Patents for C22C 38 - Ferrous alloys, e.g. steel alloys (43,120)
09/2013
09/17/2013CA2617381C High-carbon steel wire rod of high ductility
09/17/2013CA2520022C High-strength hot-rolled steel sheet excellent in hole expandability and ductility and production method thereof
09/12/2013WO2013133944A1 Alloys for hardbanding weld overlays
09/12/2013WO2013133429A1 Ferritic stainless steel sheet
09/12/2013WO2013133295A1 Carbon tool steel strip
09/12/2013WO2013133270A1 Steel sheet for hot stamping, method for producing same, and hot-stamped steel material
09/12/2013WO2013133259A1 Ferrite-austenite 2-phase stainless steel plate having low in-plane anisotropy and method for producing same
09/12/2013WO2013133166A1 Steel sheet for hot pressing use, press-molded article, and method for producing press-molded article
09/12/2013WO2013133165A1 Steel sheet for hot pressing use, press-molded article, and method for producing press-molded article
09/12/2013WO2013133164A1 Process for producing press-formed product, and press-formed product
09/12/2013WO2013133137A1 Process for producing press-formed product and press-formed product
09/12/2013WO2013133076A1 Method for producing high-strength steel material having excellent sulfide stress cracking resistance
09/12/2013WO2013133070A1 Steel wire rod with excellent spring workability for high-strength spring, process for manufacturing same, and high-strength spring
09/12/2013WO2013132863A1 Seawater-resistant stainless clad steel
09/12/2013WO2013132838A1 Stainless clad steel
09/12/2013WO2013132829A1 Spring steel
09/12/2013WO2013132823A1 Warm press forming method and automobile frame component
09/12/2013WO2013132821A1 Warm press forming method and automobile frame component
09/12/2013WO2013132816A1 Steel sheet for hot pressing, manufacturing process therefor, and process for producing hot-pressed member using same
09/12/2013WO2013132796A1 High-strength cold-rolled steel sheet and process for manufacturing same
09/12/2013WO2013132780A1 Method for manufacturing alloy pieces and apparatus for sorting alloy pieces
09/12/2013WO2013131811A1 Heat-resistant bearing material made of an austenitic iron matrix alloy
09/12/2013WO2013131213A1 Non-oriented electrical steel sheet with fine magnetic performance, and calcium treatment method therefor
09/12/2013US20130236350 Highly formable high-strength steel sheet, warm working method, and warm-worked automobile part
09/12/2013US20130233453 High strength steel sheet having excellent formability and method for manufacturing the same
09/12/2013US20130233452 New Classes of Non-Stainless Steels with High Strength and High Ductility
09/12/2013DE112011103602T5 Weichmagnetisches Pulver, granuliertes Pulver, Pulverkern, elektromagnetisches Bauteil, und ein Verfahren zur Herstellung eines Pulverkerns Soft magnetic powder, granulated powder, dust core, electromagnetic component, and a method for producing a dust core
09/12/2013DE102012203569A1 Hitzebeständiger Lagerwerkstoff Heat-resistant bearing material
09/12/2013DE102012014948B3 Use of martensitic chromium steel with specified portion of carbon obtained by quench hardening in form of heat treatment and subsequent quenching without embroidering from ferritic steel material, for watches, watch parts and jewelry
09/12/2013CA2849287A1 Method for producing high-strength steel material excellent in sulfide stress cracking resistance
09/11/2013EP2636762A1 High-strength cold-rolled steel sheet having excellent deep-drawability and bake hardenability, and method for manufacturing same
09/11/2013EP2562272A9 Method for producing steel product having excellent mechanical properties, steel product produced with the method and its use
09/11/2013CN103299093A Sliding bearing and construction machine provided with same
09/11/2013CN103298965A Alloying element-saving hot rolled duplex stainless steel material, clad steel sheet having duplex stainless steel as mating material therefor, and production method for same
09/11/2013CN103298964A Martensitic stainless steel highly resistant to corrosion, and method for manufacturing same
09/11/2013CN103290409A Manufacturing method of mixer blade
09/11/2013CN103290405A Method for preparing high-speed steel coating by carrying out laser cladding on surface of spheroidal graphite cast iron
09/11/2013CN103290339A High-strength steel plate for 800MPa hydropower station pressure pipeline and production method thereof
09/11/2013CN103290338A Rare earth-containing seamless steel tube for L690Q pipeline and production method thereof
09/11/2013CN103290337A Corrosion-resistant steel for upper deck of cargo oil tank of crude oil tanker
09/11/2013CN103290336A Preparation method of wear-resistant cast pipe with high-temperature oxidation resistant corrosion-resistant layer
09/11/2013CN103290335A High-strength and high-corrosion-resistance steel plate material with yield strength of 900 MPa and production method thereof
09/11/2013CN103290334A Atmosphere corrosion resistance seamless steel tube containing rare earth and production method thereof
09/11/2013CN103290333A 蒸气涡轮转子 Steam turbine rotor
09/11/2013CN103290332A Wear-resistant metal pipeline with inner corrosion-resistant coating
09/11/2013CN103290331A High-strength and high-corrosion-resistance steel plate material with yield strength of 450 MPa and production method thereof
09/11/2013CN103290330A High-hardness casting titanium manganese iron alloy
09/11/2013CN103290329A High strength and toughness alloy cast steel bucket tooth of excavator and production technologies thereof
