance diphase stainless steel alloy material and preparation method thereof
12/01/2010CN101205596B Manufacture technique of X120 pipeline steel submerged arc straight weld pipe
12/01/2010CN101121996B Outer layer material used for centrifugal roller
12/01/2010CA2705894A1 Galvanized weathering steel
11/2010
11/30/2010US7842639 Mechanical alloying of a hydrogenation catalyst used for the remediation of contaminated compounds
11/30/2010US7842141 0.05% or less C; 0.5% or less Si; 0.20% to 1.80% Mn; 0.03% or less P; 0.005% or less S; 14.0% to 18.0% Cr; 5.0% to 8.0% Ni; 1.5% to 3.5% Mo; 0.5% to 3.5% of Cu; 0.05% or less Al; 0.20% or less V; 0.01% to 0.15% oN2; and 0.006% or less O2 on a mass basis; corrosion resistance; heating, quanching, cooling