09/11/2013CN103290328A High-niobium, high-wear-resistance and high-toughness cold-work die steel
09/11/2013CN103290327A High-temperature-resistant high-performance alloyed fastener and manufacturing technique thereof
09/11/2013CN103290326A High-strength magnetoconductive steel plate and production method thereof
09/11/2013CN103290325A Perforating charge body powder metallurgy billet and cold extrusion forming process method
09/11/2013CN103290324A Fine-grain ferrite + pearlite type N80-1 non-quenched and tempered seamless oil bushing, and production method thereof
09/11/2013CN103290323A High-strength magnetoconductive steel plate and production method thereof
09/11/2013CN103290322A High-strength magnetoconductive steel plate and production method thereof
09/11/2013CN103290321A High-strength magnetoconductive steel plate and production method thereof
09/11/2013CN103290320A Hot rolling multiphase steel and production method thereof
09/11/2013CN103290319A Cold rolling plate for single layer Bundy tube and production method thereof
09/11/2013CN103290318A Wolfram carbide hard alloy and preparation method thereof
09/11/2013CN103290317A Super-strength cold-roll steel sheet with excellent bending machining property and manufacturing method thereof
09/11/2013CN103290316A Flexible manufacturing method of hot-rolled structural steel plate
09/11/2013CN103290315A High-strength magnetoconductive steel plate and production method thereof
09/11/2013CN103290314A High-strength magnetoconductive steel plate and production method thereof
09/11/2013CN103290313A High-strength magnetoconductive steel plate and production method thereof
09/11/2013CN103290312A Production method for increasing work hardening value of 440MPa-level carbon structural steel
09/11/2013CN103290311A Method for manufacturing civil high-grade anti-theft door plank
09/11/2013CN103290310A High strength cold rolled steel plate with low planar anisotropic yield strength, and manufacturing method thereof
09/11/2013CN103290309A High-strength cold-rolled steel plate with excellent chemical conversion treatability and preparation method thereof
09/11/2013CN103290308A High-strength cold-rolled steel plate and manufacturing method thereof
09/11/2013CN103290307A High-strength steel plate with excellent impact resistance and manufacturing method of same
09/11/2013CN103290306A Wear, corrosion and rust resistant metal pipeline
09/11/2013CN103290229A Method for optimizing X12CrMoWVNbN10-1-1 electroslag remelting slag system
09/11/2013CN103290202A Production method for improving yield ratio and bore expansion of 1000MPa-level high-strength steel
09/11/2013CN103290190A 无取向硅钢及其制造方法 Non-oriented silicon steel and its manufacturing method
09/11/2013CN103290189A X90Q medium thick-wall seamless steel tube and method for manufacturing same
09/11/2013CN103290187A Method for refining microstructure of low-carbon steel wire rods
09/11/2013CN103290186A Manufacturing method of corrosion-proof steel plate used for crude oil tanker cargo oil hold inner bottom plate and steel plate
09/11/2013CN103290184A Thermal processing method of chromium-containing ferrite refractory steel
09/11/2013CN103290182A Thermal treatment process of low-alloy steel casting
09/11/2013CN103286516A Composite repair covering for cavitation of flow passage part of hydraulic machine, and preparation method thereof
09/11/2013CN103286427A Method for welding Q500qE ultralow-carbon bainite steel for bridge
09/11/2013CN103286309A Hard metal used for drilling bit
09/11/2013CN103286127A Method for manufacturing anticorrosion steel plate for upper deck on crude oil tanker oil cargo tank and steel plate
09/11/2013CN102803540B High-strength Hot-dip Galvannealed Steel Shhet With Excellent Workability And Fatigue Characteristics And Process For Production Thereof
09/11/2013CN102741441B Steel wire with excellent cold forging characteristics and manufacturing process thereof
09/11/2013CN102628148B Acid-washing hot-rolled low-carbon steel without line defects on surface and production method thereof
09/11/2013CN102560277B Preparation method of steel bar with corrosion resistance used for natural gas transportation pipeline
09/11/2013CN102560052B Heat treatment method for steel pieces with high impact strength and application of steel pieces
09/11/2013CN102534422B Manufacturing method of corrosion-resistant steel tubes for natural gas conveying pipelines
09/11/2013CN102534421B Corrosion-resistant steel for natural gas transmission pipelines
09/11/2013CN102534413B Production method of corrosion-resistant steel pipe for high-pressure boiler
09/11/2013CN102534372B Preparation method of P110-grade expansion tube for exploiting petroleum and gas
09/11/2013CN102528016B Powdered alloy steel for metal injection molding and preparation method thereof
09/11/2013CN102482751B Thick steel plate for ship hull and process for production thereof
09/11/2013CN102414336B Ultra-thin steel sheet and process for production thereof
09/11/2013CN102317490B Carburized steel part
09/11/2013CN102137949B High-strength Zn-Al-plated steel wire for bridges which has excellent corrosion resistance and fatigue properties, and process for production thereof
09/11/2013CN101956142B Dual phase steel seamless pipe and processing method thereof
09/11/2013CN101845604B Al-contained heatproof ferrite series stainless steel for fuel cell and manufacturing method thereof
09/11/2013CN101107369B Method for producing hot-formed steel product
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